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Message-Id: <200912211952.02562.dhazelton@enter.net> Date: Mon, 21 Dec 2009 19:52:02 -0500 From: Daniel Hazelton <dhazelton@...er.net> To: "Berck E. Nash" <flyboy@...il.com> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: sky2 panic in 2.6.32.1 under load On Monday 21 December 2009 06:52:10 pm Berck E. Nash wrote: > Since 2.6.32, I've been getting kernel panics under heavy network load > (bittorrent usage). > > [ 8673.345873] sky2 eth0: receiver hang detected > [ 8673.350368] sky2 eth0: disabling interface > [ 8673.354749] BUG: unable to handle kernel NULL pointer dereference at > 0000000000000010 > [ 8673.359748] IP: [<ffffffffa00373d3>] sky2_xmit_frame+0x321/0x5d8 [sky2] > [ 8673.364675] PGD a09a6067 PUD a09a5067 PMD 0 > [ 8673.373838] Oops: 0002 [#1] SMP > [ 8673.373838] last sysfs file: > /sys/devices/platform/coretemp.1/temp1_label [ 8673.383900] CPU 0 > [ 8673.383900] Modules linked in: nfsd exportfs nfs lockd nfs_acl > auth_rpcgss sunrpc nls_cp437 msdos fat kvm_intel kvm fuse snd_rtctimer > hwmon_vid nvidia(P) usbhid tuner_simple tuner_types wm8775 tda9887 > snd_hda_codec_realtek tda8290 snd_hda_intel tuner snd_hda_codec > snd_pcm_oss snd_mixer_oss snd_pcm cx25840 snd_seq_dummy snd_seq_oss > snd_seq_midi_event ivtv snd_seq i2c_algo_bit cx2341x v4l2_common > snd_timer videodev uhci_hcd snd_seq_device v4l1_compat ehci_hcd snd > v4l2_compat_ioctl32 i2c_i801 soundcore snd_page_alloc floppy sky2 > usbcore tveeprom > [ 8673.435268] Pid: 4, comm: ksoftirqd/0 Tainted: P 2.6.32.1 > #3 P5W DH Deluxe > [ 8673.438943] RIP: 0010:[<ffffffffa00373d3>] [<ffffffffa00373d3>] > sky2_xmit_frame+0x321/0x5d8 [sky2] > [ 8673.448539] RSP: 0018:ffff880001603df8 EFLAGS: 00010246 > [ 8673.458678] RAX: 0000000000000000 RBX: ffff8800bd201d40 RCX: > 0000000000000000 > [ 8673.465016] RDX: 0000000000000000 RSI: 000000000000008c RDI: > 0000000000000000 > [ 8673.472396] RBP: ffff880001603e48 R08: 0000000000000001 R09: > 0000000000000000 > [ 8673.474083] R10: 000000000000001e R11: 0000000000000ef8 R12: > ffff88009bf3ab48 > [ 8673.484317] R13: ffff8800bef4d000 R14: 0000000000000000 R15: > 00000000955fa87e > [ 8673.492381] FS: 0000000000000000(0000) GS:ffff880001600000(0000) > knlGS:0000000000000000 > [ 8673.501448] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > [ 8673.509707] CR2: 0000000000000010 CR3: 00000000a09bf000 CR4: > 00000000000026f0 > [ 8673.514146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 8673.520661] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 8673.528842] Process ksoftirqd/0 (pid: 4, threadinfo ffff8800bf8b4000, > task ffff8800bf8a8650) > [ 8673.539212] Stack: > [ 8673.539212] ffff8800992f5980 ffff8800955fa87e ffff8800bd201800 > 000000428122a659 > [ 8673.548658] <0> ffff880001603e48 ffff88009bf3ab48 ffff8800992f5980 > ffffffff813eaf30 > [ 8673.556929] <0> ffff8800bd201800 ffff8800bef03940 ffff880001603e98 > ffffffff81231de8 > [ 8673.565432] Call Trace: > [ 8673.565432] <IRQ> > [ 8673.565432] [<ffffffff81231de8>] dev_hard_start_xmit+0x21c/0x2b7 > [ 8673.574516] [<ffffffff81041746>] ? run_timer_softirq+0x4f/0x1c9 > [ 8673.579515] [<ffffffff81240252>] sch_direct_xmit+0x5e/0x154 > [ 8673.584559] [<ffffffff81240404>] __qdisc_run+0xbc/0xd5 > [ 8673.592673] [<ffffffff8122fb19>] net_tx_action+0xbb/0x10e > [ 8673.598719] [<ffffffff8103dc16>] __do_softirq+0x91/0x11b > [ 