It seems that this bug also affects Ubuntu 10.10.
$ uname -a Linux ubuntu 2.6.35-22-generic #34-Ubuntu SMP Sun Oct 10 09:24:00 UTC 2010 i686 GNU/Linux
This is the output from /var/log/messages :
Oct 14 18:07:14 ubuntu kernel: [ 77.054544] lo: Disabled Privacy Extensions Oct 14 18:13:49 ubuntu kernel: [ 471.919115] lo: Disabled Privacy Extensions Oct 14 18:19:40 ubuntu kernel: [ 823.004036] ------------[ cut here ]------------ Oct 14 18:19:40 ubuntu kernel: [ 823.004058] WARNING: at /build/buildd/linux-2.6.35/net/sched/sch_generic.c:258 dev_watchdog+0x1fd/0x210() Oct 14 18:19:40 ubuntu kernel: [ 823.004063] Hardware name: KT600-8237 Oct 14 18:19:40 ubuntu kernel: [ 823.004065] NETDEV WATCHDOG: eth0 (via-rhine): transmit queue 0 timed out Oct 14 18:19:40 ubuntu kernel: [ 823.004068] Modules linked in: binfmt_misc snd_via82xx gameport snd_ac97_codec radeon ac97_bus xfs snd_pcm snd_page_alloc snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event exportfs snd_seq drm_kms_helper snd_timer snd_seq_device uvcvideo ppdev drm snd videodev psmouse v4l1_compat via_agp i2c_viapro soundcore serio_raw i2c_algo_bit parport_pc shpchp agpgart lp parport via_rhine floppy pata_via sata_via mii Oct 14 18:19:40 ubuntu kernel: [ 823.004116] Pid: 0, comm: swapper Not tainted 2.6.35-22-generic #34-Ubuntu Oct 14 18:19:40 ubuntu kernel: [ 823.004119] Call Trace: Oct 14 18:19:40 ubuntu kernel: [ 823.004134] [<c014ac52>] warn_slowpath_common+0x72/0xa0 Oct 14 18:19:40 ubuntu kernel: [ 823.004140] [<c050e61d>] ? dev_watchdog+0x1fd/0x210 Oct 14 18:19:40 ubuntu kernel: [ 823.004145] [<c050e61d>] ? dev_watchdog+0x1fd/0x210 Oct 14 18:19:40 ubuntu kernel: [ 823.004151] [<c014ad23>] warn_slowpath_fmt+0x33/0x40 Oct 14 18:19:40 ubuntu kernel: [ 823.004156] [<c050e61d>] dev_watchdog+0x1fd/0x210 Oct 14 18:19:40 ubuntu kernel: [ 823.004163] [<c017597e>] ? tick_program_event+0x2e/0x40 Oct 14 18:19:40 ubuntu kernel: [ 823.004169] [<c0169fde>] ? hrtimer_interrupt+0x1ae/0x2a0 Oct 14 18:19:40 ubuntu kernel: [ 823.004174] [<c050e420>] ? dev_watchdog+0x0/0x210 Oct 14 18:19:40 ubuntu kernel: [ 823.004180] [<c0157e1f>] call_timer_fn+0x2f/0xf0 Oct 14 18:19:40 ubuntu kernel: [ 823.004185] [<c0159064>] run_timer_softirq+0x104/0x210 Oct 14 18:19:40 ubuntu kernel: [ 823.004191] [<c017509c>] ? tick_handle_oneshot_broadcast+0x12c/0x140 Oct 14 18:19:40 ubuntu kernel: [ 823.004196] [<c050e420>] ? dev_watchdog+0x0/0x210 Oct 14 18:19:40 ubuntu kernel: [ 823.004204] [<c015127c>] __do_softirq+0x9c/0x1b0 Oct 14 18:19:40 ubuntu kernel: [ 823.004212] [<c01a7df4>] ? handle_IRQ_event+0x44/0x150 Oct 14 18:19:40 ubuntu kernel: [ 823.004217] [<c01a7f64>] ? irq_to_desc+0x14/0x20 Oct 14 18:19:40 ubuntu kernel: [ 