Below is the snippet from term.log
As you can see I carefully ignored the warning about the kernel being removed.
I am used to having the old kernel still available as a boot option in grub.
After this I rebooted and ran into the kernel panic.
Log started: 2011-08-21 22:40:54
(Reading database ...
(Reading database ... 100%
(Reading database ... 50615 files and directories currently installed.)
Preparing to replace linux-base 3.3~bpo60+1 (using .../linux-base_3.3_all.deb)
...
Unpacking replacement linux-base ...
Processing triggers for man-db ...
Setting up linux-base (3.3) ...
Log ended: 2011-08-21 22:41:01
Log started: 2011-08-21 22:46:26
Selecting previously deselected package dracut.
(Reading database ...
(Reading database ... 100%
(Reading database ... 50615 files and directories currently installed.)
Unpacking dracut (from .../archives/dracut_005-1_all.deb) ...
Processing triggers for man-db ...
Setting up dracut (005-1) ...
/boot/dracut.img-2.6.38-bpo.2-amd64 does not exist. Cannot update.
(Reading database ...
(Reading database ... 100%
(Reading database ... 50772 files and directories currently installed.)
Removing linux-image-2.6.38-bpo.2-amd64 ...
[?1049h[1;24r[4l[?25l(B[m[37m[40m[1;24r[H[2J[1;1H[1m[37m[44m[K
[K
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[K
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[K
[K
[K
[K
[K
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[K[1;1H(B[m[37m[44mPackage configuration[4;2H[30m[47m┌──────────────┤
[31mConfiguring linux-image-2.6.38-bpo.2-amd64[30m ├───────────────┐[5;2H│
│[1m[37m[40m [6;2H(B[m[30m[47m│ You are running a kernel (version
2.6.38-bpo.2-amd64) and attempting to │[1m[37m[40m [7;2H(B[m[30m[47m│
remove the same version.
│[1m[37m[40m [8;2H(B[m[30m[47m│
│[1m[37m[40m [9;2H(B[m[30m[47m│ This
can make the system unbootable as it will remove
│[1m[37m[40m [10;2H(B[m[30m[47m│ /boot/vmlinuz-2.6.38-bpo.2-amd64 and
all modules under the directory │[1m[37m[40m [11;2H(B[m[30m[47m│
/lib/modules/2.6.38-bpo.2-amd64. This can only be fixed with a copy of
│[1m[37m[40m [12;2H(B[m[30m[47m│ the kernel image and the corresponding
modules. │[1m[37m[40m [13;2H(B[m[30m[47m│
│[1m[37m[40m [14;2H(B[m[30m[47m│ It is highly recommended to abort the
kernel removal unless you are │[1m[37m[40m [15;2H(B[m[30m[47m│
prepared to fix the system after removal.
│[1m[37m[40m [16;2H(B[m[30m[47m│
│[1m[37m[40m [17;2H(B[m[30m[47m│
Abort kernel removal?
│[1m[37m[40m [18;2H(B[m[30m[47m│
│[1m[37m[40m [19;2H(B[m[30m[47m│
[37m[41m<Yes>[30m[47m <No>
│[1m[37m[40m [20;2H(B[m[30m[47m│
│[1m[37m[40m
[21;2H(B[m[30m[47m└───────────────────────────────────────────────────────────────────────────┘[1m[37m[40m
[22;3H
[19;24H(B[m[30m[47m<Yes>[23C[37m[41m<No>[19;52H[?12l[?25h[24;1H[40m(B[m[39;49m
[K
[?1049lOk, proceeding with removing running kernel image.
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 2.6.38-bpo.2-amd64
/boot/vmlinuz-2.6.38-bpo.2-amd64
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 2.6.38-bpo.2-amd64
/boot/vmlinuz-2.6.38-bpo.2-amd64
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.32-5-amd64
Found initrd image: /boot/initrd.img-2.6.32-5-amd64
done
The link /vmlinuz is a damaged link
Removing symbolic link vmlinuz
You may need to re-run your boot loader
The link /initrd.img is a damaged link
Removing symbolic link initrd.img
You may need to re-run your boot loader
Removing live-initramfs ...
Removing live-boot ...
Removing live-boot-initramfs-tools ...
Removing linux-image-2.6-amd64 ...
Removing linux-image-2.6.32-5-amd64 ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 2.6.32-5-amd64
/boot/vmlinuz-2.6.32-5-amd64
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 2.6.32-5-amd64
/boot/vmlinuz-2.6.32-5-amd64
Generating grub.cfg ...
done
The link /vmlinuz.old is a damaged link
Removing symbolic link vmlinuz.old
You may need to re-run your boot loader
The link /initrd.img.old is a damaged link
Removing symbolic link initrd.img.old
You may need to re-run your boot loader
Removing initramfs-tools ...
Processing triggers for man-db ...
Processing triggers for dracut ...
Selecting previously deselected package linux-image-2.6.39-bpo.2-amd64.
(Reading database ...
(Reading database ... 100%
(Reading database ... 44515 files and directories currently installed.)
Unpacking linux-image-2.6.39-bpo.2-amd64 (from
.../linux-image-2.6.39-bpo.2-amd64_2.6.39-3~bpo60+1_amd64.deb) ...
Setting up linux-image-2.6.39-bpo.2-amd64 (2.6.39-3~bpo60+1) ...
Running depmod.
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 2.6.39-bpo.2-amd64
/boot/vmlinuz-2.6.39-bpo.2-amd64
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 2.6.39-bpo.2-amd64
/boot/vmlinuz-2.6.39-bpo.2-amd64
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.39-bpo.2-amd64
done
Log ended: 2011-08-21 22:48:46
