From: Randy Dunlap <rdunlap@xenotime.net>
To: halfdog <me@halfdog.net>, linux-ext4@vger.kernel.org
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Can someone confirm ext4 BUG_ON on latest kernel build?
Date: Sun, 19 Jun 2011 08:07:04 -0700 [thread overview]
Message-ID: <20110619080704.33753b99.rdunlap@xenotime.net> (raw)
In-Reply-To: <4DFDCBE0.5020806@halfdog.net>
[adding ext4 mailing list]
On Sun, 19 Jun 2011 10:13:52 +0000 halfdog wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Sorry, I do not have latest kernel. Can someone confirm this on latest?
> At least bugtracker does not know about it, and to my understanding of
> source, should be still here.
>
>
> dd if=/dev/zero bs=1M count=64 of=test
> mkfs.ext4 -F test
> echo -n " " | dd of=test bs=1 count=1 seek=297195 conv=notrunc
> mount -o loop test /mnt/test
> dmesg -c
>
> On ubuntu natty with latest kernel, it seems, that
> fs/ext4/super.c:__save_error_info calls mod_timer before timer->function
> is set at end of fs/ext4/super.c:ext4_fill_super via
> sbi->s_err_report.function = print_daily_error_info;
>
> This causes BUG_ON(!timer->function) in kernel/timer.c:__mod_timer
> Device is stuck, not usable any more.
>
> Thanks
>
> - --
> http://www.halfdog.net/
> PGP: 156A AE98 B91F 0114 FE88 2BD8 C459 9386 feed a bee
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.6 (GNU/Linux)
>
> iD8DBQFN/cvFxFmThv7tq+4RAgfvAJ97N9bnKq4kN99XneTMyJZ5Hha9MQCfcguN
> L4trkTeOsIqDWF8m6VUqcgc=
> =zvYY
> -----END PGP SIGNATURE-----
> --
> 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/
---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
next parent reply other threads:[~2011-06-19 15:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4DFDCBE0.5020806@halfdog.net>
2011-06-19 15:07 ` Randy Dunlap [this message]
2011-06-20 1:42 ` Can someone confirm ext4 BUG_ON on latest kernel build? Ted Ts'o
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110619080704.33753b99.rdunlap@xenotime.net \
--to=rdunlap@xenotime.net \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=me@halfdog.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).