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Re: [Xen-devel] bug: slab corruption (net backend?)
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
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| Subject: | Re: [Xen-devel] bug: slab corruption (net backend?) |
| From: | Gerd Knorr <kraxel@xxxxxxx> |
| Date: | 07 Jul 2005 17:54:07 +0200 |
| Delivery-date: | Thu, 07 Jul 2005 15:58:47 +0000 |
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Gerd Knorr <kraxel@xxxxxxx> writes:
> With the small debug patch below and CONFIG_DEBUG_SLAB=y I get
> plenty of these messages in the dom0 kernel log as soon as I
> start a domU:
>
> Slab corruption: start=dc423000, len=4096
> Slab name: xen-skb
> 000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
After digging in the netback code I'm not sure any more this is a real
bug. Could also be the slab debugging can deal with the page mapping
tricks the netback driver does when sending/receiving packets. The
start address mentioned referes to a page allocated via alloc_mfn() in
netback.c ...
Gerd
--
panic("it works"); /* avoid being flooded with debug messages */
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