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Old 12-02-2008, 11:34 PM
dann frazier
Default Bug#507619: MODULES=most fails w/ cciss devices

Package: initramfs-tools
Version: 0.92l
Severity: important
Tags: patch

A coworker reported a lenny install failure today. Turns out he had
asked the installer to run mkinitramfs w/ MODULES=dep, which I'd never
tried before:

dl380g5:/home/dannf# mkinitramfs-kpkg -o /boot/initrd.img-2.6.26-1-686 2.6.26-1-686
mkinitramfs: missing cciss/c0d0p root /dev/cciss/c0d0p1 /sys entry
mkinitramfs: workaround is MODULES=most
mkinitramfs: Error please report the bug

dep_add_modules() expects to find a /sys/block/cciss/c0d0p file, but
it should be trying /sys/block/cciss!c0d0:

dl380g5:/tmp/initramfs# ls /sys/block/
cciss!c0d0 loop0 loop3 loop6 ram0 ram11 ram14 ram3 ram6 ram9
cciss!c0d1 loop1 loop4 loop7 ram1 ram12 ram15 ram4 ram7 sr0
cciss!c0d2 loop2 loop5 md0 ram10 ram13 ram2 ram5 ram8

The following patch seems to fix it for me:

--- /usr/share/initramfs-tools/hook-functions.orig 2008-12-02 16:58:05.000000000 -0700
+++ /usr/share/initramfs-tools/hook-functions 2008-12-02 16:58:53.000000000 -0700
@@ -269,6 +269,9 @@
block=$(awk "/^${root}/{print substr($5, 1, 3); exit}"
+ elif [ "${root#/dev/cciss/}" != "${root}" ]; then
+ block=${root#/dev/cciss/*}
+ block="cciss!${block%p*}"
# classical root device

fyi, I suspect this may also apply to old-style smart array devices,
where device names are similar, but use 'ida' intead of 'cciss' -
e.g. /dev/ida/c0d0p1.

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