Launchpad has imported 39 comments from the remote bug at https://bugzilla.redhat.com/show_bug.cgi?id=786609.
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Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2012-02-01T22:03:04+00:00 Mat wrote: libreport version: 2.0.8 abrt_version: 2.0.7 cmdline: BOOT_IMAGE=/vmlinuz-3.2.2-1.fc16.x86_64 root=/dev/mapper/vg_sd-lv_root ro rd.md=0 rd.dm=0 quiet SYSFONT=latarcyrheb-sun16 rhgb KEYTABLE=uk rd.luks=0 rd.lvm.lv=vg_sd/lv_swap rd.lvm.lv=vg_sd/lv_root LANG=en_US.UTF-8 kernel: 3.2.2-1.fc16.x86_64 reason: WARNING: at /builddir/build/BUILD/kernel-3.2.fc16/compat-wireless-3.3-rc1-2/include/net/mac80211.h:3618 rate_control_send_low+0x23e/0x250 [mac80211]() time: Tue 31 Jan 2012 22:53:53 GMT backtrace: :WARNING: at /builddir/build/BUILD/kernel-3.2.fc16/compat-wireless-3.3-rc1-2/include/net/mac80211.h:3618 rate_control_send_low+0x23e/0x250 [mac80211]() :Hardware name: F3Sr :Modules linked in: ppdev parport_pc lp parport fuse lockd ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack uvcvideo videodev media v4l2_compat_ioctl32 snd_hda_codec_si3054 microcode snd_hda_codec_realtek snd_hda_intel arc4 snd_hda_codec snd_hwdep snd_seq snd_seq_device joydev r852 snd_pcm sm_common nand nand_ids r592 mtd memstick nand_ecc iwl3945(O) iTCO_wdt iwlegacy(O) iTCO_vendor_support serio_raw mac80211(O) cfg80211(O) snd_timer asus_laptop snd soundcore sparse_keymap rfkill snd_page_alloc atl1 input_polldev mii uinput sunrpc firewire_ohci sdhci_pci sdhci firewire_core crc_itu_t mmc_core video radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan] :Pid: 3167, comm: kworker/u:50 Tainted: G O 3.2.2-1.fc16.x86_64 #1 :Call Trace: : [<ffffffff8106dd1f>] warn_slowpath_common+0x7f/0xc0 : [<ffffffff8106dd7a>] warn_slowpath_null+0x1a/0x20 : [<ffffffffa027372e>] rate_control_send_low+0x23e/0x250 [mac80211] : [<ffffffffa02f0b72>] il3945_rs_get_rate+0x42/0x4a0 [iwl3945] : [<ffffffffa02eb396>] ? il3945_mac_tx+0x5c6/0x8e0 [iwl3945] : [<ffffffffa0273aa6>] rate_control_get_rate+0x96/0x170 [mac80211] : [<ffffffffa027f89f>] invoke_tx_handlers+0x6ff/0x13e0 [mac80211] : [<ffffffff8116364c>] ? ksize+0x1c/0xc0 : [<ffffffffa025edac>] ? sta_info_get+0x6c/0x80 [mac80211] : [<ffffffffa02806d0>] ieee80211_tx+0x60/0xc0 [mac80211] : [<ffffffffa02807b1>] ieee80211_xmit+0x81/0xd0 [mac80211] : [<ffffffffa02817bf>] ieee80211_tx_skb_tid+0x5f/0x70 [mac80211] : [<ffffffffa02858ff>] ieee80211_send_probe_req+0x4f/0x70 [mac80211] : [<ffffffffa026acbf>] ieee80211_mgd_probe_ap_send+0xdf/0x100 [mac80211] : [<ffffffff815e05cd>] ? mutex_lock+0x1d/0x50 : [<ffffffffa026d890>] ieee80211_sta_work+0x90/0x150 [mac80211] : [<ffffffffa0271338>] ieee80211_iface_work+0x2b8/0x350 [mac80211] : [<ffffffffa0271080>] ? ieee80211_teardown_sdata+0xe0/0xe0 [mac80211] : [<ffffffff81089dad>] process_one_work+0x11d/0x470 : [<ffffffff8108b1af>] worker_thread+0x15f/0x350 : [<ffffffff8108b050>] ? manage_workers+0x230/0x230 : [<ffffffff8108fb6c>] kthread+0x8c/0xa0 : [<ffffffff815eb934>] kernel_thread_helper+0x4/0x10 : [<ffffffff8108fae0>] ? kthread_worker_fn+0x190/0x190 : [<ffffffff815eb930>] ? gs_change+0x13/0x13 smolt_data: : : :General :================================= :UUID: 302c32f3-8bc4-4089-85f1-57b729c25b1f :OS: Fedora release 16 (Verne) :Default run level: Unknown :Language: en_GB.utf8 :Platform: x86_64 :BogoMIPS: 3990.50 :CPU Vendor: GenuineIntel :CPU Model: Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz :CPU Stepping: 13 :CPU Family: 6 :CPU Model Num: 15 :Number of CPUs: 2 :CPU Speed: 2001 :System Memory: 2004 :System Swap: 4031 :Vendor: ASUSTeK Computer Inc. :System: F3Sr 1.0 :Form factor: Notebook :Kernel: 3.2.2-1.fc16.x86_64 :SELinux Enabled: 1 :SELinux Policy: targeted :SELinux Enforce: Permissive :MythTV Remote: Unknown :MythTV Role: Unknown :MythTV Theme: Unknown :MythTV Plugin: :MythTV Tuner: -1 : : :Devices :================================= :(32902:17486:32902:17486) pci, None, MEMORY, Turbo Memory Controller :(32902:10752:4163:5942) pci, None, HOST/PCI, Mobile PM965/GM965/GL960 Memory Controller Hub :(32902:10753:32902:10753) pci, pcieport, PCI/PCI, Mobile PM965/GM965/GL960 PCI Express Root Port :(6523:9056:4163:5942) pci, ahci, STORAGE, JMB360 AHCI Controller :(32902:10281:4163:5942) pci, ahci, STORAGE, 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller :(32902:10320:4163:5942) pci, ata_piix, STORAGE, 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller :(32902:10261:4163:5942) pci, None, PCI/ISA, 82801HEM (ICH8M) LPC Interface Controller :(6505:4168:4163:5349) pci, atl1, ETHERNET, L1 Gigabit Ethernet :(32902:10289:4163:5942) pci, uhci_hcd, USB, 82801H (ICH8 Family) USB UHCI Controller #2 :(32902:9288:4163:5942) pci, None, PCI/PCI, 82801 Mobile PCI Bridge :(32902:10290:4163:5942) pci, uhci_hcd, USB, 82801H (ICH8 Family) USB UHCI Controller #3 :(32902:10294:4163:5942) pci, ehci_hcd, USB, 82801H (ICH8 Family) USB2 EHCI Controller #1 :(32902:10298:4163:5942) pci, ehci_hcd, USB, 82801H (ICH8 Family) USB2 EHCI Controller #2 :(4480:2130:4163:5942) pci, r852, BASE, xD-Picture Card Controller :(32902:16930:32902:4096) pci, iwl3945, NETWORK, PRO/Wireless 3945ABG Network Connection :(32902:10307:4163:5942) pci, pcieport, PCI/PCI, 82801H (ICH8 Family) PCI Express Port 3 :(32902:10309:4163:5942) pci, pcieport, PCI/PCI, 82801H (ICH8 Family) PCI Express Port 4 :(32902:10303:4163:5942) pci, pcieport, PCI/PCI, 82801H (ICH8 Family) PCI Express Port 1 :(32902:10305:4163:5942) pci, pcieport, PCI/PCI, 82801H (ICH8 Family) PCI Express Port 2 :(4480:2098:4163:5942) pci, firewire_ohci, FIREWIRE, R5C832 IEEE 1394 Controller :(4480:2082:4163:5942) pci, sdhci-pci, BASE, R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter :(32902:10311:4163:5942) pci, pcieport, PCI/PCI, 82801H (ICH8 Family) PCI Express Port 5 :(32902:10315:4163:4921) pci, snd_hda_intel, MULTIMEDIA, Asus M51S series :(32902:10292:4163:5942) pci, uhci_hcd, USB, 82801H (ICH8 Family) USB UHCI Controller #4 :(4480:1426:4163:5942) pci, r592, BASE, R5C592 Memory Stick Bus Host Adapter :(32902:10288:4163:5942) pci, uhci_hcd, USB, 82801H (ICH8 Family) USB UHCI Controller #1 :(4098:38089:4163:5554) pci, radeon, VIDEO, Mobility Radeon HD 2400 :(32902:10313:4163:5942) pci, pcieport, PCI/PCI, 82801H (ICH8 Family) PCI Express Port 6 :(32902:10293:4163:5942) pci, uhci_hcd, USB, 82801H (ICH8 Family) USB UHCI Controller #5 : : :Filesystem Information :================================= :device mtpt type bsize frsize blocks bfree bavail file ffree favail :------------------------------------------------------------------- :/dev/mapper/vg_sd-lv_root / ext4 4096 4096 18343984 13125583 12206851 4595712 4394652 4394652 :/dev/sda2 /boot ext4 1024 1024 508745 410636 385036 128016 127788 127788 : Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/3 ------------------------------------------------------------------------ On 2012-02-02T15:03:01+00:00 John wrote: *** This bug has been marked as a duplicate of bug 771094 *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/4 ------------------------------------------------------------------------ On 2012-02-02T15:15:35+00:00 Stanislaw wrote: Unfortunately this one is not a duplicate, it is from compat-wireless 3.3-rc1 which have fix from bug 771094 applied. I think in 3.3 mac80211 can be some changes that cause we mess up with operating channel. Mat, can you recreate the problem, if so, can you tell us what to do to hit this warning? Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/5 ------------------------------------------------------------------------ On 2012-02-03T11:14:43+00:00 Stanislaw wrote: Would be great if you could tell us how to reproduce this problem. If it is not reproducible, what you do when this warning was triggered? Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/6 ------------------------------------------------------------------------ On 2012-02-06T13:54:36+00:00 Dave wrote: *** Bug 787309 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/7 ------------------------------------------------------------------------ On 2012-02-06T19:30:09+00:00 Mat wrote: I'm afraid I don't how to reproduce this, I was using my laptop normally -- browsing the web probably. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/8 ------------------------------------------------------------------------ On 2012-02-07T07:52:14+00:00 Stanislaw wrote: So we have not reproducible problem, I hate such bugs. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/9 ------------------------------------------------------------------------ On 2012-02-07T08:00:45+00:00 Andy wrote: If it's any help, I've only encountered it in a single wireless network, nearly always with a weak connection. WPA2 enterprise security, tunneled TLS, and MSCHAPv2 authentication. (In reply to comment #6) > So we have not reproducible problem, I hate such bugs. