** Description changed:
- I have installed Precise Pangolin Alpha 2 to a fakeraid stripe, but ubuntu
fails to boot after install.
- When choosing recovery option, the boot process times out waiting for root
device and drops to busybox shell.
- Running "dmraid -ay" and exiting busybox resumes boot and it continues
normally.
+ I have installed Precise Pangolin Alpha 2 to a fakeraid stripe, but
+ ubuntu fails to boot after install. When choosing recovery option, the
+ boot process times out waiting for root device and drops to busybox
+ shell. Running "dmraid -ay" and exiting busybox resumes boot and it
+ continues normally.
- I've added a script in /etc/initramfs-tools/script/local-top/ that run
- "dmraid -ay" as a solution.
+ ---
+ The problems are:
- I might have identified problems with dmraid-activate script.
- For example, it expects a device name without "/dev/" (e.g. "sda") however it
is being called from /usr/share/initramfs-tools/scripts/local-top/dmraid script
with the full device name ("e.g. "/dev/sda"). That does not fix the boot issue
since dmraid-activate is not called befoore mounting root.
+ * There are no initramfs hooks for kpartx, so kpartx is not available during
boot.
+ the following files are needed:
+ /sbin/kpartx
+ /lib/udev/kpartx_id
+ /lib/udev/dmsetup_env
+ /lib/udev/rules.d/95-kpartx.rules
- There might also be antoher bug on line 100 in dmraid-activate (in the awk
script):
+ * The hook for dmraid udev rules is wrong:
+ The script /usr/share/initramfs-tools/hooks/dmraid
+ tries to add:
+ /lib/udev/rules.d/85-dmraid.rules
+ but the existing file is called:
+ /lib/udev/rules.d/97-dmraid.rules
+
+ After fixing the above two issues, system boots normally.
+
+ * dmraid-activate is sometimes called with full device name
+ dmraid-activate expecte device name withouth "/dev/", e.g. "sda" not
"/dev/sda". However the script
+ /usr/share/initramfs-tools/scripts/local-top/dmraid
+ calls dmraid-activate using the full device name and path.
+
+ * There might also be antoher bug on line 100 in dmraid-activate (in the awk
script):
# Heximal to decimal conversion array
for (i = 0; i <= 9; i++) hex2dec[i] = i
hex2dec["a"] = 10; hex2dec["b"] = 11; hex2dec["c"] = 12
hex2dec["e"] = 13; hex2dec["d"] = 14; hex2dec["f"] = 15;
-
- Element "e" and "d" appears to have been switched. I'm not entirely sure
- what the script is trying to do though.
+ Element "e" and "d" appears to have been switched. I'm not entirely sure what
the script is trying to do though, and that part of the script does not affect
my system.
---
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: dmraid 1.0.0.rc16-4.1ubuntu6 [modified: sbin/dmraid-activate
usr/share/initramfs-tools/scripts/local-top/dmraid]
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.93-0ubuntu2
Architecture: amd64
Date: Mon Feb 27 12:59:55 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64
(20120201.2)
ProcEnviron:
PATH=(custom, user)
LANG=sv_SE.UTF-8
SHELL=/bin/bash
SourcePackage: dmraid
UpgradeStatus: Upgraded to precise on 2012-02-21 (5 days ago)
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https://bugs.launchpad.net/bugs/941874
Title:
(fakeraid) root device not activated during boot
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