From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 15906] performance regression in "umount" of filesystems using barriers
Date: Fri, 21 May 2010 01:05:07 GMT [thread overview]
Message-ID: <201005210105.o4L157wo020900@demeter.kernel.org> (raw)
In-Reply-To: <bug-15906-13602@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=15906
Chuck Ebbert <cebbert@redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |cebbert@redhat.com
--- Comment #26 from Chuck Ebbert <cebbert@redhat.com> 2010-05-21 01:04:55 ---
(In reply to comment #18)
> Created an attachment (id=26255)
--> (https://bugzilla.kernel.org/attachment.cgi?id=26255) [details]
> Explicitly pass in whether sb is pinned or not
>
This patch is triggering a warning:
[ http://www.kerneloops.org/oops.php?number=3142224 ]
WARNING: at fs/fs-writeback.c:597 writeback_inodes_wb+0x229/0x380()
Hardware name: MS-7250
Modules linked in: fuse sunrpc ip6t_REJECT nf_conntrack_ipv6 ip6table_filter
ip6_tables ipv6 ext2 dm_multipath kvm_amd kvm uinput snd_hda_codec_atihdmi
snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq
snd_seq_device rndis_wlan snd_pcm cfg80211 snd_timer snd rfkill soundcore
snd_page_alloc rndis_host edac_core ppdev cdc_ether i2c_nforce2 usbnet k8temp
edac_mce_amd parport_pc forcedeth mii parport serio_raw sha256_generic
aes_x86_64 aes_generic cbc dm_crypt firewire_ohci pata_acpi firewire_core
crc_itu_t floppy ata_generic pata_amd sata_nv radeon ttm drm_kms_helper drm
i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
Pid: 1035, comm: flush-253:0 Not tainted 2.6.33.4-95.fc13.x86_64 #1
Call Trace:
[] warn_slowpath_common+0x77/0x8f
[] warn_slowpath_null+0xf/0x11
[] writeback_inodes_wb+0x229/0x380
[] wb_writeback+0x13d/0x1bc
[] ? call_rcu_sched+0x10/0x12
[] ? call_rcu+0x9/0xb
[] wb_do_writeback+0x69/0x14d
[] bdi_writeback_task+0x3a/0xaa
[] ? bdi_start_fn+0x0/0xd4
[] bdi_start_fn+0x6c/0xd4
[] ? bdi_start_fn+0x0/0xd4
[] kthread+0x7a/0x82
[] kernel_thread_helper+0x4/0x10
[] ? kthread+0x0/0x82
[] ? kernel_thread_helper+0x0/0x10
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next prev parent reply other threads:[~2010-05-21 1:05 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-04 20:36 [Bug 15906] New: serious performance regression in "umount" on ext4 over LVM bugzilla-daemon
2010-05-04 20:37 ` [Bug 15906] " bugzilla-daemon
2010-05-04 20:41 ` bugzilla-daemon
2010-05-04 20:52 ` bugzilla-daemon
2010-05-04 21:05 ` bugzilla-daemon
2010-05-04 21:11 ` bugzilla-daemon
2010-05-04 21:12 ` bugzilla-daemon
2010-05-04 21:34 ` bugzilla-daemon
2010-05-04 21:48 ` bugzilla-daemon
2010-05-05 0:28 ` bugzilla-daemon
2010-05-05 3:18 ` bugzilla-daemon
2010-05-05 4:00 ` bugzilla-daemon
2010-05-05 4:46 ` bugzilla-daemon
2010-05-05 7:28 ` bugzilla-daemon
2010-05-05 8:27 ` Dmitry Monakhov
2010-05-05 8:40 ` Jens Axboe
2010-05-05 9:06 ` Dmitry Monakhov
2010-05-05 7:30 ` bugzilla-daemon
2010-05-05 19:44 ` bugzilla-daemon
2010-05-05 20:34 ` [Bug 15906] performance regression in "umount" of filesystems using barriers bugzilla-daemon
2010-05-05 21:36 ` Greg Freemyer
2010-05-05 20:34 ` bugzilla-daemon
2010-05-05 21:36 ` bugzilla-daemon
2010-05-05 21:55 ` Greg Freemyer
2010-05-06 3:49 ` bugzilla-daemon
2010-05-06 7:09 ` bugzilla-daemon
2010-05-06 7:10 ` bugzilla-daemon
2010-05-07 9:47 ` bugzilla-daemon
2010-05-08 14:30 ` bugzilla-daemon
2010-05-17 3:28 ` bugzilla-daemon
2010-05-17 3:44 ` bugzilla-daemon
2010-05-17 10:52 ` bugzilla-daemon
2010-05-19 18:57 ` bugzilla-daemon
2010-05-19 19:12 ` bugzilla-daemon
2010-05-21 1:05 ` bugzilla-daemon [this message]
2010-05-21 2:07 ` bugzilla-daemon
2010-05-21 6:08 ` bugzilla-daemon
2010-05-22 4:38 ` bugzilla-daemon
2010-05-26 16:44 ` bugzilla-daemon
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