On Fri, 14 Sep 2007 09:25:52 -0700
Randy Dunlap <[email protected]> wrote:
> [adding netdev]
yup. I wonder if the net developers are setting CONFIG_DEBUG_LIST
> On Fri, 14 Sep 2007 10:08:03 -0400 Mathieu Desnoyers wrote:
>
> > Hi Andrew,
> >
> > My P4 is crashing about once a day, started with 2.6.23-rc4-mm1, with
> > errors that seems related to network code. Here is the latest BUG:
> > (sorry, my console log cuts it at 80 cols)
> >
> > Mathieu
> >
> > [ 4590.836342] list_add corruption. prev->next should be next (c1df4a10), but w
> > [ 4590.864914] ------------[ cut here ]------------
> > [ 4590.878687] Kernel BUG at c0263cbc [verbose debug info unavailable]
> > [ 4590.897389] invalid opcode: 0000 [#1] PREEMPT SMP
> > [ 4590.911721] last sysfs file: /block/sda/size
> > [ 4590.924453] Modules linked in: snd_hda_intel usbserial rtc pl2303 skge sky2
> > [ 4590.945324]
> > [ 4590.949752] Pid: 3283, comm: cc1 Not tainted (2.6.23-rc4-mm1-testssmp #334)
> > [ 4590.970525] EIP: 0060:[<c0263cbc>] EFLAGS: 00010082 CPU: 0
> > [ 4590.986895] EIP is at __list_add+0x5c/0x60
> > [ 4590.999111] EAX: 00000070 EBX: c2b3b4e8 ECX: 00000001 EDX: 00000203
> > [ 4591.017812] ESI: c2b3b4e8 EDI: 00000202 EBP: c3eb7b34 ESP: c3eb7b1c
> > [ 4591.036511] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 )
> > [ 4591.052621] Process cc1 (pid: 3283, ti=c3eb6000 task=c2073ea0 task.ti=c3eb60
> > [ 4591.073917] Stack: c04dcd50 c1df4a10 c2b3b4e8 c2b3b4e8 c05b3d00 00000006 c3e
> > [ 4591.098997] c1df49e0 c20a499c c3eb7b58 c03afdaf c20a499c c054d4e0 c05
> > [ 4591.149154] Call Trace:
> > [ 4591.156974] [<c010971a>] show_trace_log_lvl+0x1a/0x30
> > [ 4591.172332] [<c01097d8>] show_stack_log_lvl+0xa8/0xe0
> > [ 4591.187685] [<c01098da>] show_registers+0xca/0x250
> > [ 4591.202264] [<c0109b75>] die+0x115/0x280
> > [ 4591.214247] [<c0109d71>] do_trap+0x91/0xc0
> > [ 4591.226748] [<c010a119>] do_invalid_op+0x89/0xa0
> > [ 4591.240808] [<c0423e7a>] error_code+0x72/0x78
> > [ 4591.254091] [<c03aee41>] __napi_schedule+0x51/0xb0
> > [ 4591.268667] [<c03afdaf>] netif_rx+0x14f/0x160
> > [ 4591.281946] [<c02de090>] loopback_xmit+0x60/0x70
> > [ 4591.296006] [<c03b02fb>] dev_hard_start_xmit+0x22b/0x300
> > [ 4591.312142] [<c03b2695>] dev_queue_xmit+0x295/0x350
> > [ 4591.326979] [<c03ceaa9>] ip_output+0x199/0x330
> > [ 4591.340519] [<c03cdf96>] ip_queue_xmit+0x1c6/0x3e0
> > [ 4591.355104] [<c03dec4b>] tcp_transmit_skb+0x3db/0x770
> > [ 4591.370462] [<c03df9c3>] tcp_write_wakeup+0xf3/0x150
> > [ 4591.385562] [<c03e18fb>] tcp_send_probe0+0xb/0xe0
> > [ 4591.399885] [<c03e23dc>] tcp_write_timer+0x13c/0x720
> > [ 4591.414982] [<c013af80>] run_timer_softirq+0x120/0x190
> > [ 4591.430600] [<c0136d53>] __do_softirq+0x93/0x120
> > [ 4591.444662] [<c0136e85>] do_softirq+0xa5/0xb0
> > [ 4591.457943] [<c0137084>] irq_exit+0x54/0x60
> > [ 4591.470704] [<c010b425>] do_IRQ+0x45/0x80
> > [ 4591.482951] [<c0108fce>] common_interrupt+0x2e/0x34
> > [ 4591.497798] [<c016d791>] file_read_actor+0xe1/0x100
> > [ 4591.512641] [<c016e134>] do_generic_mapping_read+0x1f4/0x440
> > [ 4591.529815] [<c016fbfe>] generic_file_aio_read+0xbe/0x1c0
> > [ 4591.546217] [<c019138e>] do_sync_read+0xce/0x110
> > [ 4591.560282] [<c0191be4>] vfs_read+0x94/0x130
> > [ 4591.573310] [<c019212d>] sys_read+0x3d/0x70
> > [ 4591.586075] [<c0108596>] syscall_call+0x7/0xb
> > [ 4591.599357] =======================
> > [ 4591.610015] INFO: lockdep is turned off.
> > [ 4591.621713] Code: 5c 24 04 c7 04 24 00 cd 4d c0 e8 40 e1 ec ff 0f 0b eb fe 8
> > [ 4591.679092] EIP: [<c0263cbc>] __list_add+0x5c/0x60 SS:ESP 0068:c3eb7b1c
> > [ 4591.698884] Kernel panic - not syncing: Fatal exception in interrupt
We're doing NAPI stuff on the loopback device??
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