linux-kernel - Re: [Linux-NTFS-Dev] 2.6.23 regression: second access of empty ntfs file leads to D state hang

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Message-Id: <1193668997.7284.2.camel@Homer.simpson.net>
Date:	Mon, 29 Oct 2007 15:43:17 +0100
From:	Mike Galbraith <efault@....de>
To:	Anton Altaparmakov <aia21@....ac.uk>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linux-ntfs-dev@...ts.sourceforge.net
Subject: Re: [Linux-NTFS-Dev] 2.6.23 regression: second access of empty
	ntfs file leads to D	state hang

On Mon, 2007-10-29 at 13:39 +0000, Anton Altaparmakov wrote:
> Hi Mike,
> 
> Thanks for the files.  That is really odd.  And you are sure this just  
> works with 2.6.22.10 on the exact same file?  Have you run  "chkdsk / 
> f /v /x" on the NTFS volume from Windows?

Yes, 2.6.22.10 can md5sum that file just fine, did it several times.  I
haven't run chkdsk.

> Would you be able to apply the attached patch to your 2.6.23.1 kernel  
> and try again and then send me the NTFS error messages?  The patch  
> should cause more verbose error reporting to happen...  Thanks!

[  249.009250] NTFS-fs error (device hda1): ntfs_map_runlist_nolock(): vcn 0x0 >= end_vcn 0x0 for inode 0x490f, error 0.
[  249.020142] NTFS-fs error (device hda1): ntfs_read_compressed_block(): ntfs_map_runlist() failed. Cannot read compression block.

	-Mike

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