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Date: Fri, 24 Apr 2009 13:11:41 +0100 (BST)
From: Robert Watson <rwatson@FreeBSD.org>
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To: Gustau Perez <gperez@entel.upc.edu>
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Cc: freebsd-current@freebsd.org, freebsd-usb@freebsd.org,
	wsk <wsk@gddsn.org.cn>
Subject: Re: boot panic on current(04.20)
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On Fri, 24 Apr 2009, Gustau Perez wrote:

> Tracing pid 46 tid 100059 td 0xc76ced20
> strcmp(0,c0d4b100,c77b0000,c77b037e,ea44ebe8,...) at strcmp+0x23
> malloc_desc2type(c0d4b100,0,c0d4b8e7,912,ffffffff,...) at 
> malloc_desc2type+0x24
> usb2_notify_addq(c0d4c056,c77b02f8,c77b037e,c772f420,2,...) at 
> usb2_notify_addq+
> 0x3d
> usb2_alloc_device(c7a41280,c7a33cf0,0,0,0,...) at usb2_alloc_device+0x9e8
> usb2_bus_attach(c7a33e24,0,c0d53972,51,c0688c49,...) at usb2_bus_attach+0x128
> usb2_process(c7a33d74,ea44ed38,bfbfed8c,0,0,...) at usb2_process+0xda
> fork_exit(c0d3d5f0,c7a33d74,ea44ed38) at fork_exit+0x91
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0, eip = 0, esp = 0xea44ed70, ebp = 0 ---
>
> I think more or less like wsk. Mmmm could it be related to the sysctl -a 
> problem discussed today ? Will try recompiling fuse and kqemu. Will let you 
> know.

The above is characteristic of using an old module with a kernel compiled for 
the new malloc.h.  Rebuilding should fix it.

Robert N M Watson
Computer Laboratory
University of Cambridge