fxp0 and vlan panic
Randy Bush
randy at psg.com
Sat Mar 5 10:37:47 PST 2005
>>> Just for the record, and for people not reading CVS commit logs, I
>>> committed a fix for this a few days ago and I will make sure to MFC
>>> it in time for 5.4-RELEASE.
>>
>> might this give me some help on occasional but repeated fxp
>> crashes under load?
>>
>> Fatal trap 12: page fault while in kernel mode
>> fault virtual address = 0x80808517
>> fault code = supervisor read, page not present
>> instruction pointer = 0x8:0xc047d2d0
>> stack pointer = 0x10:0xd3f78c88
>> frame pointer = 0x10:0xd3f78cac
>> code segment = base 0x0, limit 0xfffff, type 0x1b
>> = DPL 0, pres 1, def32 1, gran 1
>> processor eflags = interrupt enabled, resume, IOPL = 0
>> current process = 15 (irq5: fxp0)
>> [thread pid 15 tid 100008 ]
>> Stopped at fxp_intr_body+0xd0: cmpw $0,0(%esi)
>> db> trace
>> Tracing pid 15 tid 100008 td 0xc155fb80
>> fxp_intr_body(c161a000,c161a000,40,ffffffff,c0630cb6) at fxp_intr_body+0xd0
>> fxp_intr(c161a000,0,0,0,0) at fxp_intr+0x141
>> ithread_loop(c1551a00,d3f78d48,0,0,0) at ithread_loop+0x1a8
>> fork_exit(c04da530,c1551a00,d3f78d48) at fork_exit+0x7f
>> fork_trampoline() at fork_trampoline+0x8
>> --- trap 0x1, eip = 0, esp = 0xd3f78d7c, ebp = 0 ---
>
> It probably won't help with that. Could I have you to get a system core
> for this crash and show me precisely where this happens with gdb -k ?
i wish. on most of my current systems lately, crashes don't leave
cores :-(
savecore: no dumps found
yet
# grep crash /etc/rc.conf
dumpdev="/dev/da0s1b" # Device name to crashdump to (or NO).
dumpdir="/var/crash" # Directory where crash dumps are to be stored
# df
Filesystem 1024-blocks Used Avail Capacity Mounted on
/dev/da0s1a 257998 89306 148054 38% /
devfs 1 1 0 100% /dev
/dev/da0s1e 64462 222 59084 0% /root
/dev/da0s1h 30829122 13978770 14384024 49% /usr
/dev/da0s1f 1032142 90670 858902 10% /var
/dev/da0s1g 1032142 93282 856290 10% /var/spool
procfs 4 4 0 100% /proc
/dev/md0 63214 10 58148 0% /tmp
randy
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