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/10 ------------------------------------------------------------------------ On 2012-02-07T08:03:25+00:00 Stanislaw wrote: Thanks, that good hint. Can you still hit the problem if use swcrypto=1 module option? Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/11 ------------------------------------------------------------------------ On 2012-02-10T15:56:02+00:00 Andy wrote: Could you explain how to use that option? (In reply to comment #8) > Thanks, that good hint. Can you still hit the problem if use swcrypto=1 module > option? Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/12 ------------------------------------------------------------------------ On 2012-02-10T16:14:20+00:00 Stanislaw wrote: It can be configured in /etc/modprobe.d echo "options iwlwifi swcrypto=1" >> /etc/modprobe.d/iwlwifi.conf Until now, it will be used every time iwlwifi module is used, so make it take a effect, you need to restart module: modprobe -r iwlwifi modprobe iwlwifi Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/13 ------------------------------------------------------------------------ On 2012-02-12T22:39:41+00:00 Dave wrote: *** Bug 789235 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/14 ------------------------------------------------------------------------ On 2012-02-13T20:28:33+00:00 Andy wrote: It appears that this may have solved the problem. I haven't experienced the crash or connection dropping yet. (In reply to comment #10) > It can be configured in /etc/modprobe.d > > echo "options iwlwifi swcrypto=1" >> /etc/modprobe.d/iwlwifi.conf > > Until now, it will be used every time iwlwifi module is used, so make it take > a > effect, you need to restart module: > > modprobe -r iwlwifi > modprobe iwlwifi Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/15 ------------------------------------------------------------------------ On 2012-02-14T22:31:53+00:00 Dave wrote: *** Bug 790588 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/16 ------------------------------------------------------------------------ On 2012-02-17T14:53:27+00:00 Josh wrote: *** Bug 794758 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/17 ------------------------------------------------------------------------ On 2012-02-20T19:57:39+00:00 Andy wrote: Turns out I was wrong, I'm still getting this bug: abrt_version: 2.0.7 cmdline: BOOT_IMAGE=/vmlinuz-3.2.6-3.fc16.x86_64 root=UUID=b0544ae6-afc1-4f10-a33e-7ec463ac3cc8 ro rd.md=0 rd.lvm=0 rd.dm=0 KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 LANG=en_US.UTF-8 kernel: 3.2.6-3.fc16.x86_64 reason: WARNING: at /builddir/build/BUILD/kernel-3.2.fc16/compat-wireless-3.3-rc1-2/include/net/mac80211.h:3618 rate_control_send_low+0x23e/0x250 [mac80211]() time: Sun 19 Feb 2012 05:56:29 PM CST backtrace: :WARNING: at /builddir/build/BUILD/kernel-3.2.fc16/compat-wireless-3.3-rc1-2/include/net/mac80211.h:3618 rate_control_send_low+0x23e/0x250 [mac80211]() :Hardware name: 2516CTO :Modules linked in: usb_storage ppdev parport_pc lp parport fuse 8021q garp stp llc fcoe lockd libfcoe libfc scsi_transport_fc scsi_tgt be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad rfcomm ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bnep input_polldev sunrpc btusb bluetooth binfmt_misc arc4 snd_hda_codec_hdmi uvcvideo videodev media v4l2_compat_ioctl32 snd_hda_codec_conexant iwlwifi mac80211 snd_hda_intel cfg80211 snd_hda_codec thinkpad_acpi snd_hwdep rfkill snd_seq snd_seq_device intel_ips snd_pcm i2c_i801 joydev microcode iTCO_wdt iTCO_vendor_support tpm_tis tpm tpm_bios snd_timer snd e1000e soundcore snd_page_alloc uinput sdhci_pci pata_acpi firewire_ohci sdhci ata_generic mxm_wmi mmc_core firewire_core crc_itu_t pata_jmicron wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] :Pid: 3, comm: ksoftirqd/0 Not tainted 3.2.6-3.fc16.x86_64 #1 :Call Trace: : [<ffffffff8106dd4f>] warn_slowpath_common+0x7f/0xc0 : [<ffffffff8106ddaa>] warn_slowpath_null+0x1a/0x20 : [<ffffffffa02d444e>] rate_control_send_low+0x23e/0x250 [mac80211] : [<ffffffffa034ad15>] rs_get_rate+0x65/0x1d0 [iwlwifi] : [<ffffffffa02d47c6>] rate_control_get_rate+0x96/0x170 [mac80211] : [<ffffffffa02e059f>] invoke_tx_handlers+0x6ff/0x13e0 [mac80211] : [<ffffffffa02bfdac>] ? sta_info_get+0x6c/0x80 [mac80211] : [<ffffffffa02e13d0>] ieee80211_tx+0x60/0xc0 [mac80211] : [<ffffffffa02e2352>] ieee80211_tx_pending+0x162/0x270 [mac80211] : [<ffffffff8105b51d>] ? set_next_entity+0xad/0xd0 : [<ffffffff81074d18>] tasklet_action+0x78/0x140 : [<ffffffff81075378>] __do_softirq+0xb8/0x230 : [<ffffffff810755aa>] run_ksoftirqd+0xba/0x170 : [<ffffffff810754f0>] ? __do_softirq+0x230/0x230 : [<ffffffff8108fb9c>] kthread+0x8c/0xa0 : [<ffffffff815ebaf4>] kernel_thread_helper+0x4/0x10 : [<ffffffff8108fb10>] ? kthread_worker_fn+0x190/0x190 : [<ffffffff815ebaf0>] ? gs_change+0x13/0x13 smolt_data: : : :General :================================= :UUID: 0947c899-ef1f-48c7-9495-5689c2fcdc94 :OS: Fedora release 16 (Verne) :Default run level: Unknown :Language: en_US.UTF-8 :Platform: x86_64 :BogoMIPS: 5319.85 :CPU Vendor: GenuineIntel :CPU Model: Intel(R) Core(TM) i5 CPU M 560 @ 2.67GHz :CPU Stepping: 5 :CPU Family: 6 :CPU Model Num: 37 :Number of CPUs: 4 :CPU Speed: 2667 :System Memory: 7783 :System Swap: 7511 :Vendor: LENOVO :System: 2516CTO ThinkPad T410 :Form factor: Notebook :Kernel: 3.2.6-3.fc16.x86_64 :SELinux Enabled: 0 :SELinux Policy: targeted :SELinux Enforce: Unknown :MythTV Remote: Unknown :MythTV Role: Unknown :MythTV Theme: Unknown :MythTV Plugin: :MythTV Tuner: -1 : : :Devices :================================= :(4480:59426:6058:8499) pci, sdhci-pci, BASE, MMC/SD Host Controller :(4480:57904:6058:8500) pci, None, BASE, Memory Stick Host Controller :(4480:59442:6058:8502) pci, firewire_ohci, FIREWIRE, FireWire Host Controller :(32902:11362:6058:8598) pci, None, HOST/PCI, Core Processor QuickPath Architecture Generic Non-core Registers :(32902:11521:6058:8598) pci, None, HOST/PCI, Core Processor QuickPath Architecture System Address Decoder :(32902:68:6058:8595) pci, agpgart-intel, HOST/PCI, Core Processor DRAM Controller :(32902:11536:6058:8598) pci, None, HOST/PCI, Core Processor QPI Link 0 :(32902:11537:6058:8598) pci, None, HOST/PCI, Core Processor QPI Physical 0 :(32902:11538:6058:8598) pci, None, HOST/PCI, Core Processor Reserved :(32902:11539:6058:8598) pci, None, HOST/PCI, Core Processor Reserved :(32902:15152:6058:8551) pci, i801_smbus, SERIAL, 5 Series/3400 Series Chipset SMBus Controller :(32902:15151:6058:8552) pci, ahci, STORAGE, 5 Series/3400 Series Chipset 6 port SATA AHCI Controller :(32902:15111:6058:8550) pci, None, PCI/ISA, Mobile 5 Series Chipset LPC Interface Controller :(32902:15154:6058:8592) pci, intel ips, NONE, 5 Series/3400 Series Chipset Thermal Subsystem :(32902:4330:6058:8531) pci, e1000e, ETHERNET, 82577LM Gigabit Network Connection :(32902:9288:6058:8549) pci, None, PCI/PCI, 82801 Mobile PCI Bridge :(32902:15164:6058:8547) pci, ehci_hcd, USB, 5 Series/3400 Series Chipset USB2 Enhanced Host Controller :(32902:15156:6058:8547) pci, ehci_hcd, USB, 5 Series/3400 Series Chipset USB2 Enhanced Host Controller :(32902:15204:6058:8543) pci, None, SIMPLE, 5 Series/3400 Series Chipset HECI Controller :(32902:16952:32902:4369) pci, iwlwifi, NETWORK, Centrino Ultimate-N 6300 3x3 AGN :(32902:70:6058:8662) pci, i915, VIDEO, Core Processor Integrated Graphics Controller :(32902:15176:6058:8548) pci, pcieport, PCI/PCI, 5 Series/3400 Series Chipset PCI Express Root Port 4 :(32902:15170:6058:8548) pci, pcieport, PCI/PCI, 5 Series/3400 Series Chipset PCI Express Root Port 1 :(32902:15172:6058:8548) pci, pcieport, PCI/PCI, 5 Series/3400 Series Chipset PCI Express Root Port 2 :(32902:15178:6058:8548) pci, pcieport, PCI/PCI, 5 Series/3400 Series Chipset PCI Express Root Port 5 :(32902:15190:6058:8542) pci, snd_hda_intel, MULTIMEDIA, 5 Series/3400 Series Chipset High Definition Audio :(6523:9059:6523:9059) pci, pata_jmicron, STORAGE, JMB362/JMB363 Serial ATA Controller :(6523:9059:6523:9059) pci, ahci, STORAGE, JMB362/JMB363 Serial ATA Controller : : :Filesystem Information :================================= :device mtpt type bsize frsize blocks bfree bavail file ffree favail :------------------------------------------------------------------- :/dev/sdb1 / ext4 4096 4096 2617554 774679 748472 655360 372697 372697 :/dev/sdb3 /home ext4 4096 4096 8636917 3263448 3263448 2166640 2016792 2016792 :/dev/sda4 WITHHELD ext3 4096 4096 104780664 3529908 3529908 26615808 26572705 26572705 :/dev/sda1 /boot ext4 1024 1024 517957 418668 392608 130560 130323 130323 :/dev/sda5 /var ext4 4096 4096 1568149 1276382 1197752 393216 380601 380601 : END: Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/18 ------------------------------------------------------------------------ On 2012-02-23T21:59:19+00:00 Dave wrote: *** Bug 794903 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/19 ------------------------------------------------------------------------ On 2012-02-23T21:59:24+00:00 Dave wrote: *** Bug 796864 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/20 ------------------------------------------------------------------------ On 2012-02-24T00:11:50+00:00 Bradley wrote: My ticket (Bug 796864) was marked a duplicate of this, so I'll make my comments here: I experience this problem on the MIT network, which I believe is 802.11n. No trouble on my FIOS wireless access point (a westrell A90-9100EM15-10 which apparently is 802.11b/g. This on a thinkpad x220s with the centrino 6205 agn wireless card. