** Changed in: linux-lts-raring (Ubuntu)
Importance: Undecided = Medium
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https://bugs.launchpad.net/bugs/1252154
Title:
[Dell Inspiron 3135] Multiple CRITICAL/HIGH failures in fwts
cat /proc/cpuinfo found the cpu family : 22 (=16h)
According thread 2 https://lkml.org/lkml/2013/5/21/260, family 16h has
no perfctr_core and therefore it is normal to have the error message.
Later kernel also removes the WARN_ON message.
** Changed in: linux-lts-raring (Ubuntu)
Status:
klog: HIGH Kernel message: [ 0.831339] [Firmware Bug]: ACPI: No _BQC
method, cannot determine initial brightness is not really a bug.
_BQC is used to get current brightness from BIOS. In ACPI, it was not
listed as mandatory, but it is much needed functional-wise. Linux kernel
will keep trace the
The critical errors from the method test is caused by acpica.
Quoted from cking's email:
The core issue is that a traversal of an region linked list is looping
forever in ACPICA causing it not to return and making some fwts method
tests to fail on some platforms. I can reproduce the bug in
upstream bug# is available here:
https://bugs.acpica.org/show_bug.cgi?id=1062
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Title:
[Dell Inspiron 3135] Multiple CRITICAL/HIGH failures in
** Changed in: linux-lts-raring (Ubuntu)
Assignee: Anthony Wong (anthonywong) = Alex Hung (alexhung)
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https://bugs.launchpad.net/bugs/1252154
Title:
[Dell Inspiron 3135] Multiple
The same 14 CRITICAL failures could be found in the fwts report from
201308-14057
** Attachment added: fwts_results.log
https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1252154/+attachment/3911524/+files/fwts_results.log
** Tags added: 201308-14057
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