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Re: Bug#574526: linux-image-2.6.32-4-amd64: iwlagn flood in dmesg: free more than tfds_in_queue

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On Fri, Mar 19, 2010 at 01:15:58AM +0000, Ben Hutchings wrote:
> On Thu, 2010-03-18 at 21:05 +0100, Cyril Brulebois wrote:
> > Package: linux-2.6
> > Version: 2.6.32-10
> > Severity: normal
> > 
> > Hi,
> > 
> > it looks like the following upstream commits lead to those repeated
> > messages, as soon as there's some traffic on the wireless network:
> > | [ 3538.284491] iwlagn 0000:02:00.0: free more than tfds_in_queue (1:2)
> > | [ 3538.285838] iwlagn 0000:02:00.0: free more than tfds_in_queue (1:2)
> > | [ 3538.286666] iwlagn 0000:02:00.0: free more than tfds_in_queue (1:2)
> > | [ 3538.298152] iwlagn 0000:02:00.0: free more than tfds_in_queue (0:2)
> > | [ 3538.299241] iwlagn 0000:02:00.0: free more than tfds_in_queue (1:2)
> > 
> > master   : a120e912eb51e347f36c71b60a1d13af74d30e83
> > 2.6.32.y : 44af042e42f2231579ea8ef7586d3789d198f609
> > 
> > | $ git show v2.6.32.9-12-g44af042
> > | commit 44af042e42f2231579ea8ef7586d3789d198f609
> > | Author: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
> > | Date:   Fri Feb 19 15:47:33 2010 -0800
> > | 
> > |     iwlwifi: sanity check before counting number of tfds can be free
> [...]
> 
> Stanislaw, do you understand how this is going wrong?  Do you have a
> fix?
> 

It's here: https://patchwork.kernel.org/patch/86722/

I'm really sorry that make this bug during backport to .32.

Stanislaw
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