Hello!
> I woke up to a mostly-dead PE1850 this morning:
>
> Message from syslogd@storage at Fri Apr 1 06:19:14 2005 ...
> storage kernel: Assertion failure in log_do_checkpoint() at
> fs/jbd/checkpoint.c:365: "drop_count != 0 || cleanup_ret != 0"
>
> Message from syslogd@storage at Fri Apr 1 06:19:14 2005 ...
> storage kernel: invalid operand: 0000 [1] SMP
>
> Full error:
>
> Assertion failure in log_do_checkpoint() at fs/jbd/checkpoint.c:365:
> "drop_count != 0 || cleanup_ret != 0"
Could you try running a kernel with the attached patch? Are you able to
reproduce the problem even with the patch?
> ----------- [cut here ] --------- [please bite here ] ---------
> Kernel BUG at checkpoint:365
> invalid operand: 0000 [1] SMP
> CPU 1
> Modules linked in:
> Pid: 212, comm: nfsd Not tainted 2.6.11-rc5
<snip>
> nfsd was serving out a pretty heavily-used (2.5-million page web site) ext3
> partition on the 1850's built-in LSI/MPT controller. I'm able to duplicate
> this somewhat consistently by putting nfsd under heavy load (say, by deleting
> 20,000 files from a directory).
>
> (Please Cc me on replies, I'm not subscribed.)
Honza
--
Jan Kara <[email protected]>
SuSE CR Labs
linux-2.6.11-ext3-release-race.patch:
transaction.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
--- NEW FILE linux-2.6.11-ext3-release-race.patch ---
--- linux-2.6.9/fs/jbd/transaction.c.=K0002=.orig
+++ linux-2.6.9/fs/jbd/transaction.c
@@ -1812,10 +1812,10 @@ static int journal_unmap_buffer(journal_
JBUFFER_TRACE(jh, "checkpointed: add to BJ_Forget");
ret = __dispose_buffer(jh,
journal->j_running_transaction);
+ journal_put_journal_head(jh);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
spin_unlock(&journal->j_state_lock);
- journal_put_journal_head(jh);
return ret;
} else {
/* There is no currently-running transaction. So the
@@ -1826,10 +1826,10 @@ static int journal_unmap_buffer(journal_
JBUFFER_TRACE(jh, "give to committing trans");
ret = __dispose_buffer(jh,
journal->j_committing_transaction);
+ journal_put_journal_head(jh);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
spin_unlock(&journal->j_state_lock);
- journal_put_journal_head(jh);
return ret;
} else {
/* The orphan record's transaction has
@@ -1850,10 +1850,10 @@ static int journal_unmap_buffer(journal_
journal->j_running_transaction);
jh->b_next_transaction = NULL;
}
+ journal_put_journal_head(jh);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
spin_unlock(&journal->j_state_lock);
- journal_put_journal_head(jh);
return 0;
} else {
/* Good, the buffer belongs to the running transaction.
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