Date: Sun, 6 May 2007 09:27:35 +0800 (CST) From: Tai-hwa Liang <avatar@mmlab.cse.yzu.edu.tw> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-current@freebsd.org, Ivan Voras <ivoras@fer.hr> Subject: Re: smbfs mount wedges Message-ID: <07050609065812.80781@www.mmlab.cse.yzu.edu.tw> In-Reply-To: <20070429171949.GT2441@deviant.kiev.zoral.com.ua> References: <f12j0g$jfi$1@sea.gmane.org> <20070429171949.GT2441@deviant.kiev.zoral.com.ua>
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On Sun, 29 Apr 2007, Kostik Belousov wrote: > On Sun, Apr 29, 2007 at 07:00:54PM +0200, Ivan Voras wrote: >> I have this line in my /etc/fstab: >> >> //ivoras@server/share /home/ivoras/mnt smbfs rw,noauto,-f640,-d750 0 0 >> >> But the command >> >> # mount /home/ivoras/mnt >> >> doesn't exit. The file system is mounted, I can see it in output of >> "mount" on another console, and I can access the files in it without >> problems, but the "mount" command never returns. It's stuck in state >> "devdrn", and can't be killed by SIGINT or SIGKILL. >> >> This is a -CURRENT from few days ago. >> >> Does smbfs work for someone? >> > > Take the > http://people.freebsd.org/~kib/misc/destroy_dev_sched.6.patch > In addition, replace calls to destroy_dev() in the smb cdev d_close() > method with destroy_dev_sched() (the precise location of that destroy_dev() > could be obtained by backtracing hung process in ddb). One can also try following patch which utilises kib@'s destroy_dev_sched() to fix devdrn hang found in other subsystems: http://people.freebsd.org/~avatar/destroy_dev_sched_addon.1.patch > This should fix "devdrn" hang. Please, report the results to me. After rebooting the kernel with aforementioned two patches applied, I don't see devdrn hang around mount_smbfs/watch for the last 2 months. -- Cheers, Tai-hwa Liang
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