823.004223] [<c01ab4e9>] ? move_native_irq+0x19/0x50 Oct 14 18:19:40 ubuntu kernel: [ 823.004228] [<c01513d5>] do_softirq+0x45/0x50 Oct 14 18:19:40 ubuntu kernel: [ 823.004233] [<c0151545>] irq_exit+0x65/0x70 Oct 14 18:19:40 ubuntu kernel: [ 823.004239] [<c05cf6d5>] do_IRQ+0x55/0xc0 Oct 14 18:19:40 ubuntu kernel: [ 823.004245] [<c016bf14>] ? sched_clock_local+0xa4/0x180 Oct 14 18:19:40 ubuntu kernel: [ 823.004251] [<c0103630>] common_interrupt+0x30/0x38 Oct 14 18:19:40 ubuntu kernel: [ 823.004262] [<c03bf2d0>] ? acpi_idle_enter_simple+0xf4/0x12d Oct 14 18:19:40 ubuntu kernel: [ 823.004271] [<c04d299a>] cpuidle_idle_call+0x7a/0x100 Oct 14 18:19:40 ubuntu kernel: [ 823.004276] [<c0101fcc>] cpu_idle+0x8c/0xd0 Oct 14 18:19:40 ubuntu kernel: [ 823.004282] [<c05b2441>] rest_init+0x71/0x80 Oct 14 18:19:40 ubuntu kernel: [ 823.004290] [<c081981a>] start_kernel+0x36e/0x374 Oct 14 18:19:40 ubuntu kernel: [ 823.004295] [<c08199dd>] ? pass_all_bootoptions+0x0/0xa Oct 14 18:19:40 ubuntu kernel: [ 823.004300] [<c08190d7>] i386_start_kernel+0xd7/0xdf Oct 14 18:19:40 ubuntu kernel: [ 823.004304] ---[ end trace 178065f67c52b3fa ]--- Oct 14 18:19:40 ubuntu kernel: [ 823.004449] eth0: Transmit timed out, status 0000, PHY status 786d, resetting... Oct 14 18:19:40 ubuntu kernel: [ 823.005147] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
It seems that this bug also affects Ubuntu 10.10.
$ uname -a
Linux ubuntu 2.6.35-22-generic #34-Ubuntu SMP Sun Oct 10 09:24:00 UTC 2010 i686 GNU/Linux
This is the output from /var/log/messages :
Oct 14 18:07:14 ubuntu kernel: [ 77.054544] lo: Disabled Privacy Extensions buildd/ linux-2. 6.35/net/ sched/sch_ generic. c:258 dev_watchdog+ 0x1fd/0x210( ) common+ 0x72/0xa0 0x1fd/0x210 0x1fd/0x210 fmt+0x33/ 0x40 0x1fd/0x210 event+0x2e/ 0x40 interrupt+ 0x1ae/0x2a0 0x0/0x210 fn+0x2f/ 0xf0 softirq+ 0x104/0x210 oneshot_ broadcast+ 0x12c/0x140 0x0/0x210 0x9c/0x1b0 IRQ_event+ 0x44/0x150 desc+0x14/ 0x20 irq+0x19/ 0x50 0x45/0x50 local+0xa4/ 0x180 interrupt+ 0x30/0x38 enter_simple+ 0xf4/0x12d idle_call+ 0x7a/0x100 0x36e/0x374 bootoptions+ 0x0/0xa kernel+ 0xd7/0xdf
Oct 14 18:13:49 ubuntu kernel: [ 471.919115] lo: Disabled Privacy Extensions
Oct 14 18:19:40 ubuntu kernel: [ 823.004036] ------------[ cut here ]------------
Oct 14 18:19:40 ubuntu kernel: [ 823.004058] WARNING: at /build/
Oct 14 18:19:40 ubuntu kernel: [ 823.004063] Hardware name: KT600-8237
Oct 14 18:19:40 ubuntu kernel: [ 823.004065] NETDEV WATCHDOG: eth0 (via-rhine): transmit queue 0 timed out
