Date: Sat, 5 Mar 2005 08:37:44 -1000 From: Randy Bush <randy@psg.com> To: Maxime Henrion <mux@FreeBSD.org> Cc: freebsd-current@freebsd.org Subject: Re: fxp0 and vlan panic Message-ID: <16937.64632.277343.646373@roam.psg.com> References: <1107887237.793.26.camel@buffy.york.ac.uk> <20050226120253.O87543@ury.york.ac.uk> <20050305020343.GO31320@elvis.mu.org> <16937.62150.818165.837486@roam.psg.com> <20050305182751.GQ31320@elvis.mu.org>
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>>> 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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