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/21 ------------------------------------------------------------------------ On 2012-02-25T12:51:53+00:00 Josh wrote: *** Bug 797340 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/22 ------------------------------------------------------------------------ On 2012-02-25T12:52:01+00:00 Josh wrote: *** Bug 797301 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/23 ------------------------------------------------------------------------ On 2012-02-27T14:26:35+00:00 Josh wrote: *** Bug 797902 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/24 ------------------------------------------------------------------------ On 2012-03-02T16:58:46+00:00 Josh wrote: *** Bug 799355 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/25 ------------------------------------------------------------------------ On 2012-03-03T20:06:50+00:00 David wrote: I installed celestia-1.6.0-2.fc15 (64-bit) and as soon as it started downloading the error message showed Package: kernel OS Release: Fedora release 16 (Verne) Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/26 ------------------------------------------------------------------------ On 2012-03-05T18:53:45+00:00 Josh wrote: *** Bug 800097 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/27 ------------------------------------------------------------------------ On 2012-03-08T16:49:19+00:00 Dave wrote: *** Bug 801489 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/28 ------------------------------------------------------------------------ On 2012-03-08T17:15:20+00:00 Dave wrote: *** Bug 801498 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/29 ------------------------------------------------------------------------ On 2012-03-22T16:40:54+00:00 Dave wrote: [mass update] kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository. Please retest with this update. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/33 ------------------------------------------------------------------------ On 2012-03-22T16:45:48+00:00 Dave wrote: [mass update] kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository. Please retest with this update. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/34 ------------------------------------------------------------------------ On 2012-03-22T16:54:56+00:00 Dave wrote: [mass update] kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository. Please retest with this update. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/35 ------------------------------------------------------------------------ On 2012-03-22T18:47:36+00:00 Bradley wrote: I've been running for several hours on the MIT network and it seems good. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/36 ------------------------------------------------------------------------ On 2012-03-26T15:00:28+00:00 Dave wrote: *** Bug 802148 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/38 ------------------------------------------------------------------------ On 2012-04-04T13:35:54+00:00 Stanislaw wrote: This is apparently not fixed. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/39 ------------------------------------------------------------------------ On 2012-04-20T10:30:29+00:00 Petr wrote: I'm hitting the same error on 3.3.1-5.fc16.x86_64 (Fedora 16) and on several kernels before too. I'm connected using WPA2 Enterprise / PEAP / MSCHAPv2. I have troubles with frequent roaming between two AP while signal is strong from both. Connection sometimes stops working while trying to roam between APs. Don't know, if this two problems are related. I've never had this problem while connected to single AP with WPA2 personal with good quality signal. [94624.698868] wlan0: associate with 00:19:77:69:df:91 (try 1) [94624.701543] wlan0: RX ReassocResp from 00:19:77:69:df:91 (capab=0x431 status=0 aid=4) [94624.701552] wlan0: associated [94624.701560] wlan0: moving STA 