** Description changed: I am running a xen/dom0 setup for a long time now. Every once in a while (only since precise 3.x kernel) the following panic is triggered usually after a task switch (alt-tab) out of Dom0 with compiz on the stack of the crashing CPU. I am opening this bug with just the oops screen, but have configured kexec/kdump to capture a dump on requirement when it happens again. Googling xen_set_pte+0x36 shows a buch of similar issues, but I was not sure if any did 100% match this signature. - Aug 21 13:07:58 UbuntuPC kernel: [496887.217437] BUG: unable to handle kernel paging request at ffff8800cdedebc0 Aug 21 13:07:58 UbuntuPC kernel: [496887.217835] IP: [<ffffffff81008f86>] xen_set_pte+0x36/0x1f0 Aug 21 13:07:58 UbuntuPC kernel: [496887.218154] PGD 1c06067 PUD f3f067 PMD faf067 PTE 80100000cdede065 Aug 21 13:07:58 UbuntuPC kernel: [496887.218506] Oops: 0003 [#1] SMP Aug 21 13:07:58 UbuntuPC kernel: [496887.218687] CPU 2 - Aug 21 13:07:58 UbuntuPC kernel: [496887.218797] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat ip6table_filter ip6_tables xt_physdev iptable_filter ip_tab + Aug 21 13:07:58 UbuntuPC kernel: [496887.218797] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat ip6table_filter ip6_tables xt_physdev iptable_filter ip_tables x_tables xen_gntdev xen_netback xen_blkback xen_evtchn xenfs bnep rfcomm parport_pc ppdev snd_hda_codec_hdmi snd_hda_codec_realtek bridge stp snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd btusb soundcore bluetooth psmouse snd_page_alloc mei(C) serio_raw dm_multipath mac_hid binfmt_misc ext2 sbs sbshc coretemp lp parport usbhid hid dm_crypt uas usb_storage raid10 raid456 async_pq async_xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 multipath linear dm_raid45 xor dm_mirror dm_region_hash dm_log btrfs zlib_deflate libcrc32c raid0 mxm_wmi pata_marvell e1000e radeon wmi ttm drm_kms_helper drm i2c_algo_bit zram(C) Aug 21 13:07:58 UbuntuPC kernel: [496887.223025] Aug 21 13:07:58 UbuntuPC kernel: [496887.223107] Pid: 1867, comm: Xorg Tainted: G C 3.2.0-29-generic #46-Ubuntu /DP67BG Aug 21 13:07:58 UbuntuPC kernel: [496887.223671] RIP: e030:[<ffffffff81008f86>] [<ffffffff81008f86>] xen_set_pte+0x36/0x1f0 Aug 21 13:07:58 UbuntuPC kernel: [496887.224126] RSP: e02b:ffff8803c701d4b8 EFLAGS: 00010297 Aug 21 13:07:58 UbuntuPC kernel: [496887.224425] RAX: 0000000000000000 RBX: ffff8800cdedebc0 RCX: 0000000000000000 Aug 21 13:07:58 UbuntuPC kernel: [496887.224829] RDX: 0000000000000000 RSI: 801000016a58b077 RDI: ffff8800cdedebc0 Aug 21 13:07:58 UbuntuPC kernel: [496887.225232] RBP: ffff8803c701d508 R08: 8010000239d78067 R09: ffff880000000000 Aug 21 13:07:58 UbuntuPC kernel: [496887.225637] R10: 0000000000000001 R11: 0000000000000000 R12: 801000016a58b077 Aug 21 13:07:58 UbuntuPC kernel: [496887.226042] R13: ffff880239d78000 R14: 8010000000000077 R15: 0000000000239d78 Aug 21 13:07:58 UbuntuPC kernel: [496887.226448] FS: 00007faea3fd6880(0000) GS:ffff8803e9080000(0000) knlGS:0000000000000000 Aug 21 13:07:58 UbuntuPC kernel: [496887.226907] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b Aug 21 13:07:58 UbuntuPC kernel: [496887.227230] CR2: ffff8800cdedebc0 CR3: 00000003c994e000 CR4: 0000000000002660 Aug 21 13:07:58 UbuntuPC kernel: [496887.227634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 21 13:07:58 UbuntuPC kernel: [496887.228038] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Aug 21 13:07:58 UbuntuPC kernel: [496887.228441] Process Xorg (pid: 1867, threadinfo ffff8803c701c000, task ffff8803c271ae00) Aug 21 13:07:58 UbuntuPC kernel: [496887.228900] Stack: Aug 21 13:07:58 UbuntuPC kernel: [496887.229011] ffff8Aug 21 13:39:21 UbuntuPC kernel: imklog 5.8.6, log source = /proc/kmsg started. + ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-generic 3.2.0.29.31 ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24 Uname: Linux 3.2.0-29-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu12 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC2: rkaestner 3334 F.... pulseaudio - /dev/snd/controlC1: rkaestner 3334 F.... pulseaudio - /dev/snd/controlC0: rkaestner 3334 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC2: rkaestner 3334 F.... pulseaudio + /dev/snd/controlC1: rkaestner 3334 F.... pulseaudio + /dev/snd/controlC0: rkaestner 3334 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: - Card hw:0 'PCH'/'HDA Intel PCH at 0xf0420000 irq 341' - Mixer name : 'Realtek ALC892' - Components : 'HDA:10ec0892,80862007,00100302' - Controls : 37 - Simple ctrls : 18 + Card hw:0 'PCH'/'HDA Intel PCH at 0xf0420000 irq 341' + Mixer name : 'Realtek ALC892' + Components : 'HDA:10ec0892,80862007,00100302' + Controls : 37 + Simple ctrls : 18 Card1.Amixer.info: - Card hw:1 'Generic'/'HD-Audio Generic at 0xf0320000 irq 342' - Mixer name : 'ATI R6xx HDMI' - Components : 'HDA:1002aa01,00aa0100,00100200' - Controls : 6 - Simple ctrls : 1 + Card hw:1 'Generic'/'HD-Audio Generic at 0xf0320000 irq 342' + Mixer name : 'ATI R6xx HDMI' + Components : 'HDA:1002aa01,00aa0100,00100200' + Controls : 6 + Simple ctrls : 1 Card1.Amixer.values: - Simple mixer control 'IEC958',0 - Capabilities: pswitch pswitch-joined penum - Playback channels: Mono - Mono: Playback [on] + Simple mixer control 'IEC958',0 + Capabilities: pswitch pswitch-joined penum + Playback channels: Mono + Mono: Playback [on] Card2.Amixer.info: - Card hw:2 'Generic_1'/'HD-Audio Generic at 0xf0220000 irq 343' - Mixer name : 'ATI R6xx HDMI' - Components : 'HDA:1002aa01,00aa0100,00100200' - Controls : 6 - Simple ctrls : 1 + Card hw:2 'Generic_1'/'HD-Audio Generic at 0xf0220000 irq 343' + Mixer name : 'ATI R6xx HDMI' + Components : 'HDA:1002aa01,00aa0100,00100200' + Controls : 6 + Simple ctrls : 1 Card2.Amixer.values: - Simple mixer control 'IEC958',0 - Capabilities: pswitch pswitch-joined penum - Playback channels: Mono - Mono: Playback [on] + Simple mixer control 'IEC958',0 + Capabilities: pswitch pswitch-joined penum + Playback channels: Mono + Mono: Playback [on] Date: Tue Aug 21 14:37:41 2012 ProcEnviron: - LANGUAGE=en_US:en - TERM=xterm - PATH=(custom, user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + LANGUAGE=en_US:en + TERM=xterm + PATH=(custom, user) + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcFB: - 0 radeondrmfb - 1 radeondrmfb + 0 radeondrmfb + 1 radeondrmfb ProcKernelCmdLine: placeholder root=/dev/mapper/rootfs ro irqpoll nopat vga=773 quiet splash RelatedPackageVersions: - linux-restricted-modules-3.2.0-29-generic N/A - linux-backports-modules-3.2.0-29-generic N/A - linux-firmware 1.79 + linux-restricted-modules-3.2.0-29-generic N/A + linux-backports-modules-3.2.0-29-generic N/A + linux-firmware 1.79 RfKill: - 0: hci0: Bluetooth - Soft blocked: yes - Hard blocked: no + 0: hci0: Bluetooth + Soft blocked: yes + Hard blocked: no SourcePackage: linux StagingDrivers: mei zram UpgradeStatus: Upgraded to precise on 2012-03-05 (168 days ago) dmi.bios.date: 08/18/2011 dmi.bios.vendor: Intel Corp. dmi.bios.version: BGP6710J.86A.2053.2011.0818.2322 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: DP67BG dmi.board.vendor: Intel Corporation dmi.board.version: AAG10491-306 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorp.:bvrBGP6710J.86A.2053.2011.0818.2322:bd08/18/2011:svn:pn:pvr:rvnIntelCorporation:rnDP67BG:rvrAAG10491-306:cvn:ct3:cvr:
** Description changed: I am running a xen/dom0 setup for a long time now. Every once in a while (only since precise 3.x kernel) the following panic is triggered usually after a task switch (alt-tab) out of Dom0 with compiz on the stack of the crashing CPU. I am opening this bug with just the oops screen, but have configured kexec/kdump to capture a dump on requirement when it happens again. Googling xen_set_pte+0x36 shows a buch of similar issues, but I was not sure if any did 100% match this signature. Aug 21 13:07:58 UbuntuPC kernel: [496887.217437] BUG: unable to handle kernel paging request at ffff8800cdedebc0 Aug 21 13:07:58 UbuntuPC kernel: [496887.217835] IP: [<ffffffff81008f86>] xen_set_pte+0x36/0x1f0 Aug 21 13:07:58 UbuntuPC kernel: [496887.218154] PGD 1c06067 PUD f3f067 PMD faf067 PTE 80100000cdede065 - Aug 21 13:07:58 UbuntuPC kernel: [496887.218506] Oops: 0003 [#1] SMP - Aug 21 13:07:58 UbuntuPC kernel: [496887.218687] CPU 2 + Aug 21 13:07:58 UbuntuPC kernel: [496887.218506] Oops: 0003 [#1] SMP + Aug 21 13:07:58 UbuntuPC kernel: [496887.218687] CPU 2 Aug 21 13:07:58 UbuntuPC kernel: [496887.218797] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat ip6table_filter ip6_tables xt_physdev iptable_filter ip_tables x_tables xen_gntdev xen_netback xen_blkback xen_evtchn xenfs bnep rfcomm parport_pc ppdev snd_hda_codec_hdmi snd_hda_codec_realtek bridge stp snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd btusb soundcore bluetooth psmouse snd_page_alloc mei(C) serio_raw dm_multipath mac_hid binfmt_misc ext2 sbs sbshc coretemp lp parport usbhid hid dm_crypt uas usb_storage raid10 raid456 async_pq async_xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 multipath linear dm_raid45 xor dm_mirror dm_region_hash dm_log btrfs zlib_deflate libcrc32c raid0 mxm_wmi pata_marvell e1000e radeon wmi ttm drm_kms_helper drm i2c_algo_bit zram(C) - Aug 21 13:07:58 UbuntuPC kernel: [496887.223025] + Aug 21 13:07:58 UbuntuPC kernel: [496887.223025] Aug 21 13:07:58 UbuntuPC kernel: [496887.223107] Pid: 1867, comm: Xorg Tainted: G C 3.2.0-29-generic #46-Ubuntu /DP67BG Aug 21 13:07:58 UbuntuPC kernel: [496887.223671] RIP: e030:[<ffffffff81008f86>] [<ffffffff81008f86>] xen_set_pte+0x36/0x1f0 Aug 21 13:07:58 UbuntuPC kernel: [496887.224126] RSP: e02b:ffff8803c701d4b8 EFLAGS: 00010297 Aug 21 13:07:58 UbuntuPC kernel: [496887.224425] RAX: 0000000000000000 RBX: ffff8800cdedebc0 RCX: 0000000000000000 Aug 21 13:07:58 UbuntuPC kernel: [496887.224829] RDX: 0000000000000000 RSI: 801000016a58b077 RDI: ffff8800cdedebc0 Aug 21 13:07:58 UbuntuPC kernel: [496887.225232] RBP: ffff8803c701d508 R08: 8010000239d78067 R09: ffff880000000000 Aug 21 13:07:58 UbuntuPC kernel: [496887.225637] R10: 0000000000000001 R11: 0000000000000000 R12: 