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Re: kern/45718 (processes sometimes get stuck and spin in vm_map)



The following reply was made to PR kern/45718; it has been noted by GNATS.

From: Taylor R Campbell <campbell+netbsd%mumble.net@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, 
rmind%NetBSD.org@localhost
Subject: Re: kern/45718 (processes sometimes get stuck and spin in vm_map)
Date: Sat, 23 Jun 2012 15:27:06 +0000

 I caught some more processes wedged in vm_map today.  I wasn't able to
 get a stack trace because my attempt to chroot into a recent enough
 userland to use crash(8) also wedged in vm_map.
 
 But then after five minutes, all the processes that were wedged in
 vm_map spontaneously unwedged and continued to make progress!
 
 When I next looked, there was nothing wedged in vm_map.
 


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