RE: Recent -CURRENT panic (New interrupt code related?); backtrace included

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Wed, 12 Nov 2003 11:29:10 -0500 (EST)
On 12-Nov-2003 Xin LI/李鑫 wrote:
> Hello,
> 
> On recently compiled kernels, I often get panics which seemed to be interrupt related. Among
> other things, almost all of them claims that "Kernel trap 30", which seemd to be strange. 
> 
> The kernel I am currently running, namely,
> 
> FreeBSD servers.frontfree.net 5.1-CURRENT FreeBSD 5.1-CURRENT #5: Sat Oct 25 22:27:05 CST 2003   
> delphij_at_servers.frontfree.net:/usr/obj/usr/src/sys/SERVERS  i386
> 
> seemed to be ok, however, when I am trying the new kernels (you see, 14 compile and run
> attempts:), it exhibits incredible instablity.
> 
> FreeBSD 5.1-CURRENT #19: Wed Nov 12 12:17:28 CST 2003
>     delphij_at_servers.frontfree.net:/usr/obj/usr/src/sys/SERVERS
> 
> Here is one of the crashdumps I caught. The machine was configured with a UP kernel, with
> DEVICE_POLLING enabled. There are two networking adapters attached to it, a fxp and a dc, and the
> machine itself act as a NAT gateway. The network load is not very heavy. If you think the
> backtrace helpful, or need any more information, please write me and I will try everything I can
> to help.

Do you have 'device apic' enabled?  If so, can you try using 'options NO_MIXED_MODE'.
Barring that, can you try http://www.FreeBSD.org/~jhb/patches/spurious.patch and
if that doesn't work http://www.FreeBSD.org/~jhb/patches/atpic.patch?

-- 

John Baldwin <jhb_at_FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
Received on Wed Nov 12 2003 - 07:29:37 UTC

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