Messages in this thread | | | From | Hans Reiser <> | Subject | Re: Kernel Bug in Journal.c | Date | Tue, 16 Dec 2003 03:20:22 +0300 |
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Thanks kindly for this report, Chris can you take a look at this?
Hans
On Monday 15 December 2003 23:30, Wolfpaw - Dale Corse wrote: > Greetings, > > We are getting this error using 2.4.23 on reiserfs, with the > reiser quota patches, and grsecurity patches. I have no idea > what it is :( > > kernel BUG at journal.c:869! > invalid operand: 0000 > CPU: 0 > EIP: 0010:[<c02401c7>] Not tainted > EFLAGS: 00010246 > eax: 00000000 ebx: 0161e62c ecx: df41c540 edx: de195480 > esi: de195480 edi: 0161e62c ebp: dfe27000 esp: c15bddfc > ds: 0018 es: 0018 ss: 0018 > Process kupdated (pid: 6, stackpage=c15bd000) > Stack: c0353330 c01d60a2 c010cb80 de195280 de195280 00000012 dfe27000 > c023fc62 > dfe27000 00000000 00000000 00000004 dfe27000 0161e62c 00000002 > c0244723 > dfe27000 de195480 00000001 de195298 de195480 00000004 00000002 > 00000000 > Call Trace: [<c01d60a2>] [<c023fc62>] [<c0244723>] [<c02450f6>] > [<c02d40b3>] > [<c02438db>] [<c019dd36>] [<c024444a>] [<c0230caf>] [<c01da2db>] > [<c01d974c>] > [<c01d9a9e>] [<c019dd36>] [<c019f626>] [<c01d9990>] [<c019d9ae>] > [<c01d9990>] > > Code: 0f 0b 65 03 99 29 35 c0 eb e4 8b 85 f8 00 00 00 3b 58 20 0f > > It also causes kupdated to go defunct, and we lose the ability to use > sync, > or unmount a filesystem. (Reboot must be done with the reset switch > > :() > > If anyone has any ideas, please drop me a line. I am not subscribed, > so > please CC responses to admin@wolfpaw.net > > Thanks in advance for your time, > Dale. > > The offending block of code is: > > static int flush_commit_list(struct super_block *s, struct > reiserfs_journal_list *jl, int flushall) { > int i, count ; > int bn ; > int retry_count = 0 ; > int orig_commit_left = 0 ; > struct buffer_head *tbh = NULL ; > unsigned long trans_id = jl->j_trans_id; > > reiserfs_check_lock_depth("flush_commit_list") ; > > if (atomic_read(&jl->j_older_commits_done)) { > if (!list_empty(&jl->j_ordered_bh_list)) > BUG(); > if (!list_empty(&jl->j_tail_bh_list)) > BUG(); > return 0 ; > } > > /* before we can put our commit blocks on disk, we have to make sure > everyone older than > ** us is on disk too > */ > if (jl->j_len <= 0) { > --> BUG(); > return 0 ; > } > if (trans_id == SB_JOURNAL(s)->j_trans_id) > BUG(); > > get_journal_list(jl); > > /* write any buffers that must hit disk before the commit is done */ > write_ordered_buffers(&jl->j_ordered_bh_list, &jl->j_wait_bh_list); > > if (flushall) { > if (flush_older_commits(s, jl) == 1) { > /* list disappeared during flush_older_commits. return */ > goto put_jl; > } > } > > -------------------------------- > Dale Corse > System Administrator > Wolfpaw Services Inc. > http://www.wolfpaw.net > (780) 474-4095 > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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