Date: 02 Dec 2006 19:15:37 +0100 From: "Arno J. Klaassen" <arno@heho.snv.jussieu.fr> To: freebsd-stable@freebsd.org Subject: witness_checkorder panic Message-ID: <wpslfyi2pi.fsf@heho.labo>
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Hello, I just got this on a box I'm testing before installation. It has clean RELENG_6 from about two weeks ago with only some small if_bge.c-patches Bruce Evans sent me for testing performance/hang problems. Since I doubt this panic is related to that, I just post it here in case someone is interested in more info : [sorry, no serial console attached ... just copy-paste from screen, but I will leave the box in the debugger for the WE ] struct mount mtx (struct mount mtx) @ /files/bsd/src6/sys/ufs/ufs/ufs_vnops.c:138 KDB: stack backtrace : witness_checkorder() _mtx_lock_flags() ufs_itimes() ufs_getattr() VOP_GETATTR_APV() filt_vfsread() knote() VOP_WRITE_APV() vn_write() dofilewrite() kern_writev() write() syscall() Xfast_syscall() --- syscall (4, FreeBSD ELF64, write), rip = 0x4363dc, rsp = 0X7fffffffdd78, rbp = 0x2f6 --- KDB: enter: witness_checkorder [thread pid 3987 tid 100133 ] Kernel config is stripped GENERIC + options AHC_ALLOW_MEMIO options TCP_DROP_SYNFIN options KDB options KDB_TRACE options DDB options KTRACE options INVARIANTS options INVARIANT_SUPPORT options DDB_NUMSYM options BREAK_TO_DEBUGGER options INVARIANTS options INVARIANT_SUPPORT options WITNESS options WITNESS_KDB options DEBUG_LOCKS options DEBUG_VFS_LOCKS options DIAGNOSTIC options MUTEX_PROFILING options MUTEX_DEBUG options SLEEPQUEUE_PROFILING options TURNSTILE_PROFILING options DEBUG_MEMGUARD The box was doing (/usr/src nfs-mounted): nohup time make -j 2 -DNO_CLEAN buildworld > /tmp/bw_alone.log 2>&1 & It paniced shortly after I started 'tail -f /tmp/bw_alone.log' in another window, and /tmp is mfs. Arno -- Arno J. Klaassen SCITO S.A. 8 rue des Haies F-75020 Paris, France http://scito.com
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