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Date: Tue, 16 Sep 2003 21:04:39 +0200 (CEST)
From: Martin Blapp <mb@imp.ch>
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Subject: Re: 4.8-stable kernel panic
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Hi,

> #0  dumpsys () at ../../kern/kern_shutdown.c:487
> #1  0xc0168237 in boot (howto=256) at ../../kern/kern_shutdown.c:316
> #2  0xc0168675 in panic (fmt=0xc02db260 "m_copydata, offset > size of mbuf
> chain") at ../../kern/kern_shutdown.c:595
> #3  0xc018576e in m_copydata (m=0xc1560d00, off=6144, len=2048,
> cp=0xc155a800 "") at ../../kern/uipc_mbuf.c:979
> #4  0xc0186776 in m_defrag (m0=0xc1560d00, how=1) at
> ../../kern/uipc_mbuf.c:1572
> #5  0xc021de70 in dc_encap (sc=0xc21c3000, m_head=0xc1560d00,
> txidx=0xd72d9f60) at ../../pci/if_dc.c:3006
> #6  0xc021e0bb in dc_start (ifp=0xc21c3000) at ../../pci/if_dc.c:3105
> #7  0xc021de09 in dc_intr (arg=0xc21c3000) at ../../pci/if_dc.c:2970

This doesn't help me at all. Looks like corrupted mbufs, this doesn't
have to be in the if_dc driver itself.

So how can you reproduce this panic, is it a fresh panic at all, or
did you encounter it since ever ? What kind of card do you have (pciconf -lv) ?

Martin