Re: tg3: transmit timed out, resetting
From: Christian Kujau
Date: Tue Jun 05 2012 - 12:57:47 EST
On Mon, 4 Jun 2012 at 16:14, Christian Kujau wrote:
> Hi,
>
> on this Ideapad S10 the onboard Broadcom BCM5906M prints the warning
> below, once. From then on, the "transmit timed out, resetting" message
> repeats, every now and then.
>
> This laptop is mounting 2 readonly NFS shares from a box in the same LAN
> and when scanning lots of files on these NFS shares, the transmit timeouts
> occur more often, I think. When there's sequential traffic (i.e. reading
> larger files from the NFS shares), fewer warnings occur. But this is just
> manual observation, I haven't been able to reproduce this reliably.
> However, there's constant traffic on the device (maybe ~700KB/s both tx
> and rx), so the messages occur pretty regularly.
>
> I have reported the error against the Fedora 17 kernel [0] but it happens
> with a vanilla 3.4.0 too[1] - check out for full dmesg, .config and more.
>
> I had a similar issue a while ago[2] and almost forgot about them. The
> laptop ran Ubuntu 10.04 (2.6.32) since then and the problem was gone, so
> I'd say 2.6.32 fixed it. Now the same laptop switched to Fedora, kernel
> 3.3.4 and the problem seems to be back again.
>
> I'll try running with sg=off, as Matt suggested in [3] and report back.
sg=off seems to help, no errors since I disabled it yesterday.
Any thoughts on this issue?
Christian.
> Thanks,
> Christian.
>
> [0] https://bugzilla.redhat.com/show_bug.cgi?id=825123
> [1] http://nerdbynature.de/bits/3.4.0/tg3/
> [2] http://lkml.indiana.edu/hypermail/linux/kernel/0906.1/00004.html
> [3] http://lkml.indiana.edu/hypermail/linux/kernel/0906.1/00317.html
>
> ------------[ cut here ]------------
> WARNING: at /opt/home/chrisk/dev/linux-2.6-git/net/sched/sch_generic.c:255
> dev_watchdog+0x1cc/0x1e0()
> Hardware name: Lenovo
> NETDEV WATCHDOG: p2p1 (tg3): transmit queue 0 timed out
> Modules linked in: acpi_cpufreq mperf freq_table nfs lockd sunrpc b43
> mac80211 cfg80211 ssb coretemp hwmon usb_storage [last unloaded: scsi_wait_scan]
> Pid: 685, comm: FahCore_78 Not tainted 3.4.0-10151-g4fc3acf #8
> Call Trace:
> [<c102b299>] ? warn_slowpath_common+0x79/0xb0
> [<c12d54ec>] ? dev_watchdog+0x1cc/0x1e0
> [<c12d54ec>] ? dev_watchdog+0x1cc/0x1e0
> [<c102b374>] ? warn_slowpath_fmt+0x34/0x40
> [<c12d54ec>] ? dev_watchdog+0x1cc/0x1e0
> [<c12d5320>] ? pfifo_fast_dequeue+0xe0/0xe0
> [<c1035cf1>] ? run_timer_softirq+0xd1/0x1d0
> [<c1031615>] ? __do_softirq+0x75/0x100
> [<c10315a0>] ? remote_softirq_receive+0x20/0x20
> <IRQ> [<c10318a6>] ? irq_exit+0x66/0x90
> [<c101b8d9>] ? smp_apic_timer_interrupt+0x59/0x90
> [<c1360b35>] ? apic_timer_interrupt+0x31/0x38
> [<c1360000>] ? rt_mutex_trylock+0x70/0x70
> ---[ end trace 9de668a859ee5d6c ]---
> tg3 0000:02:00.0: p2p1: transmit timed out, resetting
>
>
> --
> BOFH excuse #438:
>
> sticky bit has come loose
> --
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--
BOFH excuse #18:
excess surge protection
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