From owner-freebsd-xen@FreeBSD.ORG  Fri Mar 12 07:34:41 2010
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Message-ID: <4B99EE8D.3010303@gmail.com>
Date: Fri, 12 Mar 2010 09:34:37 +0200
From: "Yury A. Buldakov" <yury.buldakov@gmail.com>
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Subject: Kernel panics on 9-CURRENT
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Hi,

My 9-CURRENT XEN box periodically panics on intensive net load, for
example on doing csup ports. Previously I was using 8-STABLE, and kernel
panics too, but currently I can't provide a report for this.

On 9-CURRENT error is (standard XEN kernel configuration):
> ...
>  Checkout ports/net/zsync/Makefile
>  Checkout ports/net/zsync/distinfo
>  Checkout ports/net/zsync/pkg-descr
>  Checkout ports/net/ztelnet/Makefile
>  Checkout ports/net/ztelnet/distinfo
> panic: mtx_lock() of spin mutex (null) @ /usr/src/sys/net/netisr.c:781
> cpuid = 0
> KDB: enter: panic
> [ thread pid 1790 tid 100032 ]
> Stopped at      kdb_enter+0x3a: movl    $0,kdb_why
> db>