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

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Date:	Tue, 5 Apr 2011 16:54:46 +0200 (CEST)
From:	"Segher Boessenkool" <segher@...nel.crashing.org>
To:	"Oncaphillis" <oncaphillis@...fu.de>
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

>> 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.


Segher

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