Date: Thu, 07 Feb 2002 23:29:14 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Giorgos Keramidas <keramida@ceid.upatras.gr> Cc: current@freebsd.org Subject: RE: bremfree related panic Message-ID: <20020212021157.04A349EFB4@okeeffe.bestweb.net>
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On 08-Feb-02 Giorgos Keramidas wrote:
> (The bremfree panic is the second panic in the row, so it's probably a
> whole different problem in itself.)
Yep.
> IdlePTD at phsyical address 0x003d1000
> initial pcb at physical address 0x00329bc0
> panicstr: bremfree: bp 0xc2161734 not locked
> panic messages:
> ---
> panic: msleep
Hmmm, wonder where that came from.
oh:
KASSERT(ident != NULL && td->td_proc->p_stat == SRUN, ("msleep"));
However, your trace shows some other type of panic, one not in msleep but from
a fatal kernel trap.
Weird.
> ---
> #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:504
> 504 if (!dodump)
> (kgdb) bt
> #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:504
> #1 0xc01b8ec4 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:336
> #2 0xc01b9361 in panic (fmt=0xc02b5da2 "bremfree: bp %p not locked") at
> /usr/src/sys/kern/kern_shutdown.c:646
> #3 0xc01e7ecf in bremfree (bp=0xc2161734) at
> /usr/src/sys/kern/vfs_bio.c:545
> #4 0xc0196359 in spec_fsync (ap=0xc03d5e98) at
> /usr/src/sys/fs/specfs/spec_vnops.c:407
> #5 0xc0195e51 in spec_vnoperate (ap=0xc03d5e98) at
> /usr/src/sys/fs/specfs/spec_vnops.c:119
> #6 0xc024d449 in ffs_sync (mp=0xc0e00200, waitfor=2, cred=0xc05bee00,
> td=0xc02f9604) at vnode_if.h:441
> #7 0xc01f4c42 in sync (td=0xc02f9604, uap=0x0) at
> /usr/src/sys/kern/vfs_syscalls.c:669
> #8 0xc01b8b46 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:245
> #9 0xc01b9361 in panic (fmt=0xc02cb2fe "%s") at
> /usr/src/sys/kern/kern_shutdown.c:646
> #10 0xc0289d78 in trap_fatal (frame=0xc03d5fa8, eva=791205) at
> /usr/src/sys/i386/i386/trap.c:842
> #11 0xc0289aad in trap_pfault (frame=0xc03d5fa8, usermode=0, eva=791205) at
> /usr/src/sys/i386/i386/trap.c:756
> #12 0xc02895ef in trap (frame={tf_fs = 0, tf_es = 0, tf_ds = 0, tf_edi =
> 51676, tf_esi = 1816, tf_ebp = 264, tf_isp = -1069719596,
> tf_ebx = 264, tf_edx = 980, tf_ecx = 6930, tf_eax = 0, tf_trapno = 12,
> tf_err = 4, tf_eip = 4773, tf_cs = 49152,
> tf_eflags = 721478, tf_esp = 4000, tf_ss = 0}) at
> /usr/src/sys/i386/i386/trap.c:426
> #13 0x12a5 in ?? ()
> Cannot access memory at address 0x108.
--
John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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