FS#45108 - [linux kernel] [cryptfs] booting hangs after hdd passwort entry after pacman -Syu to 4.0.4-2-ARCH

Attached to Project: Arch Linux
Opened by Benjamin Flesch (bf) - Wednesday, 27 May 2015, 11:15 GMT
Last edited by Evangelos Foutras (foutrelis) - Wednesday, 27 May 2015, 12:07 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To No-one
Architecture x86_64
Severity Critical
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:

This morning I have performed my weekly arch upgrade by typing payman -Syu into console. The kernel was updated.

Some time later I rebooted and since then I cannot boot. I am prompted for the cryptroot password as usual, but if I enter the right password nothing happens at all.
If I enter the wrong password, the usual "could not locate key for this passphrase" message appears. It seems the system just hangs, I see no disk activity and waiting for a long time doesn't help as well.

I have performed SMART HDD tests and memory tests, both did not indicate any hardware errors. I can access the encrypted root device from an Ubuntu Live cd.

When I do lsinitramfs /boot/initramfs-linux.img, it shows me paths like "/usr/lib/modules/4.0.4-2-ARCH/kernel/hmac.ko", from which I came to the conclusion that I have a 4.0.4-2 kernel running.

The machine is an IBM Thinkpad W530 with 64 bit. I have tested removing power cable / battery etc. so I am quite confident that the problem is in connection with the pacman -Syu I did earlier this day.

Please help me as I am uncertain how I can fix this (or how I can get a "old" kernel initramfs-linux.img file so I can boot again).

Additional info:
* 4.0.4-2 ARCH
* my initramfs-linux.img file has an md5sum starting with 0ab97 and a file size of 7019467 bytes.


Steps to reproduce:
- pacman -Syu on normal arch install
- see how your system gets bricked :-(
This task depends upon

Closed by  Evangelos Foutras (foutrelis)
Wednesday, 27 May 2015, 12:07 GMT
Reason for closing:  Duplicate
Additional comments about closing:   FS#45086 
Comment by Benjamin Flesch (bf) - Wednesday, 27 May 2015, 11:24 GMT
Maybe this is a duplicate of the bug at https://bugs.archlinux.org/task/45086 - but I did not directly notice a systemd update so I am unsure if this is related.

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