kern/119128: [smbfs] System reboot while umount smbfs

Kris Kennaway kris at FreeBSD.org
Sat Dec 29 09:00:08 PST 2007


The following reply was made to PR kern/119128; it has been noted by GNATS.

From: Kris Kennaway <kris at FreeBSD.org>
To: Pavlyuk.Oleksiy at FreeBSD.org, Kovbasyuk Leonid <bi9bu9 at gmail.com>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/119128: [smbfs] System reboot while umount smbfs
Date: Sat, 29 Dec 2007 17:50:51 +0100

 Pavlyuk.Oleksiy at FreeBSD.org wrote:
 
 > Description:
 > System will reboot while umount smbfs, but it will happen only if network connection for FreeBSD machine got lost for approximately 12-15 minutes exactly after mounted_smbfs share, and went back just before umount procedure is performed. If to umount just after network unplugged - everything goes fine. If to umount without plugging network cable back everything goes fine.
 > 
 > We atach file archive bug.zip that is renamed to bug.txt to send to you (rename it back to bug.zip and unpack to view). The package contains:
 > Kgdb utility information in debug.txt (kernel debug info)
 > Uname -a information in unamea.txt
 > Kernel config in kernel.conf.
 > Dmesg info in dmesg.txt
 > 
 >> How-To-Repeat:
 > We managed to repeat a problem under following circumstances:
 > 1. mount_smbfs <smb resource>
 > 2. Unplug network cable
 > 3. Wait for 12-15 min 
 > 4. Plug cable back,wait 5 sec
 > 5. umount smb resource
 > 6. System will reboot
 >> Fix:
 > 
 > 
 > Patch attached with submission follows:
 > 
 > PK
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 ...
 
 
 Hi,
 
 As you can see the attachment was not successful.  Can you please follow 
 up with the plain text of the files so they are easily read?
 
 Kris


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