Hi Uwe, we don't reproduce the error with a non-tainted kernel. We have three computers (same configuration), one with non-tainted kernel and others with tainted kernel (nvidia module). One this get the next error, Oct 8 21:47:50 tid31 kernel: [38901.704013] ------------[ cut here ]------------ Oct 8 21:47:50 tid31 kernel: [38901.704016] WARNING: at net/sched/sch_generic.c:230 dev_watchdog+0x24c/0x260() Oct 8 21:47:50 tid31 kernel: [38901.704018] Hardware name: System Product Name Oct 8 21:47:50 tid31 kernel: [38901.704020] NETDEV WATCHDOG: eth0 (e1000): transmit timed out Oct 8 21:47:50 tid31 kernel: [38901.704021] Modules linked in: nls_utf8 cifs nls_base nvidia(P) vboxnetadp vboxnetflt vboxdrv autofs4 ipv6 ext4 jbd2 crc16 coretemp it87 hwmon_vid firewire_sbp2 loop snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc pcspkr evdev i2c_nforce2 i2c_core button ext3 jbd mbcache sd_mod crc_t10dif ide_gd_mod ide_pci_generic amd74xx ide_core usbhid hid firewire_ohci firewire_core sata_nv ahci ata_generic forcedeth crc_itu_t e1000 libata ehci_hcd ohci_hcd scsi_mod thermal processor fan thermal_sys [last unloaded: scsi_wait_scan] Oct 8 21:47:50 tid31 kernel: [38901.704066] Pid: 5, comm: sirq-timer/0 Tainted: P 2.6.29.6-rt23 #3 Oct 8 21:47:50 tid31 kernel: [38901.704068] Call Trace: Oct 8 21:47:50 tid31 kernel: [38901.704073] [<ffffffff8024569a>] ? warn_slowpath+0xea/0x160 Oct 8 21:47:50 tid31 kernel: [38901.704076] [<ffffffff8047a000>] ? ip_reply_glue_bits+0x50/0x60 Oct 8 21:47:50 tid31 kernel: [38901.704078] [<ffffffff8047acfa>] ? ip_push_pending_frames+0x3ca/0x490 Oct 8 21:47:50 tid31 kernel: [38901.704081] [<ffffffff8045568a>] ? __neigh_event_send+0x5a/0x230 Oct 8 21:47:50 tid31 kernel: [38901.704083] [<ffffffff80457524>] ? neigh_resolve_output+0x1c4/0x360 Oct 8 21:47:50 tid31 kernel: [38901.704085] [<ffffffff8047b266>] ? ip_queue_xmit+0x246/0x470 Oct 8 21:47:50 tid31 kernel: [38901.704088] [<ffffffff80475e6e>] ? ip_route_output_flow+0x7e/0x2d0 Oct 8 21:47:50 tid31 kernel: [38901.704090] [<ffffffff80238d39>] ? pick_next_highest_task_rt+0xb9/0xe0 Oct 8 21:47:50 tid31 kernel: [38901.704093] [<ffffffff8023a20d>] ? enqueue_task_rt+0x11d/0x2e0 Oct 8 21:47:50 tid31 kernel: [38901.704096] [<ffffffff802a61b5>] ? perf_counter_task_sched_in+0x65/0x210 Oct 8 21:47:50 tid31 kernel: [38901.704099] [<ffffffff8037dab1>] ? strlcpy+0x41/0x50 Oct 8 21:47:50 tid31 kernel: [38901.704101] [<ffffffff8046348c>] ? dev_watchdog+0x24c/0x260 Oct 8 21:47:50 tid31 kernel: [38901.704104] [<ffffffff804d4d96>] ? thread_return+0x3c/0x6e6 Oct 8 21:47:50 tid31 kernel: [38901.704106] [<ffffffff80463240>] ? dev_watchdog+0x0/0x260 Oct 8 21:47:50 tid31 kernel: [38901.704109] [<ffffffff8025058c>] ? run_timer_softirq+0x1ac/0x2f0 Oct 8 21:47:50 tid31 kernel: [38901.704111] [<ffffffff8024acea>] ? ksoftirqd+0x18a/0x300 Oct 8 21:47:50 tid31 kernel: [38901.704113] [<ffffffff8024ab60>] ? ksoftirqd+0x0/0x300 Oct 8 21:47:50 tid31 kernel: [38901.704116] [<ffffffff8024ab60>] ? ksoftirqd+0x0/0x300 Oct 8 21:47:50 tid31 kernel: [38901.704118] [<ffffffff8025cc17>] ? kthread+0x47/0x90 Oct 8 21:47:50 tid31 kernel: [38901.704121] [<ffffffff8020d04a>] ? child_rip+0xa/0x20 Oct 8 21:47:50 tid31 kernel: [38901.704123] [<ffffffff8025cbd0>] ? kthread+0x0/0x90 Oct 8 21:47:50 tid31 kernel: [38901.704125] [<ffffffff8020d040>] ? child_rip+0x0/0x20 Oct 8 21:47:50 tid31 kernel: [38901.704126] ---[ end trace 8cd1cec32dafbb04 ]--- We come back to 2.6.29.5-rt22. Thanks. Regards, -- jose angel ----- "Uwe Kleine-König" <u.kleine-koenig@xxxxxxxxxxxxxx> wrote: > Hello, > > On Mon, Oct 05, 2009 at 08:52:01PM +0200, Jose Angel Martinez Conde > wrote: > > > > Sep 27 13:22:11 tid31 kernel: [ 1905.704018] ------------[ cut here > ]------------ > > Sep 27 13:22:11 tid31 kernel: [ 1905.704023] WARNING: at > net/sched/sch_generic.c:230 dev_watchdog+0x24c/0x260() > > Sep 27 13:22:11 tid31 kernel: [ 1905.704025] Hardware name: System > Product Name > > Sep 27 13:22:11 tid31 kernel: [ 1905.704026] NETDEV WATCHDOG: eth1 > (e1000): transmit timed out > > Sep 27 13:22:11 tid31 kernel: [ 1905.704027] Modules linked in: > nls_utf8 sg sr_mod cdrom usb_storage isofs udf nls_base i2c_dev > nvidia(P) ipv6 firewire_sbp2 loop snd_hda_codec_realtek snd_hda_intel > snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm > snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event > snd_seq snd_timer snd_seq_device snd pcspkr soundcore snd_page_alloc > i2c_nforce2 evdev i2c_core button ext3 jbd mbcache sd_mod crc_t10dif > ide_gd_mod ide_pci_generic amd74xx ide_core usbhid hid firewire_ohci > firewire_core sata_nv ahci ata_generic crc_itu_t e1000 libata ohci_hcd > ehci_hcd scsi_mod thermal processor fan thermal_sys [last unloaded: > nvidia] > > Sep 27 13:22:11 tid31 kernel: [ 1905.704074] Pid: 5, comm: > sirq-timer/0 Tainted: P 2.6.29.6-rt23 #1 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704076] Call Trace: > > Sep 27 13:22:11 tid31 kernel: [ 1905.704081] [<ffffffff8024587a>] ? > warn_slowpath+0xea/0x160 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704258] [<ffffffffa109cd77>] ? > _nv005972rm+0x1f/0x27 [nvidia] > > Sep 27 13:22:11 tid31 kernel: [ 1905.704378] [<ffffffffa105eda4>] ? > _nv012325rm+0x3f/0x54 [nvidia] > > Sep 27 13:22:11 tid31 kernel: [ 1905.704490] [<ffffffffa109cd77>] ? > _nv005972rm+0x1f/0x27 [nvidia] > > Sep 27 13:22:11 tid31 kernel: [ 1905.704499] [<ffffffff80238bf9>] ? > pick_next_highest_task_rt+0xb9/0xe0 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704501] [<ffffffff8023a0bf>] ? > enqueue_task_rt+0x11f/0x2e0 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704504] [<ffffffff8037f9f1>] ? > strlcpy+0x41/0x50 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704506] [<ffffffff8046712c>] ? > dev_watchdog+0x24c/0x260 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704508] [<ffffffff80238210>] ? > activate_task+0x20/0x30 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704511] [<ffffffff80240a16>] ? > try_to_wake_up+0x186/0x2b0 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704515] [<ffffffff8025044b>] ? > cascade+0x7b/0xa0 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704517] [<ffffffff80466ee0>] ? > dev_watchdog+0x0/0x260 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704519] [<ffffffff8025094c>] ? > run_timer_softirq+0x1ac/0x2f0 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704522] [<ffffffff8024b0aa>] ? > ksoftirqd+0x18a/0x300 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704524] [<ffffffff8024af20>] ? > ksoftirqd+0x0/0x300 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704526] [<ffffffff8024af20>] ? > ksoftirqd+0x0/0x300 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704529] [<ffffffff8025d017>] ? > kthread+0x47/0x90 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704531] [<ffffffff8020d04a>] ? > child_rip+0xa/0x20 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704533] [<ffffffff8025cfd0>] ? > kthread+0x0/0x90 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704535] [<ffffffff8020d040>] ? > child_rip+0x0/0x20 > > Sep 27 13:22:11 tid31 kernel: [ 1905.704537] ---[ end trace > c3aee9954334308d ]--- > Can you please reproduce with a non-tainted kernel? I.e. don't load > the > nvidia module. > > Best regards > Uwe > > -- > Pengutronix e.K. | Uwe Kleine-König > | > Industrial Linux Solutions | > http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html