[Bug 197470] Re: [Hardy]setting up linux-ubuntu-modules fails with WARNING: /boot is ro mounted

[Gabor CZIGOLA]

No it didn't:

$ sudo aptitude reinstall linux-image-2.6.24-11-generic
[sudo] password for czigola:
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Reading extended state information      
Initializing package states... Done
Building tag database... Done      
The following packages will be REINSTALLED:
  linux-image-2.6.24-11-generic 
0 packages upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 0B/19,9MB of archives. After unpacking 0B will be used.
Writing extended state information... Done
(Reading database ... 200045 files and directories currently installed.)
Preparing to replace linux-image-2.6.24-11-generic 2.6.24-11.17 (using .../linux-image-2.6.24-11-generic_2.6.24-11.17_i386.deb) ...
Done.
Unpacking replacement linux-image-2.6.24-11-generic ...
Running postrm hook script /sbin/update-grub.
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Found kernel: /vmlinuz-2.6.24-11-generic
Found kernel: /vmlinuz-2.6.24-8-generic
Found kernel: /memtest86+.bin
Updating /boot/grub/menu.lst ... done
Setting up linux-image-2.6.24-11-generic (2.6.24-11.17) ...
Running depmod.


WARNING: /boot is ro mounted.
update-initramfs: Not updating /boot/initrd.img-2.6.24-11-generic


Not updating initrd symbolic links since we are being updated/reinstalled 
(2.6.24-11.17 was configured last, according to dpkg)
Not updating image symbolic links since we are being updated/reinstalled 
(2.6.24-11.17 was configured last, according to dpkg)
Running postinst hook script /sbin/update-grub.
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Found kernel: /vmlinuz-2.6.24-11-generic
Found kernel: /vmlinuz-2.6.24-8-generic
Found kernel: /memtest86+.bin
Updating /boot/grub/menu.lst ... done
Reading package lists... Done             
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Building tag database... Done

Indeed /boot/initrd.img-2.6.24-11-generic is present, but was not
touched.

I moved /boot/initrd.img-2.6.24-11-generic to /tmp , and tried to reinstall the package again, now I got an error:
Preparing to replace linux-image-2.6.24-11-generic 2.6.24-11.17 (using .../linux-image-2.6.24-11-generic_2.6.24-11.17_i386.deb) ...
Done.
Unpacking replacement linux-image-2.6.24-11-generic ...
Running postrm hook script /sbin/update-grub.
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Found kernel: /vmlinuz-2.6.24-11-generic
Found kernel: /vmlinuz-2.6.24-8-generic
Found kernel: /memtest86+.bin
Replacing config file /var/run/grub/menu.lst with new version
Updating /boot/grub/menu.lst ... done

Setting up linux-image-2.6.24-11-generic (2.6.24-11.17) ...
Running depmod.
WARNING: /boot is ro mounted.
update-initramfs: Not updating /boot/initrd.img-2.6.24-11-generic
Failed to symbolic-link /boot/initrd.img-2.6.24-11-generic to initrd.img.
dpkg: error processing linux-image-2.6.24-11-generic (--configure):
 subprocess post-installation script returned error exit status 17
Errors were encountered while processing:
 linux-image-2.6.24-11-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install.  Trying to recover:
Setting up linux-image-2.6.24-11-generic (2.6.24-11.17) ...
Running depmod.
WARNING: /boot is ro mounted.
update-initramfs: Not updating /boot/initrd.img-2.6.24-11-generic
Failed to symbolic-link /boot/initrd.img-2.6.24-11-generic to initrd.img.
dpkg: error processing linux-image-2.6.24-11-generic (--configure):
 subprocess post-installation script returned error exit status 17
Errors were encountered while processing:
 linux-image-2.6.24-11-generic

I copied this file back to /boot and issued 
$ sudo dpkg --force-all --purge  linux-image-2.6.24-11-generic

The initrd image was gone. I installed the package again:

Setting up linux-image-2.6.24-11-generic (2.6.24-11.17) ...
Running depmod.
update-initramfs: Generating /boot/initrd.img-2.6.24-11-generic
Running postinst hook script /sbin/update-grub.
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Found kernel: /vmlinuz-2.6.24-11-generic
Found kernel: /vmlinuz-2.6.24-8-generic
Found kernel: /memtest86+.bin
Replacing config file /var/run/grub/menu.lst with new version
Updating /boot/grub/menu.lst ... done

And the generation of the new image was well done.

I see no major impact of this warning. Fresh install has no problems,
but if the initrd image is deleted by accident, reinstalling of the package would fail. 
(In this particular case remove and install is not that easy because of the dependencies,
the easiest way is to use dpkg --force-all for the removal.)

-- 
[Hardy]setting up linux-ubuntu-modules fails with WARNING: /boot is ro mounted
https://bugs.launchpad.net/bugs/197470
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