linux-kernel - Re: [Libusb-devel] Kernel bug message and missing data on libusb_interrupt

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Date:	Tue, 05 Apr 2011 17:15:39 +0200
From:	Oncaphillis <oncaphillis@...fu.de>
To:	Segher Boessenkool <segher@...nel.crashing.org>
CC:	Xiaofan Chen <xiaofanc@...il.com>,
	libusb-devel@...ts.sourceforge.net,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [Libusb-devel] Kernel bug message and missing data      on	libusb_interrupt_transfer

On 04/05/2011 04:54 PM, Segher Boessenkool wrote:
>>> I'm in an environment where we are
>>> reluctant to switch between versions. I had a hard time to
>> Pid: 14293, comm: E25Stress Tainted: G      D    2.6.30.10 #2 To Be
>> Filled By O.E.M.
>> RIP: 0010:[<ffffffff8028d2f8>]  [<ffffffff8028d2f8>] kfree+0x7c/0xdb
>> Suprisingly now the kernel is reported as tainted although there isn't
>> any module inserted the
> That is not true; "G" means you have loaded a (GPL-compatible) module.
> "D" means the kernel died.  It died because it tried to dealloc memory
> using a bad pointer, perhaps a null pointer.
>
> Your kernel is two years old, you should try a current kernel.
>
>

Thanks -- Didn't know anything about the 'G D' convention. Although
/proc/modules is empty (I don't have lsmod on the target system).

  We already have tried 2.6.36.x coming up with the same error.
Alan Stern recommended testing 2.6.3(8|9-rc1) which I'm currently doing.

O.

> Segher
>
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