Re: MUSB crash on OMAP3 board with second load of gadget

From: Sergey Lapin
Date: Thu Jan 21 2010 - 08:23:29 EST


On Thu, Jan 21, 2010 at 3:28 PM, Felipe Balbi <felipe.balbi@xxxxxxxxx> wrote:
> On Thu, Jan 21, 2010 at 12:26:49PM +0100, ext Sergey Lapin wrote:
>>
>> Hi! I have crashes in MUSB code when working with USB gadget drivers.
>> Kernel version: linux-omap master d8ebff302ff819587377b123e900e501e4135d86
>> To reproduce: (USB device cable should be attached).
>>
>> dd if=/dev/zero of=/tmp/disk bs=1k count=1024
>> mkdosfs -F 32 /tmp/disk
>> insmod g_mass_storage  file=/tmp/disk stall=0
>>
>> Wait till disk is mounted on host, then
>>
>> rmmod g_mass_storage
>> insmod g_mass_storage  file=/tmp/disk stall=0
>>
>> And here we get Oops in include/linux/list.h line 93,
>
> I guess it's the list corruption bug, right ?
>
> I've seen that, but couldn't get it to reproduce. Now that you said, I'll
> try to find a fix for it.
It seems so, thanks a lot!

S.
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