Re: fresh -current trap

From: Eric Anholt <eta_at_lclark.edu>
Date: Fri, 24 Oct 2003 14:47:51 -0700
On Fri, 2003-10-24 at 05:39, Sergey A. Osokin wrote:
> Hello,
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address	= 0x60
> fault core		= supervisor read, page not present
> instruction pointer	= 0x8:0xc04d6d42
> stack pointer		= 0x10:0xde5b7624
> frame pointer		= 0x10:0xde5b764c
> code segment		= base 0x0, limit 0xfffff, type 0x1b
> 			= DPL 0, pres 1, def32 1, gran 1
> processor eflags	= interrupt enabled, resume, IOPL = 0
> current process		= 87 (sysctl)
> kernel: trap 12 trap, code=0
> Stopped at	_mtx_lock_sleep+0x1b2:	movl	0x68(%ecx),%edx
> db> where
> _mtx_lock_sleep(c2978c18,0,c07a85f4,e5,c12bfa80) at _mtx_lock_sleep+0x1b2
> _mtx_lock_flags(c2978c18,0,c07a85f4,e5,0) at _mtx_lock_flags+0x40
> radeon_bufs_info(c2973920,c2978c00,0,de5b7bf8,de5b7bf8) at radeon_bufs_info+0x6f
> sysctl_root(0,de5b7c98,4,de5b7bf8,c29b85f0) at sysctl_root+0x14b
> useland_sysctl(c29b85f0,de5b7c98,4,0,bfbff40c) at useland_sysctl+0x14d
> __sysctl(c29b85f0,de5b7d10,18,c0509436,6) at __sysctl+0xd4
> syscall(2f,2f,2f,0,bfbff40c) at syscall+0x310
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (202, FreeBSD ELF32, __sysctl), eip = 0x280bed2f, esp = 0xbfbff38c, ebp = 0xbfbff3b8 ---
> 
> Any idea?

I just committed a fix for this to CVS.  Sorry for the trouble.

-- 
Eric Anholt                                eta_at_lclark.edu          
http://people.freebsd.org/~anholt/         anholt_at_FreeBSD.org
Received on Fri Oct 24 2003 - 12:48:03 UTC

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