Oct 14 18:19:40 ubuntu kernel: [ 823.004068] Modules linked in: binfmt_misc snd_via82xx gameport snd_ac97_codec radeon ac97_bus xfs snd_pcm snd_page_alloc snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event exportfs snd_seq drm_kms_helper snd_timer snd_seq_device uvcvideo ppdev drm snd videodev psmouse v4l1_compat via_agp i2c_viapro soundcore serio_raw i2c_algo_bit parport_pc shpchp agpgart lp parport via_rhine floppy pata_via sata_via mii
Oct 14 18:19:40 ubuntu kernel: [ 823.004116] Pid: 0, comm: swapper Not tainted 2.6.35-22-generic #34-Ubuntu
Oct 14 18:19:40 ubuntu kernel: [ 823.004119] Call Trace:
Oct 14 18:19:40 ubuntu kernel: [ 823.004134] [<c014ac52>] warn_slowpath_
Oct 14 18:19:40 ubuntu kernel: [ 823.004140] [<c050e61d>] ? dev_watchdog+
Oct 14 18:19:40 ubuntu kernel: [ 823.004145] [<c050e61d>] ? dev_watchdog+
Oct 14 18:19:40 ubuntu kernel: [ 823.004151] [<c014ad23>] warn_slowpath_
Oct 14 18:19:40 ubuntu kernel: [ 823.004156] [<c050e61d>] dev_watchdog+
Oct 14 18:19:40 ubuntu kernel: [ 823.004163] [<c017597e>] ? tick_program_
Oct 14 18:19:40 ubuntu kernel: [ 823.004169] [<c0169fde>] ? hrtimer_
Oct 14 18:19:40 ubuntu kernel: [ 823.004174] [<c050e420>] ? dev_watchdog+
Oct 14 18:19:40 ubuntu kernel: [ 823.004180] [<c0157e1f>] call_timer_
Oct 14 18:19:40 ubuntu kernel: [ 823.004185] [<c0159064>] run_timer_
Oct 14 18:19:40 ubuntu kernel: [ 823.004191] [<c017509c>] ? tick_handle_
Oct 14 18:19:40 ubuntu kernel: [ 823.004196] [<c050e420>] ? dev_watchdog+
Oct 14 18:19:40 ubuntu kernel: [ 823.004204] [<c015127c>] __do_softirq+
Oct 14 18:19:40 ubuntu kernel: [ 823.004212] [<c01a7df4>] ? handle_
Oct 14 18:19:40 ubuntu kernel: [ 823.004217] [<c01a7f64>] ? irq_to_
Oct 14 18:19:40 ubuntu kernel: [ 823.004223] [<c01ab4e9>] ? move_native_
Oct 14 18:19:40 ubuntu kernel: [ 823.004228] [<c01513d5>] do_softirq+
Oct 14 18:19:40 ubuntu kernel: [ 823.004233] [<c0151545>] irq_exit+0x65/0x70
Oct 14 18:19:40 ubuntu kernel: [ 823.004239] [<c05cf6d5>] do_IRQ+0x55/0xc0
Oct 14 18:19:40 ubuntu kernel: [ 823.004245] [<c016bf14>] ? sched_clock_
Oct 14 18:19:40 ubuntu kernel: [ 823.004251] [<c0103630>] common_
Oct 14 18:19:40 ubuntu kernel: [ 823.004262] [<c03bf2d0>] ? acpi_idle_
Oct 14 18:19:40 ubuntu kernel: [ 823.004271] [<c04d299a>] cpuidle_
Oct 14 18:19:40 ubuntu kernel: [ 823.004276] [<c0101fcc>] cpu_idle+0x8c/0xd0
Oct 14 18:19:40 ubuntu kernel: [ 823.004282] [<c05b2441>] rest_init+0x71/0x80
Oct 14 18:19:40 ubuntu kernel: [ 823.004290] [<c081981a>] start_kernel+
Oct 14 18:19:40 ubuntu kernel: [ 823.004295] [<c08199dd>] ? pass_all_
Oct 14 18:19:40 ubuntu kernel: [ 823.004300] [<c08190d7>] i386_start_
Oct 14 18:19:40 ubuntu kernel: [ 823.004304] ---[ end trace 178065f67c52b3fa ]---
Oct 14 18:19:40 ubuntu kernel: [ 823.004449] eth0: Transmit timed out, status 0000, PHY status 786d, resetting...
Oct 14 18:19:40 ubuntu kernel: [ 823.005147] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1