00:19:77:69:df:91 to state 1 [94624.701564] wlan0: moving STA 00:19:77:69:df:91 to state 2 [94624.701570] wlan0: No basic rates in AssocResp. Using min supported rate instead. [94625.627865] wlan0: moving STA 00:19:77:69:df:91 to state 3 [94633.471236] wlan0: authenticate with 00:19:77:69:df:a1 (try 1) [94633.670804] wlan0: authenticate with 00:19:77:69:df:a1 (try 2) [94633.870789] wlan0: authenticate with 00:19:77:69:df:a1 (try 3) [94633.951070] ------------[ cut here ]------------ [94633.951124] WARNING: at include/net/mac80211.h:3614 rate_control_send_low+0x23e/0x250 [mac80211]() [94633.951130] Hardware name: 4236MBG [94633.951133] Modules linked in: mmc_block nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_proto_gre nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp nls_utf8 vfat fat usb_storage tcp_lp ppdev parport_pc lp parport fuse ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge 8021q garp lockd tpm_bios stp llc ip6t_REJECT nf_conntrack_ipv6 nf_conntrack_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 xt_state ip6table_filter nf_conntrack ip6_tables snd_hda_codec_hdmi snd_hda_codec_conexant uvcvideo videobuf2_core videodev media vhost_net macvtap macvlan tun virtio_net snd_hda_intel videobuf2_vmalloc snd_hda_codec snd_hwdep videobuf2_memops snd_seq kvm_intel arc4 kvm snd_seq_device iwlwifi snd_pcm snd_timer mac80211 snd_page_alloc microcode iTCO_wdt uinput iTCO_vendor_support e1000e wmi cfg80211 thinkpad_acpi snd rfkill soundcore i2c_i801 sunrpc xts gf128mul dm_crypt sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [94633.951312] Pid: 3, comm: ksoftirqd/0 Not tainted 3.3.1-5.fc16.x86_64 #1 [94633.951318] Call Trace: [94633.951339] [<ffffffff8105798f>] warn_slowpath_common+0x7f/0xc0 [94633.951350] [<ffffffff810579ea>] warn_slowpath_null+0x1a/0x20 [94633.951385] [<ffffffffa024f78e>] rate_control_send_low+0x23e/0x250 [mac80211] [94633.951415] [<ffffffffa02d3fe9>] rs_get_rate+0x99/0x310 [iwlwifi] [94633.951451] [<ffffffffa024fbae>] rate_control_get_rate+0xae/0x180 [mac80211] [94633.951493] [<ffffffffa025ba0f>] invoke_tx_handlers+0x7cf/0x1400 [mac80211] [94633.951527] [<ffffffffa023ad5c>] ? sta_info_get+0x6c/0x80 [mac80211] [94633.951557] [<ffffffffa025c790>] ieee80211_tx+0x60/0xc0 [mac80211] [94633.951585] [<ffffffffa025d942>] ieee80211_tx_pending+0x162/0x270 [mac80211] [94633.951594] [<ffffffff8105e958>] tasklet_action+0x78/0x140 [94633.951601] [<ffffffff8105efb8>] __do_softirq+0xb8/0x230 [94633.951608] [<ffffffff8105f1ea>] run_ksoftirqd+0xba/0x170 [94633.951614] [<ffffffff8105f130>] ? __do_softirq+0x230/0x230 [94633.951623] [<ffffffff81079af3>] kthread+0x93/0xa0 [94633.951633] [<ffffffff815fd424>] kernel_thread_helper+0x4/0x10 [94633.951641] [<ffffffff81079a60>] ? kthread_freezable_should_stop+0x70/0x70 [94633.951649] [<ffffffff815fd420>] ? gs_change+0x13/0x13 [94633.951654] ---[ end trace 00b42167ea90abcb ]--- [94633.952938] wlan0: moving STA 00:19:77:69:df:91 to state 2 [94633.952943] wlan0: moving STA 00:19:77:69:df:91 to state 1 [94633.952948] wlan0: moving STA 00:19:77:69:df:91 to state 0 [94633.953329] cfg80211: Calling CRDA to update world regulatory domain Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/40 ------------------------------------------------------------------------ On 2012-05-04T16:40:58+00:00 Orion wrote: Me too. [283329.284514] wlan0: direct probe to 00:14:d1:aa:d3:44 (try 1/3) [283329.284548] ------------[ cut here ]------------ [283329.284618] WARNING: at include/net/mac80211.h:3614 rate_control_send_low+0x23e/0x250 [mac80211]() [283329.284625] Hardware name: LifeBook S6510 [283329.284629] Modules linked in: des_generic rpcsec_gss_krb5 nfs fscache auth_rpcgss nfs_acl tpm_infineon lockd be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_codec_realtek snd_hda_intel snd_hda_codec vhost_net macvtap macvlan snd_usb_audio tun virtio_net uvcvideo snd_seq snd_pcm tpm_tis arc4 videobuf2_core videodev iwl4965 kvm_intel kvm ppdev snd_hwdep snd_usbmidi_lib snd_rawmidi tpm iwlegacy snd_timer snd_seq_device media videobuf2_vmalloc parport_pc tpm_bios videobuf2_memops iTCO_wdt parport serio_raw i2c_i801 joydev uinput apanel sky2 snd iTCO_vendor_support fujitsu_laptop input_polldev binfmt_misc microcode irda soundcore crc_ccitt mac80211 cfg80211 rfkill snd_page_alloc sunrpc firewire_ohci sdhci_pci sdhci firewire_core crc_itu_t yenta_socket mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [283329.284789] Pid: 13093, comm: kworker/u:1 Not tainted 