Subject: Re: kern/3249: More vm woes
To: None <thorpej@nas.nasa.gov>
From: Markus Kilbinger <kilbi@rad.rwth-aachen.de>
List: netbsd-bugs
Date: 02/25/1997 07:55:28
>>>>> "Jason" == Jason Thorpe <thorpej@nas.nasa.gov> writes:
Jason> On Mon, 24 Feb 1997 20:24:38 +0100 (MET) Lennart Augustsson
Jason> <augustss@cs.chalmers.se> wrote:
>> >Description: The vm system is still shaky, sometimes the
>> system hangs, sometimes processes hang.
>> >How-To-Repeat: Just try the command tar zxvf file.tar.gz
>> Nothing happens. If you interrupt it and do a ps you see: 371
>> 392 1 0 -18 0 296 104 thrd_s D p4 0:00.01 tar zxvf file.tar.gz
>>
>> >Fix: I have no idea. If I had CVS access I would revert to
>> the state before the first object collapse changes were made
>> and then wait until things start working again.
Jason> This was caused by a deadlock condition that existed
Jason> between the object collapse code and the pageout daemon. I
Jason> committed the appended patch from Charles Hannum a short
Jason> bit ago. It took care of the problems like this that I was
Jason> seeing.
Jason> BTW, I'm also running the SUP scanner right now so that the
Jason> fix will be available via SUP very shortly.
Just for your info: I applied the patch, but the 'tar .z..' behaviour
didn't change: Still hang!
Markus.