Le dimanche 29 mai 2011 à 15:45 -0700, Andrew Morton a écrit :

(cc netdev)

On Sun, 29 May 2011 07:56:35 +0200 Robert Goldner [off-list ref] wrote:

quoted

Hi,

sometimes I got an Ooops while the system is starting:

[   15.824365] ------------[ cut here ]------------
[   15.824616] WARNING: at net/sched/sch_generic.c:256
dev_watchdog+0x1d6/0x1e0()
[   15.824868] Hardware name:
[   15.825098] NETDEV WATCHDOG: eth0 (sis900): transmit queue 0 timed out
[   15.825333] Modules linked in: coretemp qt1010 af9013 dvb_pll mt2060
dvb_usb_nova_t_usb2 dvb_usb_dibusb_common dib3000mc psmouse
dibx000_common pcspkr dvb_usb_af9015 ohci_hcd
[   15.829066] Pid: 1462, comm: startpar Not tainted 2.6.39-agathe #2
[   15.829301] Call Trace:
[   15.829534]  [<c103c79d>] warn_slowpath_common+0x6d/0xa0
[   15.829948]  [<c13ff216>] ? dev_watchdog+0x1d6/0x1e0
[   15.830183]  [<c13ff216>] ? dev_watchdog+0x1d6/0x1e0
[   15.830417]  [<c103c84e>] warn_slowpath_fmt+0x2e/0x30
[   15.830828]  [<c13ff216>] dev_watchdog+0x1d6/0x1e0
[   15.831241]  [<c104ecc8>] ? __queue_work+0xb8/0x300
[   15.831476]  [<c10048a8>] ? handle_irq+0x18/0x90
[   15.831889]  [<c1041bc7>] ? irq_exit+0x37/0x80
[   15.832127]  [<c10044f6>] ? do_IRQ+0x46/0xb0
[   15.832541]  [<c1080189>] ? rcu_start_gp+0x149/0x1d0
[   15.832954]  [<c1046a24>] run_timer_softirq+0xe4/0x200
[   15.833189]  [<c1041900>] ? local_bh_enable+0x80/0x80
[   15.833426]  [<c151ade9>] ? common_interrupt+0x29/0x30
[   15.833838]  [<c13ff040>] ? qdisc_reset+0x40/0x40
[   15.834250]  [<c1041978>] __do_softirq+0x78/0x100
[   15.834841]  [<c1041900>] ? local_bh_enable+0x80/0x80
[   15.835097]  <IRQ>  [<c1041bfe>] ? irq_exit+0x6e/0x80
[   15.835188]  [<c1019dc6>] ? smp_apic_timer_interrupt+0x56/0x90
[   15.835247]  [<c151a46a>] ? apic_timer_interrupt+0x2a/0x30
[   15.835305]  [<c151a168>] ? resume_userspace+0x14/0x14
[   15.835360] ---[ end trace 519c5412e162986a ]---


The level of pain is very low, because the system is still running very
well.

If somebody needs some more information, please let me know.

Which net device driver is being used?

Seems to be sis900

Maybe its TX_TIMEOUT is too low.

Robert, is your NIC in full or half duplex mode ?