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Tasklist

FS#16433 - [klibc] Btrfs root filesystem type not detected during boot

Attached to Project: Arch Linux
Opened by Michael Hamann (michitux) - Friday, 02 October 2009, 14:30 GMT
Last edited by Thomas Bächler (brain0) - Saturday, 03 October 2009, 10:42 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To Thomas Bächler (brain0)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
An encrypted root partition on an cf card attached via usb is correctly encrypted (as seen by using break=y), but it can't be mounted unless rootfstype=btrfs is given as kernel parameter. The message is "unable to mount root fs on device dev(254,0)", the result a kernel panic. It might be that the change of the btrfs format in kernel 2.6.31 from testing is part of the problem.

Additional info:
* kernel 2.6.31.1-1 from testing
* klibc 1.5.15-3

Steps to reproduce:
Perhaps a btrfs root partition is enough, perhaps other factors play a role, too...
This task depends upon

Closed by  Thomas Bächler (brain0)
Saturday, 03 October 2009, 10:42 GMT
Reason for closing:  Won't implement
Comment by Roman Kyrylych (Romashka) - Saturday, 03 October 2009, 09:03 GMT
@Thomas: is this relevant to the new busybox-based initramfs? If not then it's "Won't fix"
Comment by Thomas Bächler (brain0) - Saturday, 03 October 2009, 10:42 GMT
If I ever get things to build, yes, blkid should also support btrfs. Given btrfs is not safe for production use, appending rootfstype= is not too much to ask of someone willing to experiment.

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