Messages in this thread |  | | | Date | Sun, 1 Apr 2007 13:06:59 +0300 | | From | "Pekka Enberg" <> | | Subject | Re: mcdx -- do_request(): non-read command to cd!! | |
On 3/31/07, Rene Herman <rene.herman@gmail.com> wrote:
> There's quite a bit of noise in dmesg though. Repeated 5 times:
>
> ===BUG: scheduling while atomic: mount/0x00000001/1166
> [<c1170bff>] __sched_text_start+0x57/0x574
> [<c1171964>] schedule_timeout+0x70/0x8f
> [<c10199b2>] process_timeout+0x0/0x5
> [<c11716a2>] interruptible_sleep_on_timeout+0x5d/0xa5
> [<c100e695>] default_wake_function+0x0/0xc
> [<c482b8fb>] mcdx_xfer+0xae/0x2a5 [mcdx]
[snip]
> [<c482b473>] do_mcdx_request+0x9b/0xd2 [mcdx]
> [<c1096d06>] __generic_unplug_device+0x1d/0x1f
> [<c1096d19>] generic_unplug_device+0x11/0x29
Looks like mcdx_xfer is sleeping while holding q->queue_lock. The
attached (untested) patch should fix it.
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