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Date: Sun, 14 Aug 2011 16:32:40 +0400
From: Sergey Matveychuk <sem@FreeBSD.org>
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Subject: Re: panic: m_uiotombuf: progress != total
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12.08.2011 20:55, Sergey Matveychuk wrote:
> Hi.
>
> Just after upgrade from 8.2 to 9.0 kernel panics:
>
> panic: m_uiotombuf: progress != total
> cpuid = 1
> KDB: enter: panic
> [ thread pid 1194 tid 100132 ]
> Stopped at kdb_enter+0x3b: movq $0,0x913242(%rip)
> db> bt
> Tracing pid 1194 tid 100132 td 0xfffffe0005c8f8c0
> kdb_enter() at kdb_enter+0x3b
> panic() at panic+0x180
> m_uiotombuf() at m_uiotombuf+0x142
> sosend_generic() at sosend_generic+0x2c8
> kern_sendit() at kern_sendit+0x191
> sendit() at sendit+0xdc
> sendmsg() at sendmsg+0x87
> syscallenter() at syscallenter+0x1aa
> syscall() at syscall+0x4c
> Xfast_syscall() at Xfast_syscall+0xdd
> --- syscall (28, FreeBSD ELF64, sendmsg), rip = 0x8019ad33c, rsp =
> 0x7fffffffd8f8, rbp = 0x7fffffffd930 ---

On glebius request, here is kernel.debug and core file:
http://semmy.ru/~sem/crash/