Re: panic: sbflush_internal: cc 4294966301 || mb 0 || mbcnt 0

From: Bruce M. Simpson <bms_at_FreeBSD.org>
Date: Wed, 14 Feb 2007 20:34:01 +0000
Florian C. Smeets wrote:
> i can trigger this kind of panic quite easily where running
> mldonkey-devel port and downloading something via BitTorrent.
>   

I just triggered this same panic with -CURRENT as of 1430 UTC today.

A ping(1) was backed up due to link layer problems; after I manually 
repatched to a different switch port, CTRL-C'ing the ping process 
triggered the panic:

a--- 192.168.123.ni18 ping statistic:cs ---
 sbflush_internal: cc 84 || mb 0 || mbcnt 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x3a
panic() at panic+0x1d5
sbflush_internal() at sbflush_internal+0x6a
sbrelease_internal() at sbrelease_internal+0x1c
sofree() at sofree+0x141
soclose() at soclose+0x380
soo_close() at soo_close+0x52
fdrop_locked() at fdrop_locked+0xe6
closef() at closef+0x366
fdfree() at fdfree+0x5ca
exit1() at exit1+0x34b
sys_exit() at sys_exit+0xe
syscall() at syscall+0x264
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x80092a79c, rsp =
          0x7ffffffee718, rbp = 0x7ffffffee8d0 ---

Regards,
BMS
Received on Wed Feb 14 2007 - 19:54:30 UTC

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