lkml.org 
[lkml]   [2002]   [Mar]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: swsusp is at it... again
Hi!

> > After about 20 resume cycles (compiled kernel with swsusp making
> > machine suspend/resume) I got that nasty FS corruption, again.
> >
> > So...
> >
> > 1) Maybe your ext3 patches are not at fault.
>
> I suspect all this come from suspension failure and immediate resume. I
> have reenabled your panic ! I believe that if a task isn't stopped

Okay, I think I can try that. [Do you think you can send me your diffs
to ext3?]

> I also made a modification in stopping task to stop normal task and then
> kernel threads (I had to add a new PF_KERNTHREAD flag). Perhaps the bug
> has to do with the *order* of stopping processes (I think of that
> because kernel messages are written to log files: what happens if
> kjournald thread is stopped and a task still writes ?)

Nothing that bad should happen... kjournald is only _delayed_ right?
And it could be delayed by scheduling as well.

> > 2) Be carefull using swsusp patch. Real carefull.
> >
> > 3) Don't trust fsck. At this kind of corruption, e2fsck 1.19 will
> > report "clean" but will not repair it, putting your fs into
> > self-destruct mode. Bad bad. Its fixed on new versions. Always run
> > fsck twice, second time with -f.
>
> tune2fs -e panic
> is also a good precaution at least for ext3 filesystems because all my
> root inode crashes were preceded by ext3-error messages and these
> messages were sometimes several hours before effective crash.

Yes.
Pavel
--
(about SSSCA) "I don't say this lightly. However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa
-
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/

\
 
 \ /
  Last update: 2005-03-22 13:24    [W:0.068 / U:12.684 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site