kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

MMlosh, thank you for reporting this and helping make Ubuntu better.
Could you please confirm this issue exists with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal (Applications->Accessories->Terminal), as it will
automatically gather and attach updated debug information to this
report:

apport-collect -p linux REPLACE-WITH-BUG-NUMBER

If reproducible, could you also please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.13-rc7

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Tags added: needs-kernel-logs needs-upstream-testing

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

-- 
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https://bugs.launchpad.net/bugs/1268340

Title:
  [regression]ACPI tables parsing issue (WARNING in dmesg, no
  /proc/acpi, no display DPMS, no ATX power off)

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Occurs on:
  13.10 Saucy  (linux 3.11)
  14.04-dev  (linux 3.13)

  Does not occur on:
  all previous releases since 2008 or so

  The machine has  2   PentiumIII  processors
  It's BIOS dates back to 1999, but till now it worked well with acpi=force

  There is a warning in DMESG that seems ACPI-related
  WARNING: CPU: 0 PID: 0 at /build/buildd/linux-3.13.0/arch/x86/mm/ioremap.c:536 __early_ioremap+0x13c/0x1ce()
  -- snip --
   [    0.000000]  [<c19b37d4>] early_ioremap+0x1a/0x1c
   [    0.000000]  [<c19ab389>] __acpi_map_table+0x14/0x19
  -- snip --

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