Date: Mon, 6 Nov 2006 00:47:01 +0800 From: "Rong-en Fan" <grafan@gmail.com> To: stable@freebsd.org Subject: panic when portupgrade in jail (devfs related?) Message-ID: <6eb82e0611050847i54d16638x89c428c9dffcc106@mail.gmail.com>
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Hi,
I'm running RELENG_6 as of yesterday on a amd64 box.
This host has one jail running, and everytime when I try
to run portupgrade inside the jail. It panics. INVARIANTS
does not catch anything. I don't think this happens on
RELENG_6 two months ago. The panic messages
and backtrace are shown:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0xfffffffe75b851b0
fault code = supervisor read, page not present
instruction pointer = 0x8:0xffffffff80231118
stack pointer = 0x10:0xffffffffb40a5860
frame pointer = 0x10:0xffffffffb40a5880
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 60200 (script)
[thread pid 60200 tid 100268 ]
Stopped at ptcclose+0x19: movq linesw(,%rdx,8),%rax
db> bt
Tracing pid 60200 tid 100268 td 0xffffff006c4ec720
ptcclose() at ptcclose+0x19
giant_close() at giant_close+0x5f
devfs_close() at devfs_close+0x28f
VOP_CLOSE_APV() at VOP_CLOSE_APV+0x6e
vn_close() at vn_close+0x90
vn_closefile() at vn_closefile+0x88
fdrop_locked() at fdrop_locked+0xa5
closef() at closef+0x35f
close() at close+0x173
syscall() at syscall+0x4a1
Xfast_syscall() at Xfast_syscall+0xa8
--- syscall (6, FreeBSD ELF64, close), rip = 0x800807f9c, rsp =
0x7fffffffdfa8, rbp = 0 ---
I put the box back to production. If anyone needs more information,
I can reproduce this panic and gather them in ddb. BTW, I used
'call doadump' in ddb, but after rebooting, savecore complains
there is no dump?
Regards,
Rong-En Fan
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