3.3.2-6.fc16.x86_64 #1 [283329.284795] Call Trace: [283329.284812] [<ffffffff81057abf>] warn_slowpath_common+0x7f/0xc0 [283329.284822] [<ffffffff81057b1a>] warn_slowpath_null+0x1a/0x20 [283329.284856] [<ffffffffa01d378e>] rate_control_send_low+0x23e/0x250 [mac80211] [283329.284878] [<ffffffffa03ff285>] il4965_rs_get_rate+0xe5/0x2e0 [iwl4965] [283329.284914] [<ffffffffa01d3bae>] rate_control_get_rate+0xae/0x180 [mac80211] [283329.284952] [<ffffffffa01dfa0f>] invoke_tx_handlers+0x7cf/0x1400 [mac80211] [283329.284981] [<ffffffffa01bed5c>] ? sta_info_get+0x6c/0x80 [mac80211] [283329.285019] [<ffffffffa01e0790>] ieee80211_tx+0x60/0xc0 [mac80211] [283329.285089] [<ffffffffa01e0871>] ieee80211_xmit+0x81/0xd0 [mac80211] [283329.285129] [<ffffffffa01e1aaf>] ieee80211_tx_skb_tid+0x5f/0x70 [mac80211] [283329.285164] [<ffffffffa01cac0b>] ieee80211_send_nullfunc+0x5b/0x70 [mac80211] [283329.285201] [<ffffffffa01cac82>] ieee80211_mgd_probe_ap_send+0x62/0x100 [mac80211] [283329.285216] [<ffffffff815f1e8d>] ? mutex_lock+0x1d/0x50 [283329.285253] [<ffffffffa01cd8e0>] ieee80211_sta_work+0x90/0x150 [mac80211] [283329.285289] [<ffffffffa01d13b8>] ieee80211_iface_work+0x2b8/0x350 [mac80211] [283329.285327] [<ffffffffa01d1100>] ? ieee80211_teardown_sdata+0xe0/0xe0 [mac80211] [283329.285340] [<ffffffff810747ae>] process_one_work+0x11e/0x470 [283329.285352] [<ffffffff810755bf>] worker_thread+0x15f/0x360 [283329.285364] [<ffffffff81075460>] ? manage_workers+0x230/0x230 [283329.285375] [<ffffffff81079da3>] kthread+0x93/0xa0 [283329.285387] [<ffffffff815fd5a4>] kernel_thread_helper+0x4/0x10 [283329.285397] [<ffffffff81079d10>] ? kthread_freezable_should_stop+0x70/0x70 [283329.285408] [<ffffffff815fd5a0>] ? gs_change+0x13/0x13 [283329.285416] ---[ end trace 6634d06da3601596 ]--- [283329.300805] wlan0: moving STA 00:14:d1:aa:d3:40 to state 2 Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/41 ------------------------------------------------------------------------ On 2012-05-07T18:49:27+00:00 Dave wrote: *** Bug 819175 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/42 ------------------------------------------------------------------------ On 2012-05-24T15:45:22+00:00 Dave wrote: *** Bug 822308 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/43 ------------------------------------------------------------------------ On 2012-06-06T10:52:04+00:00 Kevin wrote: I'm seeing this (or something similar? bug #809884 ?) on a Thinkpad X201 when connecting to WPA2 Enterprise / PEAP / MSCHAPv2 (as per eduroam: http://www.oucs.ox.ac.uk/network/wireless/services/eduroam/fedora/ ) I'm finding this network unstable to the point of unusable -- it keeps disconnecting. I'm assuming this is related to the warning? Jun 6 10:47:45 pootle kernel: [ 209.376397] WARNING: at include/net/mac80211.h:3614 rate_control_send_low+0x23e/0x250 [mac80211]() Jun 6 10:47:45 pootle kernel: [ 209.376400] Hardware name: 3249CTO Jun 6 10:47:45 pootle kernel: [ 209.376402] Modules linked in: tcp_lp hidp fuse lockd rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 x t_state nf_conntrack ip6table_filter ip6_tables uvcvideo videobuf2_core videodev snd_hda_codec_hdmi btusb bluetooth media videobuf2_vmalloc videobuf2_memops snd_hda_codec_conexant snd_hda_intel snd_hda_codec arc4 snd_hwdep snd_seq iwlwifi snd_seq_device mac80211 thinkpad_acpi joydev snd_pcm snd_timer snd tpm_tis tpm cfg80211 soundcore e1000e microcode iTCO _wdt intel_ips iTCO_vendor_support i2c_i801 tpm_bios rfkill snd_page_alloc uinput sunrpc xts gf128mul dm_crypt wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unload ed: scsi_wait_scan] Jun 6 10:47:45 pootle kernel: [ 209.376453] Pid: 76, comm: kworker/u:6 Not tainted 3.3.7-1.fc16.x86_64 #1 Jun 6 10:47:45 pootle kernel: [ 209.376455] Call Trace: Jun 6 10:47:45 pootle kernel: [ 209.376465] [<ffffffff81057adf>] warn_slowpath_common+0x7f/0xc0 Jun 6 10:47:45 pootle kernel: [ 209.376468] [<ffffffff81057b3a>] warn_slowpath_null+0x1a/0x20 Jun 6 10:47:45 pootle kernel: [ 209.376479] [<ffffffffa027578e>] rate_control_send_low+0x23e/0x250 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376490] [<ffffffffa02e0fe9>] rs_get_rate+0x99/0x310 [iwlwifi] Jun 6 10:47:45 pootle kernel: [ 209.376502] [<ffffffffa0275bae>] rate_control_get_rate+0xae/0x180 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376514] [<ffffffffa0281a0f>] invoke_tx_handlers+0x7cf/0x1400 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376520] [<ffffffff81072740>] ? insert_work+0x70/0x80 