Messages in this thread | ![/](/images/icornerl.gif) | | From | "Sebastian Piecha" <> | Date | Wed, 10 Sep 2003 20:22:15 +0200 | Subject | Re: PROBLEM: kernel panic when accessing data via samba |
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On 7 Sep 2003 at 17:07, Sebastian Piecha wrote:
> ... > > 2) full description: > > I'm using Samba to distribute some shares to Windows clients. One of > the shares is an Image-directory where I'm storing PQDI Images of > Windows clients. One of the created images is about 40GB of size and > is split up to 56 files each of same size. When verifying this image > from a Win XP client, PQDI stops with an error (error 1811, "Could > not read from image file") and the Linux kernel panic. Verifying > this image from DOS (with MS network client) is done without any > error. Also verifying smaller images is done without any error. > Verifying this Image via NFS is also done without an error. Another > PQDI version (7.0) also reports an error and let the Linux Kernel > panic. Copying more than 4 GB to the samba share also let the kernel > panic with an OOPS. Copying data locally from the Linux console is > done without an error. > > In the beginning I thought that the Promise controller is the source > of problem, now I'm not sure. Maybe it's samba or the combination of > samba and a Promise controller. > > ... > > The share is lying in a directory on a Reiser filesystem: > > share Images > ReiserFS > LVM (on /dev/md0 only, 120GB) > RAID1 /dev/md0 (120GB) > /dev/hda1 + /dev/hde1 (one primary partition of 120GB on each drive) > /dev/hda + /dev/hde (each 120GB) IDE UDMA133-controller > > As IDE-controller I first used a Promise FastTrak TX2000 (which > supports "hardware"-RAID). I tried the binary Promise-driver > (1.03.0.1) and the source code-driver (1.02.0.25), both without > success. All time the OOPS occurred. Then I replaced the controller > and both Samsung SP1203N-hard drives (each 120GB) against a Promise > UltraTrak 133 TX2 and two Maxtor drives (6Y120P0, each 1 20GB) and > installed a Linux native software-RAID without any Promise-driver. > But again the OOPS occurred. Of course I updated the Promise-firmware > to the latest level. > > To eliminate the RAID and LVM-drivers as the source of problem I > installed just a Reiser FS on one 120GB-primary partition on one of > both Maxtor disks (after removing the drive from the RAID). But > again the Linux kernel panicked. Trying ext3 instead of reiserfs > didn't help. As I do not have enough space on my scsi-disks I can't > verify this big image from a scsi-disk. > > Sometimes the Linux kernel panic occurs immediately some minutes > after starting the verify, sometimes it happens after reading half of > all image files. Samba doesn't report any error. I also tried a > different PCI-slot for the Promise- adapter without any success. Next > thing would be to try a different IDE-controller... > ...
Same happens with Samba 2.2.8a with or without LVM and RAID. Does anybody have a clue how to fix this?
On the Samba mailing list I was told Samba as an user space application can't cause a kernel oops.
Mit freundlichen Gruessen/Best regards, Sebastian Piecha
EMail: spi@gmxpro.de
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