Date: Sun, 29 Aug 2004 22:23:46 -0700 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: freebsd-current@freebsd.org, matthew.thyer@dsto.defence.gov.au Subject: Re: 5.3-BETA panic .... Message-ID: <20040830052346.GY29902@funkthat.com> In-Reply-To: <20040825201828.GR29902@funkthat.com> References: <20040825061706.GE9209@squirm.dsto.defence.gov.au> <20040825201828.GR29902@funkthat.com>
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John-Mark Gurney wrote this message on Wed, Aug 25, 2004 at 13:18 -0700:
> Wilkinson, Alex wrote this message on Wed, Aug 25, 2004 at 15:47 +0930:
> [...]
>
> Just a me too, but mine is from syslogd, and was through console device:
> System shutdown time has arrived^G^G^M
>
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0xdeadc136
> fault code = supervisor read, page not present
> instruction pointer = 0x8:0xc07665fa
> stack pointer = 0x10:0xd09717b0
> frame pointer = 0x10:0xd09717bc
> 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 = 267 (syslogd)
> [thread 100044]
> Stopped at commodem+0x12: movl 0x58(%eax),%ebx
> db> tr
> commodem(c19f0600,0,1,c17c1800,6) at commodem+0x12
> comhardclose(c17c1800) at comhardclose+0x6c
> sioopen(c1828300,6,2000,c17f7000,0) at sioopen+0x392
> spec_open(d097186c,d0971928,c06584bd,d097186c,80) at spec_open+0x2c4
> spec_vnoperate(d097186c) at spec_vnoperate+0x13
> vn_open_cred(d097196c,c08e2c18,0,c170d480,ffffffff) at vn_open_cred+0x431
> vn_open(d097196c,c08e2c18,0,ffffffff) at vn_open+0x1e
> cn_devopen(c08e2be0,c17f7000,0) at cn_devopen+0xac
> cnopen(c08af274,6,2000,c17f7000,0) at cnopen+0x41
> spec_open(d0971a74,d0971b30,c06584bd,d0971a74,80) at spec_open+0x2c4
> spec_vnoperate(d0971a74) at spec_vnoperate+0x13
> vn_open_cred(d0971be4,d0971ce4,0,c170d480,7) at vn_open_cred+0x431
> vn_open(d0971be4,d0971ce4,0,7,c08b24e0) at vn_open+0x1e
> kern_open(c17f7000,804f220,0,6,0) at kern_open+0xd2
> open(c17f7000,d0971d14,3,2,292) at open+0x18
> syscall(2f,2f,2f,7,bfbfdff0) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1f
> --- syscall (5, FreeBSD ELF32, open), eip = 0x280d358f, esp = 0xbfbfd9dc, ebp = 0xbfbfda58 ---
Just a bit more info about this... This is 100% reproducable on my
system.. It's a standard sio0 comconsole, and I just need to run
shutdown -r now from ttyd0 (the comconsole), and it panics.
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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