Datty wrote:
Hi all,
I have an issue with a remote server that keeps losing access to the
network. I've managed to replicate the issue by pulling a large file
from the server at full speed (100mbit). It will cut out during the file
copy and the log will show the following:
Oct 17 17:47:26 eric kernel: WARNING: at net/sched/sch_generic.c:256
dev_watchdog+0x251/0x260()
Oct 17 17:47:26 eric kernel: Hardware name: KS
Oct 17 17:47:26 eric kernel: NETDEV WATCHDOG: eth0 (sis900): transmit
queue 0 timed out
Oct 17 17:47:26 eric kernel: Modules linked in: tun
Oct 17 17:47:26 eric kernel: Pid: 0, comm: swapper/0 Not tainted
3.4.9-gentoo-gnu-dat #7
Oct 17 17:47:26 eric kernel: Call Trace:
Oct 17 17:47:26 eric kernel: <IRQ> [<ffffffff810370db>] ?
warn_slowpath_common+0x7b/0xc0
Oct 17 17:47:26 eric kernel: [<ffffffff810371d5>] ?
warn_slowpath_fmt+0x45/0x50
Oct 17 17:47:26 eric kernel: [<ffffffff81217f81>] ? timerqueue_del+0x31/0x90
Oct 17 17:47:26 eric kernel: [<ffffffff8131a791>] ? dev_watchdog+0x251/0x260
Oct 17 17:47:26 eric kernel: [<ffffffff81042936>] ?
run_timer_softirq+0x126/0x250
Oct 17 17:47:26 eric kernel: [<ffffffff8131a540>] ? qdisc_reset+0x40/0x40
Oct 17 17:47:26 eric kernel: [<ffffffff810573ad>] ?
hrtimer_run_queues+0x5d/0x150
Oct 17 17:47:26 eric kernel: [<ffffffff8103d178>] ? __do_softirq+0x98/0x120
Oct 17 17:47:26 eric kernel: [<ffffffff8141e3fc>] ? call_softirq+0x1c/0x30
Oct 17 17:47:26 eric kernel: [<ffffffff8100d065>] ? do_softirq+0x65/0xa0
Oct 17 17:47:26 eric kernel: [<ffffffff8103d47e>] ? irq_exit+0x8e/0xb0
Oct 17 17:47:26 eric kernel: [<ffffffff81023ce8>] ?
smp_apic_timer_interrupt+0x68/0xa0
Oct 17 17:47:26 eric kernel: [<ffffffff8141dc8a>] ?
apic_timer_interrupt+0x6a/0x70
Oct 17 17:47:26 eric kernel: <EOI> [<ffffffff81060435>] ?
sched_clock_local+0x15/0x80
Oct 17 17:47:26 eric kernel: [<ffffffff81012c78>] ? mwait_idle+0x58/0x80
Oct 17 17:47:26 eric kernel: [<ffffffff810136b6>] ? cpu_idle+0x56/0xa0
Oct 17 17:47:26 eric kernel: [<ffffffff815b4ae9>] ? start_kernel+0x2c6/0x2d1
Oct 17 17:47:26 eric kernel: [<ffffffff815b459a>] ?
repair_env_string+0x5c/0x5c
Oct 17 17:47:26 eric kernel: [<ffffffff815b441e>] ?
x86_64_start_kernel+0x104/0x113
Oct 17 17:47:26 eric kernel: ---[ end trace 50e815f551bee4ac ]---
Oct 17 17:47:26 eric kernel: eth0: Transmit timeout, status 00000005
00000000
Oct 17 17:47:34 eric kernel: eth0: Transmit timeout, status 00000005
00000000
Oct 17 17:47:42 eric kernel: eth0: Transmit timeout, status 00000005
00000000
Oct 17 17:47:50 eric kernel: eth0: Transmit timeout, status 00000005
00000000
Oct 17 17:47:58 eric kernel: eth0: Transmit timeout, status 00000005
00000000
As it is remote I have to hard reboot it at this point to get anything
more out of it, something that I'm not too keen on doing too often.
From that I can work out there seems to be an issue with the sis900
card but where to go from here I'm not sure on.
Any help would be greatly appreciated
I would suggest that you upgrade to 3.4.14 then, if it still occurs,
re-open the following bug (which appears to be related):
https://bugzilla.kernel.org/show_bug.cgi?id=20092
Elsewhere, this was reported as a regression between Ubuntu 9.10 and
10.04 which might help to pinpoint where things went wrong in the
mainline kernel. Not that Ubuntu's lame bug resolution process has shed
any further light on the matter. See also:
http://www.alsvartr.de/?p=1104
--Kerin
