xfs-masters
[Top] [All Lists]

[Bug 27002] kernel bug when mounting xfs partition

To: xfs-masters@xxxxxxxxxxx
Subject: [Bug 27002] kernel bug when mounting xfs partition
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Thu, 27 Jan 2011 01:03:34 GMT
Auto-submitted: auto-generated
In-reply-to: <bug-27002-470@xxxxxxxxxxxxxxxxxxxxxxxxx/>
References: <bug-27002-470@xxxxxxxxxxxxxxxxxxxxxxxxx/>
https://bugzilla.kernel.org/show_bug.cgi?id=27002





--- Comment #4 from Dave Chinner <david@xxxxxxxxxxxxx>  2011-01-27 01:03:33 ---
(In reply to comment #3)
> Yes, you're right. It happens on unmounting operation.
> 
> Here's how i reproduce it. On vanilla 2.6.35.10
> 
> - compile it with the following config. 
>   http://pastebin.com/YuYAtSvw. Ignore the BFS. This is vanilla.
> - format a usb flash disk as xfs. mkfs -f /dev/flash_disk.
> - mount it as read-write (mount -w), then copy a text file. No problem.
>   OR
>   mount it as read-only (mount -r). No problem.
> - unmount it. Segmentation fault. here's the error :
> 
> XFS: unknown mount option [gid].
> XFS: unknown mount option [gid].
> XFS mounting filesystem sdc1
> Ending clean XFS mount for filesystem: sdc1
> ------------[ cut here ]------------
> kernel BUG at mm/vmalloc.c:936!

Can you post the code around this function and line in your source tree so we
can see exactly what bug condition is triggering. (please include line numbers)

FWIW, does the bug occur on more recent kernels?

Cheers,

Dave.

-- 
Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.

<Prev in Thread] Current Thread [Next in Thread>