Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 02 May 2008 16:40:23 +0200
From:      Dominic Fandrey <kamikaze@bsdforen.de>
To:        Bruce Evans <brde@optusnet.com.au>
Cc:        freebsd-bugs@freebsd.org, gavin@freebsd.org, bug-followup@freebsd.org
Subject:   Re: kern/122961: write operation on msdosfs file system causes panic
Message-ID:  <481B27D7.4020701@bsdforen.de>
In-Reply-To: <20080503002252.L98216@delplex.bde.org>
References:  <200804211445.m3LEjNh6018941@freefall.freebsd.org> <480CC6F4.1000200@bsdforen.de> <20080422084732.H63563@delplex.bde.org> <480E1F9E.5070308@bsdforen.de> <20080423110846.I67125@delplex.bde.org> <480F9E0F.3010803@bsdforen.de> <20080424133415.G70715@delplex.bde.org> <481AD71C.7030100@bsdforen.de> <20080503002252.L98216@delplex.bde.org>

next in thread | previous in thread | raw e-mail | index | archive | help
Bruce Evans wrote:
> On Fri, 2 May 2008, Dominic Fandrey wrote:
> 
>> Bruce Evans wrote:
>>> On Wed, 23 Apr 2008, Dominic Fandrey wrote:
>>>
>>>> Bruce Evans wrote:
>>>>> The broken nocluster* can be worked around by upgrading to a 
>>>>> version of
>>>>> mount_msdsosfs(8) that hasn't been broken by using nmount(2).
>>>>> mount_msdsosfs(8) from RELENG_5 should work.
>>>>
>>>> I feel reluctant about downgrading to 5.x mount_msdosfs,
>>>
>>> But it would be an upgrage :-).  Anyway, running mount_msdosfs on one
>>> disposable file system that might panic should be safe.
>>>
>>>> however I can confirm that cp with large files does _not_ cause a 
>>>> panic. As far as I understand this confirms your theory.
>>>
>>> Not quite.  I would have expected the problem to affect read() and 
>>> write()
>>> too unless the file system is mounted with -nocluster*.
>>
>> This can be closed.
>>
>> Your suggestions have been very helpful. It turned out that 
>> fusefs-ntfs is causing the panic, when I copy files from it.
> 
> Now we have a better argument for not axing non-port ntfs :-).  I think
> it sort of works read-only.  Too bad we're no closer to understand the
> msdosfs problem.
> 
> Bruce

It was really all my fault, I forgot to rebuild fusefs-kmod after updating my 
kernel. I'm sorry (not really) that I cannot serve you helpful data for the 
msdosfs problems other people have expressed.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?481B27D7.4020701>