From: Christoph Hellwig <hch@infradead.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: [PATCH] scsi_debug: Thin provisioning support
Date: Thu, 29 Oct 2009 03:23:22 -0400 [thread overview]
Message-ID: <20091029072322.GA25926@infradead.org> (raw)
In-Reply-To: <yq1d44o8piw.fsf@sermon.lab.mkp.net>
And a crash when using unmap_granularity=1 when using the discard-enable
mkfs.xfs binary from xfsprogs-dev.git:
qemu1:~/xfsprogs-dev# ./mkfs/mkfs.xfs -f /dev/sdb
[ 53.562041] BUG: unable to handle kernel paging request at fcc80000
[ 53.563812] IP: [<c070fbb7>] unmap_region+0xc7/0x120
[ 53.564091] *pde = 36fd0067 *pte = 00000000
[ 53.564091] Oops: 0002 [#1] SMP
[ 53.564091] last sysfs file: /sys/block/sr0/dev
[ 53.564091] Modules linked in:
[ 53.564091]
[ 53.564091] Pid: 184, comm: kblockd/0 Not tainted (2.6.32-rc5-xfs
#414)
[ 53.564091] EIP: 0060:[<c070fbb7>] EFLAGS: 00010046 CPU: 0
[ 53.564091] EIP is at unmap_region+0xc7/0x120
[ 53.564091] EAX: 00020000 EBX: 0001ffff ECX: 00020000 EDX: fcc7c000
[ 53.564091] ESI: 00000000 EDI: 00000001 EBP: f7959ca4 ESP: f7959c54
[ 53.564091] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 53.564091] Process kblockd/0 (pid: 184, ti=f7958000 task=f7956f40
task.ti=f7958000)
[ 53.564091] Stack:
[ 53.564091] 00020000 00000000 00000000 00000000 00000000 00000000
00020000 00000000
[ 53.564091] <0> 00020000 00000000 fcc7c000 00000001 00000000 00020000
00000000 00000001
[ 53.564091] <0> 00000000 00000001 00000000 00000000 f7959eb0 c0715156
00020000 f792c200
[ 53.564091] Call Trace:
[ 53.564091] [<c0715156>] ? scsi_debug_queuecommand+0x1786/0x19b0
[ 53.564091] [<c0131f58>] ? sched_clock+0x8/0x10
[ 53.564091] [<c0182412>] ? sched_clock_local+0xd2/0x170
[ 53.564091] [<c06e8c80>] ? scsi_done+0x0/0x10
[ 53.564091] [<c0182412>] ? sched_clock_local+0xd2/0x170
[ 53.564091] [<c01825d8>] ? sched_clock_cpu+0x128/0x170
[ 53.564091] [<c0191023>] ? __lock_acquire+0x2e3/0x1270
[ 53.564091] [<c0191023>] ? __lock_acquire+0x2e3/0x1270
[ 53.564091] [<c06e8e44>] ? scsi_dispatch_cmd+0xa4/0x250
[ 53.564091] [<c0893af6>] ? _spin_lock_irqsave+0x76/0x90
[ 53.564091] [<c06e8e89>] ? scsi_dispatch_cmd+0xe9/0x250
[ 53.564091] [<c06eed5e>] ? scsi_request_fn+0x38e/0x4d0
[ 53.564091] [<c0651739>] ? __generic_unplug_device+0x29/0x30
[ 53.564091] [<c0651761>] ? generic_unplug_device+0x21/0x30
[ 53.564091] [<c06499a5>] ? blk_unplug_work+0x35/0x40
[ 53.564091] [<c0178785>] ? worker_thread+0x195/0x290
[ 53.564091] [<c0178720>] ? worker_thread+0x130/0x290
[ 53.564091] [<c0649970>] ? blk_unplug_work+0x0/0x40
[ 53.564091] [<c017c810>] ? autoremove_wake_function+0x0/0x50
[ 53.564091] [<c01785f0>] ? worker_thread+0x0/0x290
[ 53.564091] [<c017c504>] ? kthread+0x74/0x80
[ 53.564091] [<c017c490>] ? kthread+0x0/0x80
[ 53.564091] [<c012d4c7>] ? kernel_thread_helper+0x7/0x10
next prev parent reply other threads:[~2009-10-29 7:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-15 18:45 [PATCH] scsi_debug: Thin provisioning support Martin K. Petersen
2009-10-29 5:48 ` Douglas Gilbert
2009-10-29 7:09 ` Christoph Hellwig
2009-10-30 2:33 ` Martin K. Petersen
2009-10-29 7:23 ` Christoph Hellwig [this message]
2009-10-30 2:40 ` Martin K. Petersen
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=20091029072322.GA25926@infradead.org \
--to=hch@infradead.org \
--cc=linux-scsi@vger.kernel.org \
--cc=martin.petersen@oracle.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.