801000016a58b077 Aug 21 13:07:58 UbuntuPC kernel: [496887.226042] R13: ffff880239d78000 R14: 8010000000000077 R15: 0000000000239d78 Aug 21 13:07:58 UbuntuPC kernel: [496887.226448] FS: 00007faea3fd6880(0000) GS:ffff8803e9080000(0000) knlGS:0000000000000000 Aug 21 13:07:58 UbuntuPC kernel: [496887.226907] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b Aug 21 13:07:58 UbuntuPC kernel: [496887.227230] CR2: ffff8800cdedebc0 CR3: 00000003c994e000 CR4: 0000000000002660 Aug 21 13:07:58 UbuntuPC kernel: [496887.227634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 21 13:07:58 UbuntuPC kernel: [496887.228038] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Aug 21 13:07:58 UbuntuPC kernel: [496887.228441] Process Xorg (pid: 1867, threadinfo ffff8803c701c000, task ffff8803c271ae00) Aug 21 13:07:58 UbuntuPC kernel: [496887.228900] Stack: Aug 21 13:07:58 UbuntuPC kernel: [496887.229011] ffff8Aug 21 13:39:21 UbuntuPC kernel: imklog 5.8.6, log source = /proc/kmsg started. - ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-generic 3.2.0.29.31 ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24 Uname: Linux 3.2.0-29-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu12 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND - /dev/snd/controlC2: rkaestner 3334 F.... pulseaudio - /dev/snd/controlC1: rkaestner 3334 F.... pulseaudio - /dev/snd/controlC0: rkaestner 3334 F.... pulseaudio + /dev/snd/controlC2: rk 3334 F.... pulseaudio + /dev/snd/controlC1: rk 3334 F.... pulseaudio + /dev/snd/controlC0: rk 3334 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf0420000 irq 341' Mixer name : 'Realtek ALC892' Components : 'HDA:10ec0892,80862007,00100302' Controls : 37 Simple ctrls : 18 Card1.Amixer.info: Card hw:1 'Generic'/'HD-Audio Generic at 0xf0320000 irq 342' Mixer name : 'ATI R6xx HDMI' Components : 'HDA:1002aa01,00aa0100,00100200' Controls : 6 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Card2.Amixer.info: Card hw:2 'Generic_1'/'HD-Audio Generic at 0xf0220000 irq 343' Mixer name : 'ATI R6xx HDMI' Components : 'HDA:1002aa01,00aa0100,00100200' Controls : 6 Simple ctrls : 1 Card2.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Tue Aug 21 14:37:41 2012 ProcEnviron: LANGUAGE=en_US:en TERM=xterm PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 radeondrmfb 1 radeondrmfb ProcKernelCmdLine: placeholder root=/dev/mapper/rootfs ro irqpoll nopat vga=773 quiet splash RelatedPackageVersions: linux-restricted-modules-3.2.0-29-generic N/A linux-backports-modules-3.2.0-29-generic N/A linux-firmware 1.79 RfKill: 0: hci0: Bluetooth Soft blocked: yes Hard blocked: no SourcePackage: linux StagingDrivers: mei zram UpgradeStatus: Upgraded to precise on 2012-03-05 (168 days ago) dmi.bios.date: 08/18/2011 dmi.bios.vendor: Intel Corp. dmi.bios.version: BGP6710J.86A.2053.2011.0818.2322 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: DP67BG dmi.board.vendor: Intel Corporation dmi.board.version: AAG10491-306 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorp.:bvrBGP6710J.86A.2053.2011.0818.2322:bd08/18/2011:svn:pn:pvr:rvnIntelCorporation:rnDP67BG:rvrAAG10491-306:cvn:ct3:cvr: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1039524 Title: Dom0 panic @ xen_set_pte+0x36/0x1f0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1039524/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs