Still affects main-line.
$ uname -a
Linux jeeves 3.7.0-030700rc8-generic #201212031649 SMP Mon Dec 3 22:00:46 UTC
2012 i686 i686 i386 GNU/Linux
[29554.693545] skbuff: skb_under_panic: text:f8714595 len:42 put:16
head:eecc4200 data:eecc41fc tail:0xeecc4226 end:0xeecc4280 dev:<NULL>
[29554.697505] ------------[ cut here ]------------
[29554.697505] kernel BUG at /home/apw/COD/linux/net/core/skbuff.c:145!
[29554.697505] invalid opcode: 0000 [#1] SMP
[29554.697505] Modules linked in: autofs4 xt_REDIRECT act_police cls_basic
cls_flow cls_fw cls_u32 sch_tbf sch_prio sch_htb sch_hfsc sch_ingress sch_sfq
xt_LOG xt_time xt_connlimit xt_realm xt_addrtype iptable_raw xt_comment
xt_recent xt_policy xt_nat xt_TCPMSS ipt_ULOG ipt_REJECT ipt_MASQUERADE ipt_ECN
ipt_CLUSTERIP ipt_ah xt_set ip_set nf_nat_tftp nf_nat_snmp_basic
nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc
nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda
nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_sctp
nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink
nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_irc
nf_conntrack_h323 nf_conntrack_ftp xt_TPROXY nf_tproxy_core ip6_tables
nf_defrag_ipv6 xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG
nfnetlink_log xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange
xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_connmark
xt_CLASSIFY xt_AUDIT xt_tcpudp xt_state iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink
iptable_filter ip_tables x_tables pppoe pppox dm_crypt nfsd cx22702 nfs_acl
isl6421 auth_rpcgss nfs cx24116 fscache snd_soc_wm8776 ir_lirc_codec lockd
lirc_dev ir_mce_kbd_decoder snd_soc_core ir_sanyo_decoder sunrpc
ir_sony_decoder cx88_dvb ir_jvc_decoder cx88_vp3054_i2c videobuf_dvb
ir_rc6_decoder snd_compress dvb_core ir_rc5_decoder cx88_alsa snd_pcm
ir_nec_decoder wm8775 rc_hauppauge snd_seq_midi snd_rawmidi tuner_simple
snd_seq_midi_event snd_seq tuner_types snd_timer ext2 snd_seq_device tda9887
arc4 tda8290 snd soundcore snd_page_alloc rt2800pci rt2800lib tuner crc_ccitt
cx8800 cx8802 cx88xx rt2x00pci rt2x00lib rc_core i2c_algo_bit mac80211 bridge
tveeprom v4l2_common videodev videobuf_dma_sg btcx_risc stp cfg80211
videobuf_core llc w83791d eeprom_93cx6 i2c_i801 lpc_ich it87 shpchp hwmon_vid
dm_multipath ppdev scsi_dh lp hid_generic parport_pc psmouse microcode
serio_raw mac_hid parport raid10 raid456 async_raid6_recov async_pq raid6_pq
async_xor xor async_memcpy async_tx raid0 multipath linear dm_mirror
dm_region_hash dm_log raid1 usbhid hid 8139too 8139cp tulip floppy e1000
[29554.697505] Pid: 0, comm: swapper/1 Not tainted 3.7.0-030700rc8-generic
#201212031649 Gigabyte SR147/SR147
[29554.697505] EIP: 0060:[<c14ff17f>] EFLAGS: 00010292 CPU: 1
[29554.697505] EIP is at skb_push+0x8f/0xa0
[29554.697505] EAX: 0000007a EBX: eecc4226 ECX: 00000591 EDX: 00000096
[29554.697505] ESI: 00000000 EDI: f70d5e38 EBP: f70d5de4 ESP: f70d5db4
[29554.697505] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[29554.697505] CR0: 8005003b CR2: b770b000 CR3: 3073e000 CR4: 000007f0
