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Date:      Tue, 8 Jan 2002 03:40:02 -0800 (PST)
From:      Peter Pentchev <roam@ringlet.net>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: kern/33662: linux applications execution causes reboot
Message-ID:  <200201081140.g08Be2a05840@freefall.freebsd.org>

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The following reply was made to PR kern/33662; it has been noted by GNATS.

From: Peter Pentchev <roam@ringlet.net>
To: Tadashi Yanagihara <willow@ht.sfc.keio.ac.jp>
Cc: FreeBSD-gnats-submit@freebsd.org
Subject: Re: kern/33662: linux applications execution causes reboot
Date: Tue, 8 Jan 2002 13:30:36 +0200

 On Tue, Jan 08, 2002 at 06:10:00AM +0900, Tadashi Yanagihara wrote:
 > 
 > >Number:         33662
 > >Category:       kern
 > >Synopsis:       linux applications execution causes reboot
 > >Originator:     Tadashi Yanagihara
 > >Release:        FreeBSD 4.5-PRERELEASE i386
 > >Organization:
 > Tokuda Laboratory, Keio University, Japan
 > >Environment:
 > >Description:
 > 	Ever since from the 4.5-PRERELEASE-20011225, I have been experiencing reboots when trying to execute linux applications such as netscape and realplayer under linux-emulation. Acrobat Reader 4.05 does not cause a reboot, but ends with a segmentation fault. I have been hoping this problem would be fixed before code freeze, but unfortunently it seems to have gone unreported. I have not tryed with linux_base-7 yet.
 > >How-To-Repeat:
 > 	using linux-netscape or realplayer causes reboot, acroread results in a segmentation fault
 
 Maybe a stupid question, but.. are you sure that your Linux emulation
 kernel module (/modules/linux.ko) is in synch with your kernel and
 the userland Linux emulation utilities?  I mean, it is possible that
 you have an old linux.ko module, which does not play nice with some
 new changes in the kernel.  I know I had one - sometime around Christmas,
 a reboot into a newly updated kernel gave me a kernel panic at the Linux
 ldconfig stage at startup, until I found out that I did not have the Linux
 emulation module in the list of modules to rebuild, and that I had
 a linux.ko dating back to August..
 
 So in short: can you do an "ls -l /kernel /modules/linux.ko", and if it
 turns out that linux.ko is older than your kernel,
 "cd /usr/src/sys/modules/linux && make clean all install" ?
 
 G'luck,
 Peter
 
 -- 
 If wishes were fishes, the antecedent of this conditional would be true.

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