8673.601787] [<ffffffff8100be9c>] call_softirq+0x1c/0x28 > [ 8673.609833] <EOI> > [ 8673.610994] [<ffffffff8100d907>] do_softirq+0x33/0x6b > [ 8673.614419] [<ffffffff8103d71e>] ksoftirqd+0x60/0xd7 > [ 8673.620082] [<ffffffff8103d6be>] ? ksoftirqd+0x0/0xd7 > [ 8673.620082] [<ffffffff8104aee7>] kthread+0x7a/0x82 > [ 8673.629310] [<ffffffff8100bd9a>] child_rip+0xa/0x20 > [ 8673.634137] [<ffffffff8104ae6d>] ? kthread+0x0/0x82 > [ 8673.639492] [<ffffffff8100bd90>] ? child_rip+0x0/0x20 > [ 8673.647639] Code: 06 00 00 00 00 89 08 66 c7 40 04 00 00 c6 40 06 01 > c6 40 07 9f 41 0f b7 c6 48 89 c7 48 c1 e0 03 48 c1 e7 05 48 89 f9 48 03 > 4b 20 <4c> 89 79 10 48 c7 41 08 01 00 00 00 8b 75 cc 89 71 18 48 03 7b > [ 8673.667726] RIP [<ffffffffa00373d3>] sky2_xmit_frame+0x321/0x5d8 [sky2] > [ 8673.674902] RSP <ffff880001603df8> > [ 8673.674902] CR2: 0000000000000010 > [ 8673.682956] hda-intel: IRQ timing workaround is activated for card > #0. Suggest a bigger bdl_pos_adj. > [ 8673.683015] ---[ end trace 2c387977cf1c7c9a ]--- > [ 8673.683017] Kernel panic - not syncing: Fatal exception in interrupt > [ 8673.683020] Pid: 4, comm: ksoftirqd/0 Tainted: P D 2.6.32.1 #3 > [ 8673.683021] Call Trace: > [ 8673.683023] <IRQ> [<ffffffff8129839d>] panic+0x75/0x11c > [ 8673.683030] [<ffffffff8100e9a7>] oops_end+0x81/0x8e > [ 8673.683033] [<ffffffff81026e5f>] no_context+0x1ee/0x1fd > [ 8673.683036] [<ffffffff81032a6d>] ? find_busiest_group+0x387/0x8d8 > [ 8673.683039] [<ffffffff81026fe0>] __bad_area_nosemaphore+0x172/0x195 > [ 8673.683041] [<ffffffff81027011>] bad_area_nosemaphore+0xe/0x10 > [ 8673.683044] [<ffffffff8102724b>] do_page_fault+0x114/0x252 > [ 8673.683047] [<ffffffff8129a97f>] page_fault+0x1f/0x30 > [ 8673.683054] [<ffffffffa00373d3>] ? sky2_xmit_frame+0x321/0x5d8 [sky2] > [ 8673.683058] [<ffffffffa00371b8>] ? sky2_xmit_frame+0x106/0x5d8 [sky2] > [ 8673.683061] [<ffffffff81231de8>] dev_hard_start_xmit+0x21c/0x2b7 > [ 8673.683065] [<ffffffff81041746>] ? run_timer_softirq+0x4f/0x1c9 > [ 8673.683067] [<ffffffff81240252>] sch_direct_xmit+0x5e/0x154 > [ 8673.683070] [<ffffffff81240404>] __qdisc_run+0xbc/0xd5 > [ 8673.683072] [<ffffffff8122fb19>] net_tx_action+0xbb/0x10e > [ 8673.683075] [<ffffffff8103dc16>] __do_softirq+0x91/0x11b > [ 8673.683078] [<ffffffff8100be9c>] call_softirq+0x1c/0x28 > [ 8673.683079] <EOI> [<ffffffff8100d907>] do_softirq+0x33/0x6b > [ 8673.683083] [<ffffffff8103d71e>] ksoftirqd+0x60/0xd7 > [ 8673.683085] [<ffffffff8103d6be>] ? ksoftirqd+0x0/0xd7 > [ 8673.683088] [<ffffffff8104aee7>] kthread+0x7a/0x82 > [ 8673.683090] [<ffffffff8100bd9a>] child_rip+0xa/0x20 > [ 8673.683093] [<ffffffff8104ae6d>] ? kthread+0x0/0x82 > [ 8673.683095] [<ffffffff8100bd90>] ? child_rip+0x0/0x20 > > Note that sometimes I get the receiver hang and things continue without > the crash: > > [ 1219.346571] sky2 eth0: receiver hang detected > [ 1219.351145] sky2 eth0: disabling interface > [ 1219.357389] sky2 eth0: enabling interface > [ 1222.572980] sky2 eth0: Link is up at 1000 Mbps, full duplex, flow > control both > > Please CC as I'm not subscribed. > > Thanks, > Berck Nash I can confirm a version of this happens - with a full Panic - as early as 2.6.25 (I have had the same machine collapse under a hack-attempt numerous times because of this) DRH > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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