Re: 8.0-SNAPSHOT200812 reversed locks

On Monday 05 January 2009 4:51:51 am Petr Holub wrote:
> Hi all,
> 
> after booting a 8.0-SNAPSHOT200812 DVD on my T61p and entering
> the fixit ``live'' mode, I've encountered the following
> messages about reversed locks:
> 
> DEBUG: ioctl(3, TIOCCONS, NULL) = 0 (success)
> DEBUG: MADT: Found CPU APIC ID 0 enabled
> DEBUG: MADT: Found CPU APIC ID 1 enabled
> lock order reversal:
>  1st 0xc6e43164 isofs (isofs) _at_ /usr/src/sys/kern/vfs_subr.c:2079
>  2nd 0xda8e7960 bufwait (bufwait) _at_ /usr/src/sys/kern/vfs_bio.c:2443
>  3rd 0xc6ed0488 isofs (isofs) _at_ /usr/src/sys/fs/cd9660/cd9660_vfsops.c:676
> KDB: stack backtrace:
> db_trace_self_wrapper(...) at db_trace_self_wrapper+0x26
> kdb_backtrace(...) at kdb_backtrace+0x29
> _witness_debugger(...) at _witness_debugger+0x25
> witness_checkorder(...) at witness_checkorder+0x839
> __lockmgr_args(...) at __lockmgr_args+0x797
> cd9660_vget_internal(...) at cd9660_vget_internal+0x118
> cd9660_lookup(...) at cd9660_lookup+0x73f
> VOP_CACHEDLOOKUP_APV(...) at VOP_CACHED_LOOKUP+0xa5
> vfs_cache_lookup(...) at vfs_cache_lookup+0xcc
> VOP_LOOKUP_APV(...) at VOP_LOOKUP_APV+0xa5
> lookup(...) at lookup+0x0x57e
> namei(...) at namei+0x04db
> kern_accessat(...) at kern_accessat+0x94
> kern_access(...) at kern_access+0x36
> access(...) at access+0x29
> syscall(c67d1d38) at syscall+0x2a3
> Xint0x80_syscall() at Xint0x80_syscall+0x20

This one should be fixed by the cd9660 changes today.

-- 
John Baldwin