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Bug 229161 - dmraid stopped from working after changing kernel to kernel-xen
dmraid stopped from working after changing kernel to kernel-xen
Status: CLOSED DUPLICATE of bug 196828
Product: Fedora
Classification: Fedora
Component: kernel-xen (Show other bugs)
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x86_64 Linux
medium Severity high
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Assigned To: Xen Maintainance List
Brian Brock
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Depends On:
Blocks:
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Reported: 2007-02-18 20:42 EST by Jarkko
Modified: 2007-11-30 17:11 EST (History)
2 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2007-02-25 06:11:23 EST
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RHEL 7.3 requirements from Atomic Host:


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Description Jarkko 2007-02-18 20:42:55 EST
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):
kernel-xen-2.6.19-1.2898.2.3.fc7

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 2007-02-18 20:48:44 EST
- 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 05:45:46 EST
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
kernel-2.6.20-1.2942.fc7.
Comment 3 Jarkko 2007-02-25 06:11:23 EST

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

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