[29554.697505] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[29554.697505] DR6: ffff0ff0 DR7: 00000400
[29554.697505] Process swapper/1 (pid: 0, ti=f70d4000 task=f70c0cb0
task.ti=f70bc000)
[29554.697505] Stack:
[29554.697505] c18492e8 c1689487 f8714595 0000002a 00000010 eecc4200 eecc41fc
eecc4226
[29554.697505] eecc4280 c17f7c16 f6ae23c0 f19e92a0 f70d5e10 f8714595 f8713ffe
f8714999
[29554.697505] 00000000 00000000 0000001a 0000001a f6ae23c0 f0cafa48 f0146700
f70d5e70
[29554.697505] Call Trace:
[29554.697505] [<f8714595>] ? rt2x00queue_write_tx_data+0x35/0xe0 [rt2x00lib]
[29554.697505] [<f8714595>] rt2x00queue_write_tx_data+0x35/0xe0 [rt2x00lib]
[29554.697505] [<f8713ffe>] ? rt2x00queue_get_entry+0x3e/0x90 [rt2x00lib]
[29554.697505] [<f8714999>] ? rt2x00queue_insert_l2pad+0x79/0xe0 [rt2x00lib]
[29554.697505] [<f8714dfa>] rt2x00queue_write_tx_frame+0x11a/0x2a0 [rt2x00lib]
[29554.697505] [<f8b50cc6>] ? rate_control_get_rate+0xc6/0x190 [mac80211]
[29554.697505] [<f871320e>] rt2x00mac_tx+0x7e/0x190 [rt2x00lib]
[29554.697505] [<c103d5b8>] ? default_spin_lock_flags+0x8/0x10
[29554.697505] [<f8b5bba8>] ieee80211_tx_frags+0x98/0x170 [mac80211]
[29554.697505] [<f8b5bd02>] __ieee80211_tx+0x82/0x170 [mac80211]
[29554.697505] [<f8b5d7b3>] ieee80211_tx+0xb3/0xf0 [mac80211]
[29554.697505] [<f8b5d86a>] ieee80211_tx_pending_skb+0x7a/0x90 [mac80211]
[29554.697505] [<c103d5b8>] ? default_spin_lock_flags+0x8/0x10
[29554.697505] [<c160a38d>] ? _raw_spin_lock_irqsave+0x2d/0x40
[29554.697505] [<f8b5e6ea>] ieee80211_tx_pending+0x9a/0x120 [mac80211]
[29554.697505] [<c10535a0>] ? local_bh_enable_ip+0x90/0x90
[29554.697505] [<c1053a53>] tasklet_action+0x53/0xb0
[29554.697505] [<c1053639>] __do_softirq+0x99/0x1d0
[29554.697505] [<c10535a0>] ? local_bh_enable_ip+0x90/0x90
[29554.697505] <IRQ>
[29554.697505] [<c10538b6>] ? irq_exit+0x76/0xa0
[29554.697505] [<c1611fbb>] ? do_IRQ+0x4b/0xc0
[29554.697505] [<c1611db3>] ? common_interrupt+0x33/0x38
[29554.697505] [<c103ca05>] ? native_safe_halt+0x5/0x10
[29554.697505] [<c136613c>] ? arch_safe_halt+0x8/0xb
[29554.697505] [<c13669d0>] ? acpi_safe_halt+0x26/0x38
[29554.697505] [<c13669fe>] ? acpi_idle_do_entry+0x1c/0x2b
[29554.697505] [<c1366c11>] ? acpi_idle_enter_c1+0x5b/0xa0
[29554.697505] [<c14c8145>] ? cpuidle_enter+0x15/0x20
[29554.697505] [<c14c875d>] ? cpuidle_idle_call+0x9d/0x260
[29554.697505] [<c10a1323>] ? __tick_nohz_idle_enter+0x73/0xc0
[29554.697505] [<c1019aba>] ? cpu_idle+0xaa/0xe0
[29554.697505] [<c15ee9a5>] ? start_secondary+0xcb/0xd0
[29554.697505] Code: 00 89 54 24 10 89 44 24 14 8b 41 50 c7 44 24 04 87 94 68
c1 c7 04 24 e8 92 84 c1 89 44 24 0c 8b 45 04 89 44 24 08 e8 9c 4e 0f 00 <0f> 0b
eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 83
[29554.697505] EIP: [<c14ff17f>] skb_push+0x8f/0xa0 SS:ESP 0068:f70d5db4
[29555.218722] ---[ end trace e105edc1f7f9b008 ]---
[29555.223362] Kernel panic - not syncing: Fatal exception in interrupt
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1087591
Title:
Panic in rt2x00lib
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