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Date: Fri, 26 Jul 2002 21:05:02 +0300
From: andrew bliznak <andrew@ort.lviv.net>
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To: John Baldwin <jhb@FreeBSD.org>
Cc: Peter Schultz <peter@jocose.org>,
	Alex Zepeda <zipzippy@sonic.net>, current@FreeBSD.org
Subject: Re: I think X is making this whole thing unstable..
References: <XFMail.20020726135855.jhb@FreeBSD.org>
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John Baldwin wrote:
> On 26-Jul-2002 andrew bliznak wrote:
> 
>>John Baldwin wrote:
>>
>>>On 26-Jul-2002 andrew bliznak wrote:
>>>

[ ... ]

> Actually, I think gdb has screwed up your backtrace some anyway.  Back
> to the original fault messages:
> 
> fault virtual address   = 0x24
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc01e4b02
> 
> Can you do 'l *0xc01e4b02' in gdb and show the output?
> 

(kgdb) l *0xc01e4b02
0xc01e4b02 is in propagate_priority 
(/usr/home/andrew/C/src/sys/kern/kern_mutex.c:183).
178 

179 
		/*
180 
		 * Check if the thread needs to be moved up on
181 
		 * the blocked chain
182 
		 */
183 
		if (td == TAILQ_FIRST(&m->mtx_blocked)) {
184 
			continue;
185 
		}
186 

187 
		td1 = TAILQ_PREV(td, threadqueue, td_blkq);
(kgdb)


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