Erik Ackermann, thank you for performing the requested bisect. The issue
you are reporting is an upstream one. Could you please report this
problem through the appropriate channel by following the instructions
_verbatim_ at https://wiki.ubuntu.com/Bugs/Upstream/kernel ?
Please provide a direct URL
I should note that by bug 15886 I was referring to
https://bugzilla.kernel.org/show_bug.cgi?id=15886 and not a launchpad
bug
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https://bugs.launchpad.net/bugs/814426
Title:
1412:1712 Cra
Okay so I think I mostly have a handle on the issue.
The hardware problem is caused by the cpu running the sound card driver
entering the c6 idle state. Anecdotally the card does not appear to be
able to handle the latency involved in waking from that state.
Currently, both intel_idle and acpi_idl
Erik Ackermann, the next step would be to fully commit bisect from
Jaunty to Natty, in order to identify the offending commit. Could you
please do this following https://wiki.ubuntu.com/Kernel/KernelBisection
?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Tested with mainline kernel 3.12.0-031200-generic #201311071835 SMP
x86_64, which also exhibits the problem. Updated tags. nohz=off
workaround still works.
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-v3.12
** Changed in: linux (Ubun
** Summary changed:
- Crackling Sound on PCI card
+ 1412:1712 Crackling Sound on PCI card
** Changed in: linux
Importance: Medium => Undecided
** Changed in: linux
Status: Fix Released => New
** Changed in: linux
Remote watch: Linux Kernel Bug Tracker #14426 => None
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