Re: ath5k misbehaving affecting other kernel parts unrelated?

From: me
Date: Sun Apr 25 2010 - 15:26:44 EST


On Sat, Apr 24, 2010 at 06:28:36PM +0100, Pedro Francisco wrote:
> =============================================================================
> [ 2658.663424] BUG kmalloc-4096: Poison overwritten
> [ 2658.663483]

Ok there are 4 messages here, two of them are definitely 802.11 beacons,
which would point the finger squarely at ath5k. We had reports of this
some time ago but a few things got rewritten around that time. I'd guess
the rx DMA code is still subtly broken.

> 6b 6b kkkkkkkkkkkkkkkk
> [ 2658.664816] Object 0xed3db0c0: c4 00 84 00 00 22 43 89 42 69 4e 12 ca 6f
> 6f 6f ï...."C.BiN.ïooo
> [ 4689.945547] Object 0xed3d9080: c4 00 70 00 00 22 43 89 42 69 fe 08 eb 14
> 14 14 ï.p.."C.Biï.ï...

Offhand, I'm not sure what pattern these are.

> [14487.165341] Object 0xed378040: 80 00 00 00 ff ff ff ff ff ff 00 1e 8c 0f 3e af
> [24370.460011] Object 0xed3dc100: 80 00 00 00 ff ff ff ff ff ff 00 1e 8c 0f 3e af

These two are definitely beacons.

--
Bob Copeland %% www.bobcopeland.com

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