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Re: kern/37933: very frequent crashes after suspend/resume



On Fri,  1 Feb 2008 03:35:03 +0000 (UTC)
"Jared D. McNeill" <jmcneill%invisible.ca@localhost> wrote:

> The following reply was made to PR kern/37933; it has been noted by
> GNATS.
> 
> From: "Jared D. McNeill" <jmcneill%invisible.ca@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, 
>  netbsd-bugs%netbsd.org@localhost
> Subject: Re: kern/37933: very frequent crashes after suspend/resume
> Date: Thu, 31 Jan 2008 21:12:35 -0500
> 
>  smb%cs.columbia.edu@localhost wrote:
>  >    The panics are usually in uvm_fault or amap_wipeout.
>  
>  How about a backtrace? sysctl -w ddb.commandonenter=tr
>  
I've been unable to get anything meaningful, including any usable dumps
(or indeed, any dumps, most of the time).  On the occasions when I get
a command prompt (when in multiuser, I have ddb.onpanic=0 set -- and I
don't get dumps), I've tried 'reboot 0x101', and it just hangs.  bt
hasn't given anything useful, either.  But I'll try the command you
suggest and see if anything better happens.


                --Steve Bellovin, http://www.cs.columbia.edu/~smb



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