Bug 229161 - dmraid stopped from working after changing kernel to kernel-xen
Summary: dmraid stopped from working after changing kernel to kernel-xen
Status: CLOSED DUPLICATE of bug 196828
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel-xen   
(Show other bugs)
Version: rawhide
Hardware: x86_64
OS: Linux
Target Milestone: ---
Assignee: Xen Maintainance List
QA Contact: Brian Brock
Depends On:
TreeView+ depends on / blocked
Reported: 2007-02-19 01:42 UTC by Jarkko
Modified: 2007-11-30 22:11 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2007-02-25 11:11:23 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Jarkko 2007-02-19 01:42:55 UTC
Description of problem: dmraid stopped from working after changing kernel to
kernel-xen. Worked with Fedora 7 Test1 kernel.

Version-Release number of selected component (if applicable):

How reproducible: Always (done twise).

Steps to Reproduce:
1. get Fedora 7 Test1 CD
2. install using dmraid
3. yum install kernel-xen + reboot using the xen kernel
Actual results: /dev/mapper/ does not contain the raid devices anymore.

Expected results: /dev/mapper/ should continue to contain the raid devices.

Additional info: I _only_ changed kernel to kernel-xen, so I am 100% sure that
"yum install kernel-xen" broke this.

Comment 1 Jarkko 2007-02-19 01:48:44 UTC
- Working kernel: kernel-2.6.19-1.2914.fc7

- Same issue happens also with: kernel-2.6.20-1.2932.fc7 (see bug #229158)

Comment 2 Jarkko 2007-02-25 10:45:46 UTC
I extracted /boot/initrd-2.6.19-1.2898.2.3.fc7xen.img and added to "init":

rmparts sdb
rmparts sda
dm create ddf1_4c534920202020201000005500000000330a535300000a28 0 974608384
mirror core 2 131072 nosync 2 8:0 0 8:16 0
dm partadd ddf1_4c534920202020201000005500000000330a535300000a28

...between lines "mkblkdevs" and "resume LABEL=swap".

Then I replaced /boot/initrd-2.6.19-1.2898.2.3.fc7xen.img with my modified
version and rebooted with 2.6.19-1.2898.2.3.fc7.

It is working. :)

So... I'm not sure _where_ the bug is, but now we know _what_ happens. The
problem is: dm related lines are missing from initrd after running mkinitrd with
kernel-xen-2.6.19-1.2898.2.3.fc7 and kernel-2.6.20-1.2932.fc7 up to

Comment 3 Jarkko 2007-02-25 11:11:23 UTC

*** This bug has been marked as a duplicate of 196828 ***

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