ntfs problem with 2.4.10-pre7

ntfs problem with 2.4.10-pre7

[Wayne.Brown]

Since upgrading to 2.4.10-pre7, accessing my Win2000 ntfs partition (mounted
read-only) causes a lockup.  There are no oops messages on the console or in the
logs; if I'm in text mode when it happens the system still responds to <alt-f1>
etc. and to <alt-sysrq> but not to anything else.  If I'm in X nether the mouse
nor the keyboard respond.  This is on a ThinkPad 600X with a kernel compiled
with egcs-2.91.66.  The last kernel that worked correctly for me was
2.4.10-pre4.  I skipped -pre5; -pre6 (with Anton's one-line patch applied to
allow compiling with egcs-2.91.66) gives the same lockup as -pre7.

Wayne

Re: ntfs problem with 2.4.10-pre7

[Anton Altaparmakov]

Hi,

At 20:15 10/09/2001, Wayne.Brown@altec.com wrote:
>Since upgrading to 2.4.10-pre7, accessing my Win2000 ntfs partition (mounted
>read-only) causes a lockup.  There are no oops messages on the console or 
>in the
>logs; if I'm in text mode when it happens the system still responds to 
><alt-f1>
>etc. and to <alt-sysrq> but not to anything else.  If I'm in X nether the 
>mouse
>nor the keyboard respond.  This is on a ThinkPad 600X with a kernel compiled
>with egcs-2.91.66.  The last kernel that worked correctly for me was
>2.4.10-pre4.  I skipped -pre5; -pre6 (with Anton's one-line patch applied to
>allow compiling with egcs-2.91.66) gives the same lockup as -pre7.

When does the lockup occur? When mounting? Later? What is the command that 
triggers it?

Could you edit fs/ntfs/Makefile and remove the hash in front of the -DDEBUG 
in the EXTRA_CFLAGS line? Then recompile, insert the module and as root issue:

echo -1 > /proc/sys/fs/ntfs-debug

This will activate extensive logging in NTFS. If you now can reproduce the 
hang and send me the syslog output (which hopefully will be captured) I 
should be able to figgure out where and why it crashes.

Thanks in advance,

         Anton


-- 
   "Nothing succeeds like success." - Alexandre Dumas
-- 
Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @)
Linux NTFS Maintainer / WWW: http://linux-ntfs.sf.net/
ICQ: 8561279 / WWW: http://www-stu.christs.cam.ac.uk/~aia21/