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Re: [Xen-devel] bug: slab corruption (net backend?)
| To: | Steven Hand <Steven.Hand@xxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] bug: slab corruption (net backend?) |
| From: | Gerd Knorr <kraxel@xxxxxxx> |
| Date: | Thu, 7 Jul 2005 13:35:14 +0200 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 07 Jul 2005 11:38:54 +0000 |
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> One thing to check is what the underlying pfn and/or mfn is for the
> relevant slabs(s) which could point to an allocation issue.
Looks like xen allocates via kmem_cache_alloc() and releases via
kfree(), which is illegal according to a comment in mm/slab.c
Seems to work nevertheless, but maybe it's pure luck and we'll
hit a bug sooner or later. I'll try fix this and see if the
problem goes away then ...
Gerd
--
panic("it works"); /* avoid being flooded with debug messages */
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