Jun 6 10:47:45 pootle kernel: [ 209.376525] [<ffffffff814d959b>] ? __alloc_skb+0x4b/0x230 Jun 6 10:47:45 pootle kernel: [ 209.376534] [<ffffffffa0260d5c>] ? sta_info_get+0x6c/0x80 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376547] [<ffffffffa0282790>] ieee80211_tx+0x60/0xc0 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376559] [<ffffffffa0282871>] ieee80211_xmit+0x81/0xd0 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376571] [<ffffffffa0283aaf>] ieee80211_tx_skb_tid+0x5f/0x70 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376582] [<ffffffffa026748c>] ieee80211_send_delba+0x12c/0x1a0 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376592] [<ffffffffa0268bb1>] ieee80211_stop_tx_ba_cb+0x1a1/0x1b0 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376603] [<ffffffffa0273391>] ieee80211_iface_work+0x291/0x350 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376614] [<ffffffffa0273100>] ? ieee80211_teardown_sdata+0xe0/0xe0 [mac80211] Jun 6 10:47:45 pootle kernel: [ 209.376619] [<ffffffff810747ae>] process_one_work+0x11e/0x470 Jun 6 10:47:45 pootle kernel: [ 209.376622] [<ffffffff810755bf>] worker_thread+0x15f/0x360 Jun 6 10:47:45 pootle kernel: [ 209.376626] [<ffffffff81075460>] ? manage_workers+0x230/0x230 Jun 6 10:47:45 pootle kernel: [ 209.376630] [<ffffffff81079da3>] kthread+0x93/0xa0 Jun 6 10:47:45 pootle kernel: [ 209.376636] [<ffffffff815fd8e4>] kernel_thread_helper+0x4/0x10 Jun 6 10:47:45 pootle kernel: [ 209.376639] [<ffffffff81079d10>] ? kthread_freezable_should_stop+0x70/0x70 Jun 6 10:47:45 pootle kernel: [ 209.376642] [<ffffffff815fd8e0>] ? gs_change+0x13/0x13 Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/44 ------------------------------------------------------------------------ On 2012-07-13T13:07:02+00:00 Stanislaw wrote: This should be fixed on 3.4 by mac80211 auth/assoc redesign - closing. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/comments/45 ** Changed in: fedora Status: Unknown => Fix Released ** Changed in: fedora Importance: Unknown => Undecided -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/652775 Title: WARNING: at /build/buildd/linux-2.6.35/include/net/mac80211.h:2601 rate_control_send_low+0xc2/0x140 [mac80211]() Status in linux package in Ubuntu: Incomplete Status in Fedora: Fix Released Bug description: Seems to be not critical... ProblemType: KernelOops DistroRelease: Ubuntu 10.10 Package: linux-image-2.6.35-22-generic-pae 2.6.35-22.33 Regression: Yes Reproducible: No ProcVersionSignature: Ubuntu 2.6.35-22.33-generic-pae 2.6.35.4 Uname: Linux 2.6.35-22-generic-pae i686 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Annotation: Your system might become unstable now and might need to be restarted. Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: kgeorgy 1734 F.... pulseaudio CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xf2320000 irq 47' Mixer name : 'Conexant CX20585' Components : 'HDA:14f15069,17aa21a4,00100302' Controls : 6 Simple ctrls : 4 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xcdefc000 irq 16' Mixer name : 'Nvidia GT21x HDMI' Components : 'HDA:10de000b,10de0101,00100100' Controls : 16 Simple ctrls : 4 Card29.Amixer.info: Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 6UHT27WW-1.08' Mixer name : 'ThinkPad EC 6UHT27WW-1.08' Components : '' Controls : 1 Simple ctrls : 1 Card29.Amixer.values: Simple mixer control 'Console',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Fri Oct 1 09:42:48 2010 Failure: oops Frequency: Once a day. HibernationDevice: RESUME=UUID=0bc3930d-795a-4add-9dde-1318f3c643a0 InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta i386 (20100901.1) MachineType: LENOVO 2912AE7 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic-pae root=UUID=c413cbec-ba7a-4200-bb78-b6e35569868f ro quiet splash RelatedPackageVersions: linux-firmware 1.38 SourcePackage: linux Title: WARNING: at /build/buildd/linux-2.6.35/include/net/mac80211.h:2601 rate_control_send_low+0xc2/0x140 [mac80211]() dmi.bios.date: 03/25/2010 dmi.bios.vendor: LENOVO dmi.bios.version: 6UET33WW (1.11 ) dmi.board.name: 2912AE7 dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr6UET33WW(1.11):bd03/25/2010:svnLENOVO:pn2912AE7:pvrThinkPadT410s:rvnLENOVO:rn2912AE7:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2912AE7 dmi.product.version: ThinkPad T410s dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/652775/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
