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Date:      Sun, 8 Jun 2008 20:48:54 -0700
From:      "Garrett Cooper" <yanefbsd@gmail.com>
To:        current@freebsd.org
Subject:   Re: Hard lockup with recent CURRENT when using mount_smbfs -- recursive lock message
Message-ID:  <7d6fde3d0806082048n639310eav157c8d9def335d30@mail.gmail.com>
In-Reply-To: <7d6fde3d0806082039r2a49ab77lf6f92b3699c12c7e@mail.gmail.com>
References:  <7d6fde3d0806081931h5df7b71dkdd4d6e3e2d144ff2@mail.gmail.com> <7d6fde3d0806082039r2a49ab77lf6f92b3699c12c7e@mail.gmail.com>

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On Sun, Jun 8, 2008 at 8:39 PM, Garrett Cooper <yanefbsd@gmail.com> wrote:
> On Sun, Jun 8, 2008 at 7:31 PM, Garrett Cooper <yanefbsd@gmail.com> wrote:
>> Hi guys,
>>       First hard lockup in a while.
>>       Just synced current to latest sources yesterday after having to
>> apply some patches to get things to cleanly compile. PR's posted at
>> the bottom of the message.
>>       When I run the following command:
>>
>> optimus# mount_smbfs -I 192.168.10.47 -W WORKGROUP
>> //gcooper@orangebox/c$ /mnt/smbfs/
>> Password:
>>
>>        My system just locked up. Nothing else that I can say other
>> than it says the following on the console (and it refuses to let me
>> login / interrupt the processor):
>>
>> smb_co_lock: recursive lock for object 1
>>
>>        The kernel hasn't panicked and I don't have any means of
>> accessing the machine, so I can't capture output from the kernel right
>> now :(.
>>
>>        I'll post my kernel / system stats in a second once I reboot
>> the machine.

I've tied down the following issue (recursive lock for ...) to line
352 of sys/netsmb/smb_conn.c.

I'll manually add in a coredump'able statement to get this thing to
stop before it locks up my system so I can get a backtrace.

-Garrett



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