I've tried reporting this several times, this issue started with 2.6.24.
It randomly just stops transmitting or receiving after an oops.
This is from a fresh install of a 2.6.30.5 kernel.
[35883.804335] WARNING: at net/sched/sch_generic.c:226
dev_watchdog+0x24c/0x260()
[35883.804351] NETDEV WATCHDOG: eth0 (tulip): transmit timed out
[35883.804362] Modules linked in: tulip bitrev crc32
[35883.804383] Call Trace:
[35883.804406] [0000000000452308] warn_slowpath_fmt+0x28/0x40
[35883.804427] [000000000060420c] dev_watchdog+0x24c/0x260
[35883.804449] [000000000045c520] run_timer_softirq+0x180/0x200
[35883.804473] [00000000004577e8] __do_softirq+0xa8/0x180
[35883.804495] [000000000042a470] do_softirq+0x70/0xa0
[35883.804514] [0000000000457478] irq_exit+0x78/0xa0
[35883.804537] [000000000042f578] timer_interrupt+0x58/0xa0
[35883.804558] [00000000004209d4] tl0_irq14+0x14/0x20
[35883.804582] [00000000004398c8] touch_nmi_watchdog+0x8/0x40
[35883.804607] [000000000074e738] start_kernel+0x278/0x2b4
[35883.804633] [000000000065c344] tlb_fixup_done+0x80/0x9c
[35883.804648] [0000000000000000] (null)
[35883.804659] ---[ end trace 7e1dab9c687ff5bf ]---
[35883.806006] 0000:00:0c.0: tulip_stop_rxtx() failed (CSR5 0xfc508100
CSR6 0x20e0000)
[35891.801619] 0000:00:0c.0: tulip_stop_rxtx() failed (CSR5 0xfc508100
CSR6 0x20e0000)
[35899.797635] 0000:00:0c.0: tulip_stop_rxtx() failed (CSR5 0xfc508100
CSR6 0x20e0000)
[35907.793597] 0000:00:0c.0: tulip_stop_rxtx() failed (CSR5 0xfc508100
CSR6 0x20e0000)
[35915.789526] 0000:00:0c.0: tulip_stop_rxtx() failed (CSR5 0xfc508100
CSR6 0x20e0000)
[35923.785595] 0000:00:0c.0: tulip_stop_rxtx() failed (CSR5 0xfc508100
CSR6 0x20e0000)
Here's the error I got a long time ago with a 2.6.26 kernel
[ 6423.138199] ------------[ cut here ]------------
[ 6423.138230] WARNING: at net/sched/sch_generic.c:219
dev_watchdog+0x250/0x280()
[ 6423.138243] NETDEV WATCHDOG: eth0 (tulip): transmit timed out
[ 6423.138252] Modules linked in: openpromfs tulip
[ 6423.138268] Call Trace:
[ 6423.138285] [00000000005ecf10] dev_watchdog+0x250/0x280
[ 6423.138307] [000000000045f64c] run_timer_softirq+0x16c/0x1e0
[ 6423.138325] [000000000045ab7c] __do_softirq+0x5c/0xe0
[ 6423.138351] [000000000042e3f0] do_softirq+0x70/0xa0
[ 6423.138366] [000000000045a764] irq_exit+0x84/0xc0
[ 6423.138381] [000000000043327c] timer_interrupt+0x5c/0xc0
[ 6423.138400] [00000000004209d4] tl0_irq14+0x14/0x20
[ 6423.138414] [0000000000428040] cpu_idle+0x20/0xc0
[ 6423.138437] [000000000070c8bc] start_kernel+0x27c/0x2c0
[ 6423.138453] [0000000000643744] tlb_fixup_done+0x80/0x9c
[ 6423.138465] [0000000000000000] 0x0
[ 6423.138475] ---[ end trace f5f651c5dad2e555 ]---
Here's one from 2.6.28
[131219.643283] ------------[ cut here ]------------
[131219.643314] WARNING: at net/sched/sch_generic.c:219
dev_watchdog+0x250/0x280()
[131219.643327] NETDEV WATCHDOG: eth0 (tulip): transmit timed out
[131219.643337] Modules linked in: openpromfs tulip
[131219.643353] Call Trace:
[131219.643369] [00000000005ecf10] dev_watchdog+0x250/0x280
[131219.643392] [000000000045f64c] run_timer_softirq+0x16c/0x1e0
[131219.643409] [000000000045ab7c] __do_softirq+0x5c/0xe0
[131219.643435] [000000000042e3f0] do_softirq+0x70/0xa0
[131219.643450] [000000000045a764] irq_exit+0x84/0xc0
[131219.643466] [000000000043327c] timer_interrupt+0x5c/0xc0
[131219.643484] [00000000004209d4] tl0_irq14+0x14/0x20
[131219.643499] [0000000000428050] cpu_idle+0x30/0xc0
[131219.643522] [000000000070c8bc] start_kernel+0x27c/0x2c0
[131219.643538] [0000000000643744] tlb_fixup_done+0x80/0x9c
[131219.643550] [0000000000000000] 0x0
[131219.643560] ---[ end trace b95673019322adce ]---
[131219.644916] 0000:00:0c.0: tulip_stop_rxtx() failed (CSR5 0xfc508100
CSR6 0x20ec000)
[131227.640686] 0000:00:0c.0: tulip_stop_rxtx() failed (CSR5 0xfc508100
CSR6 0x20ec000)
Here are the other times I reported the issue.
http://kerneltrap.org/mailarchive/linux-net/2008/10/27/3818464
http://marc.info/?l=linux-sparc&m=123195048607500&w=2
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