[issue715] panic at shutdown using comconsole

[Thomas Nikolajsen]

> Matthew Dillon <dillon at apollo.backplane.com> added the comment:
> 
> :New crash dump using HEAD of Feb 12, 2009.
> :
>     What is the panic message / backtrace ?

See below, it's also attached as file in the bug tool.

 -thomas
-
panic: VOP_STDCLOSE: BAD OPENCOUNT 0xe992fd68 0 type=8 ops=0xc0388ba0 flgs=00005008

mp_lock = 00000002; cpuid = 2
Trace beginning at frame 0xe8d8b880
panic(e8d8b8a4,e992fd68,c40ae978,0,e8d8b8b8) at panic+0x14d
panic(c035a718,e992fd68,0,8,c0388ba0) at panic+0x14d
vop_stdclose(e8d8b8f8,e8d8b8f8,e8f0d218,e992fd68,e8d8b8e0) at vop_stdclose+0x26
spec_close(e8d8b8f8,e992fd68,e8d8b8ec,c02bc287,e8d8b8f8) at spec_close+0x12b
ufsspec_close(e8d8b8f8,e8d8b918,c01faf8e,e8d8b8f8,c03889f0) at ufsspec_close+0x24
ufs_vnoperatespec(e8d8b8f8,c03889f0,d3beb4f0,20002,e8d8b920) at ufs_vnoperatespec+0x11
vop_close(d3beb4f0,e992fd68,3,e992fd68,10) at vop_close+0x26
cttyclose(e8d8b94c,c037ac30,c40a9fc8,3,2000) at cttyclose+0xbf
dev_dclose(c40a9fc8,3,2000,e992eaa8,e8d8b9a8) at dev_dclose+0x29
spec_close(e8d8b9a8,0,e8d8b99c,c02bc287,e8d8b9a8) at spec_close+0xbd
ufsspec_close(e8d8b9a8,e8d8b9c8,c01faf8e,e8d8b9a8,c03889f0) at ufsspec_close+0x24
ufs_vnoperatespec(e8d8b9a8,c03889f0,d3beb4f0,e8d8b9cc,c01f9cc2) at ufs_vnoperatespec+0x11
vop_close(d3beb4f0,e992eaa8,3,e90c3d80,e90c3dc0) at vop_close+0x26
vn_close(e992eaa8,3,e90c3d80,e8d8ba24,c01904aa) at vn_close+0x2a
vn_closefile(e90c3d80,c030e6e3,e91d984c,c030e21c,802c7415) at vn_closefile+0x1e
fdrop(e90c3d80) at fdrop+0xfa
closef(e90c3d80,e8ded100) at closef+0x135
fdfree(e8f0d218,e8f0d310,e8f59ef0,802c7415,e8d8bc1c) at fdfree+0x2c7
exit1(1,e8d8bae0,c0388a20,d3beb4f0,c01fbec8) at exit1+0x19e
sigexit(e8f59ef0,1) at sigexit+0x616
postsig(1,e8f0d218,1,0,0) at postsig+0x111
userret(6,1500d,0,e8f0d218,c03780e4) at userret+0x129
syscall2(e8d8bd40) at syscall2+0x332
Xint0x80_syscall() at Xint0x80_syscall+0x36