Date: Mon, 19 Sep 2005 13:54:13 -0700 (PDT) From: Don Lewis <truckman@FreeBSD.org> To: b_bonev@mail.orbitel.bg Cc: freebsd-current@FreeBSD.org Subject: Re: BETA4: Panic and can't cleanup filesystem Message-ID: <200509192054.j8JKsDlR074924@gw.catspoiler.org> In-Reply-To: <000001c5bb83$b9cbd3a0$4700000a@server>
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On 17 Sep, B. Bonev wrote: > When trying to unmount my flash drive with force (#umount -f /flash) machine > hardlocked. > After restart, when fsck-ing in background, computer panicked. > Machine is SMP 2x500MHz PIII with Asus P2B-DS motherboard > cvsuped and updated to RELENG_6 (BETA4) on 14 september with SHED_ULE and > PREEMPTION > panic is written on hand: > > panic: handle_written_inodeblock: live inodedep > cpuid=0 > KDB: enter: panic > [thread pid3 tid 100033] > stopped at kdb_enter+0x2b:nop > db> where > Tracing pid 3 tid 100033 td 0xc15d17d0 > kdb_enter(c062b964) at kdb_enter+0x2b > panic(c063a716,0,2,0,0) at panic+0x127 > handle_written_inodeblock(c1809a00,cbc1a738) at > handle_written_inodeblock+0x533 > softdep_disk_write_complete(cbc1a738) at softdep_disk_write_complete+0xb6 > bufdone(cbc1a738) at bufdone+0x160 > g_vfs_done(c1825ad4) at g_vfs_done+0x8a > biodone(c1825ad4,d42e8cc4,0,c062632c,1ea) at biodone+0x57 > g_io_shedule_up(c15d17d0) at g_io_shedule_up+0xb5 > g_up_procbody(0,d42e8d38,0,c04be5c0,0) at g_up_procbody+0x5a > fork_exit(c04be5c0,0,d42e8d38 at fork_exit+0xa0 > fork_trampoline() at fork_trampoline+0x8 > --- trap 0x1,eip=0,esp=0xd42e8d6c,ebp=0 --- > db>show alllocks > Process 3 (g_up) thread 0xc15d17d0 (100033) > exclusive sleep mutex SoftdepLock r=0 (0xc06dbda0) locked @ > /usr/src/sys/ufs/ffs/ffs_softdep.c:4075 > exclusive sleep mutex g_xup r=0 (0xd42e8cc4) locked @ > /usr/src/sys/geom/geom_io.c:490 > Process 31 (irq20:acpi0) thread 0xc15cd320 (100021) > exclusive sleep mutex acpica subsystem lock r=0 (0xc15c0280) locked @ > /usr/src/sys/modules/acpi/../../../dev/acpica/Osd/Osdynch.c:361 > db> panic > Dump... That looks like this problem: <http://people.freebsd.org/~pho/stress/log/cons162.html> which I'm pretty sure was on the TODO list for 6.0-RELEASE <http://www.freebsd.org/releases/6.0R/todo.html> as a showstopper bug. I don't see it there now, so it might have been fixed in the last few days. > after restart, system stoped and entered in single mode with inconsistency > in /var > after fsck, there was message: > > BAD SUPERBLOCK: VALUES IN SUPERBLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE > > then search for SUPERBLOCK failed, > and fsck don't have option -b... But fsck_ufs does, and it looks like you can pass this with the fsck -T option. Try something like: fsck -Tufs,-b ... > tried to mount all filesystems and got another panic: > # /var: bad dir ino 2 at offset 0: mangled entry > panic: ufs_dirbad: bad dir > cpuid=0 > KDB: enter: panic > [thread pid 133 tid 100063] > stoped at kdb_enter+0x2b: nop > db>where > Tracing pid 133 tid 100063 td 0xc18554000 > kdb_enter(c062b964) at kdb_enter+0x2b > panic(c063b64c,c1829800,da96c904,c059eb66,c18866b4) at panic+0x127 > ufs_dirbad(c18866b4,0,c063b606,c1854000,0) at ufs_dirbad+0x3a > ufs_lookup(da96c92c) at ufs_lookup+0x36a > VOP_CACHEDLOOKUP_APV(c066fd80,da96c92c) at VOP_CACHEDLOOKUP_APV+0x87 > lookup(da96cbcc,c0515064,0,c1854000,c06bc7c0) at lookup+0x3d6 > namei(da96cbcc,c062cf75,267,c1854000,da96ca68) at namei+0x35a > vn_open_cred(da96cbcc,da96cccc,0,c15c9a80,3) at vn_open_cred+0x277 > vn_open(da96cbcc,da96cccc,0,3,c062cf75) at vn_open+0x1e > kern_open(c185400,28065e40,0,1,0) at kern_open+0xb6 > open(c185400,da96cd04,3,1,296) at open+0x1a > syscall(3b,3b,3b,28070000,80486b1) at syscall+0x27f > xint0x80_syscall() at xint0x80_syscall+0x1f > --- syscall(5,FreeBSD ELF32,open), > eip=0x28054e67,esp=0xbfbfebcc,ebp=0xbfbfec78 --- > > With every restart, system going in single mode. What can i do to clean /var > filesystem and to debug these panics? Any help are welcome... >
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