Bug#790561: After upgrading udev from 215-18 to 220-7 or 221-1, the system is unbootable afterwards

[Klaus Ethgen]

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Package: udev
Version: 220-7
Severity: critical

After upgrading my system from 215-18 to 220-7 or 221-1, (only udev
changes), my system is not bootable anymore.

Here is all the informations I have:
I first upgraded to 221-1 and then did the reboot. After that, the
system freezes after the SCSI initialisation.

After several tries the system finally booted (after ~5 minutes) with
many errors and showing many timeout of nonexisting devices with an
sequence counter aroung 3000(!) that shows that udev tries to loop over
all available and unavailable USB devices and freezes there with one or
another nonexisting device combination. It craped out, for example,
trying to find a joystick device on a keyboard (the system has no
joystick at all).

Downgrading to 220-7 makes the problem even worse. Then it seems to loop
over all USB devices twice what has twice the change to freeze.

Downgrading to 215-18 solves the problem (After an one hour restart
nightmare).

- -- Package-specific info:

- -- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (800, 'unstable'), (500, 'testing'), (110, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.0.4 (SMP w/8 CPU cores)
Locale: LANG=de_DE, LC_CTYPE=de_DE (charmap=ISO-8859-1) (ignored: LC_ALL set to de_DE)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages udev depends on:
ii  adduser                3.113+nmu3
ii  debconf [debconf-2.0]  1.5.56
ii  libacl1                2.2.52-2
ii  libblkid1              2.26.2-6
ii  libc6                  2.19-18
ii  libkmod2               20-1
ii  libselinux1            2.3-2+b1
ii  libudev1               215-18
ii  lsb-base               4.1+Debian13+nmu1
ii  procps                 2:3.3.10-2
ii  util-linux             2.26.2-6

udev recommends no packages.

udev suggests no packages.

- -- debconf information:
  udev/reboot_needed:
  udev/title/upgrade:
  udev/new_kernel_needed: false
  udev/sysfs_deprecated_incompatibility:

- -- 
Klaus Ethgen                              http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16   Klaus Ethgen <Klaus at Ethgen.de>
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C
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