New: Kernel Panic or Kernel becomes unstable with encrypted drives (TrueCrypt)
https://bugzilla.kernel.org/show_bug.cgi?id=15806
Summary: Kernel Panic or Kernel becomes unstable with encrypted
drives (TrueCrypt)
Product: File System
Version: 2.5
Kernel Version: linux kernel 2.6.34-999-generic (Ubuntu mainline
Kernel)
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ext4
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
Created an attachment (id=26040)
--> (https://bugzilla.kernel.org/attachment.cgi?id=26040)
Includes kern.log, linux-image.crash-log and file with system information
* Overview: More detailed restatement of summary.
I have 2 encrypted drives, the Kernel becomes unstable or I get Kernel Panic when I'm using one of this drives. This means, if I try to copy files from one encrypted drive to another I get in the most cases Kernel Panic after a short time.
If accessing more than one application files from an encrypted drive, I get often the message that the system might become unstable and I need to reboot because I can't access the encrypted drive any more. The same when I try to force a file system check with fsck, I get every time the message that the system might become unstable.
* Steps to Reproduce: Minimized, easy-to-follow steps that will trigger the bug. Include any special setup steps.
The easiest way to reproduce is to check the file system with fsck:
1) Mount the volume with the TrueCrypt GUI (check under "Filesystem: Do not mount")
2) Force file check with "sudo fsck -f /dev/mapper/truecrypt1"
3) After a short while I get a new icon in the tray with the message "Your system might become unstable now and might need to be restarted."
* Actual Results: What the application did after performing the above steps. The Kernel becomes unstable (Your system might become unstable now and might need to be restarted.) and I can't access the drive until reboot.
* Expected Results: What the application should have done, were the bug not present.
fsck should check the mapped drive and should fix errors if any.
* Build Date & Platform: Date and platform of the build in which you first encountered the bug.
I'm running Ubuntu 10.04 beta with mainline Kernel.
* Additional Builds and Platforms: Whether or not the bug takes place on other platforms (or browsers, if applicable).
The last Kernel without problems was 2.6.28.8 (Ubuntu 9.04), all newer Kernels crashing my system.
* Additional Information: Any other useful information.
I'm using TrueCrypt 6.3a, AES Encryption and the drives are formatted with ext4.
Signature · 3 lines
Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug.
[Bug 15806] Kernel Panic or Kernel becomes unstable with encrypted drives (TrueCrypt)
https://bugzilla.kernel.org/show_bug.cgi?id=15806
Eric Sandeen <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |[email protected]
--- Comment #1 from Eric Sandeen <[email protected]> 2010-04-19 15:19:40 --- I don't see anything in the oops that looks at all ext4-specific - unless you can show otherwise, I'm guessing that this is a bug in another layer...
If this is triggered by doing userspace IO on the block device (i.e. via fsck) that's another clue that it's a problem in the (crypted) block layer rather than the filesystem, I think.
-Eric
Signature · 3 lines
Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug.
[Bug 15806] Kernel Panic or Kernel becomes unstable with encrypted drives (TrueCrypt)
In reply to [email protected]https://bugzilla.kernel.org/show_bug.cgi?id=15806
Andrew Morton <[email protected]> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |[email protected] Component|ext4 |LVM2/DM AssignedTo|[email protected] |[email protected] |g | Product|File System |IO/Storage
--- Comment #2 from Andrew Morton <[email protected]> 2010-04-19 22:25:11 --- yeah, I'll recategorise it to devicemapper, assigned to Milan.
Signature · 3 lines
Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug.