[Bug 1007394] Re: Quantal daily fails to complete installation

[sam tygier]

from the last syslog from Lars, it looks like possible a problem in
mdadm

Jun 28 16:08:22 kernel: [  720.365461] INFO: task mdadm:19586 blocked for more than 120 seconds.
Jun 28 16:08:22 kernel: [  720.365472] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 28 16:08:22 kernel: [  720.365484] mdadm           D 0ff56468     0 19586  19585 0x00000000
Jun 28 16:08:22 kernel: [  720.365487] Call Trace:
Jun 28 16:08:22 kernel: [  720.365510] [ef07bcb0] [c0009e04] __switch_to+0x94/0xf4
Jun 28 16:08:22 kernel: [  720.365522] [ef07bcd0] [c0628f84] __schedule+0x23c/0x6a8
Jun 28 16:08:22 kernel: [  720.365531] [ef07bdf0] [c062a448] rwsem_down_failed_common+0xd8/0x148
Jun 28 16:08:22 kernel: [  720.365543] [ef07be20] [c015f3b0] get_super+0xb8/0xf4
Jun 28 16:08:22 kernel: [  720.365554] [ef07be50] [c019b654] fsync_bdev+0x24/0x6c
Jun 28 16:08:22 kernel: [  720.365565] [ef07be60] [c02fd72c] blkdev_ioctl+0x400/0x8e4
Jun 28 16:08:22 kernel: [  720.365576] [ef07bea0] [c01701d8] do_vfs_ioctl+0xa8/0x79c
Jun 28 16:08:22 kernel: [  720.365584] [ef07bf10] [c0170958] sys_ioctl+0x8c/0x9c
Jun 28 16:08:22 kernel: [  720.365593] [ef07bf40] [c001731c] ret_from_syscall+0x0/0x38
Jun 28 16:08:22 kernel: [  720.365611] --- Exception: c01 at 0xff56468
Jun 28 16:08:22 kernel: [  720.365611]     LR = 0xff563d0

** Also affects: mdadm (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1007394

Title:
  Quantal daily fails to complete installation

Status in “debian-installer” package in Ubuntu:
  New
Status in “mdadm” package in Ubuntu:
  New

Bug description:
  The current pre-Alpha image boots but does not install.  It gets
  through the step "detecting disks and all other hardware" and
  consistently hangs at the step "Starting up the partitioner"  It only
  ever gets as far as 41%

  Pressing ESC or Ctrl-C has no effect on the installer, it stays hung.

  This is regardless of medium and happens both on CDRW and USB stick.

  Steps:

  1) download image from http://iso.qa.ubuntu.com/qatracker/milestones/219/builds/16652/downloads
  2) verify checksum
  3) burn image or write to USB stick
  4) verify burn/ stick
  5) install

  Edit 2012-06-25: happens on Alpha2, also.

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