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From: Pavel Machek <pavel-AlSwsSmVLrQ@public.gmane.org>
To: "Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>
Cc: Linux Kernel Mailing List
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Kernel Testers List
	<kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Gergely Imreh <imrehg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [Bug #12391] Processor does not go below C2 state until usb.autosuspend is enabled
Date: Sun, 18 Jan 2009 09:24:02 +0100	[thread overview]
Message-ID: <20090118082401.GC1944@ucw.cz> (raw)
In-Reply-To: <nHCfeC0YLrE.A.LMC.safaJB@chimera>

On Sun 2009-01-11 12:41:04, Rafael J. Wysocki wrote:
> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.27 and 2.6.28.
> 
> The following bug entry is on the current list of known regressions
> introduced between 2.6.27 and 2.6.28.  Please verify if it still should
> be listed and let me know (either way).
> 
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12391
> Subject		: Processor does not go below C2 state until usb.autosuspend is enabled
> Submitter	: Gergely Imreh <imrehg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Date		: 2009-01-09 02:35 (3 days old)

Are you sure that's regression? IIRC usb.autosuspend is needed for
C3. It is certainly needed if you have *any* usb device plugged in.

What hw is that?

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  reply	other threads:[~2009-01-18  8:24 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <nn3SOLVZ28H.A.bY.CafaJB@chimera>
2009-01-11 11:36 ` [Bug #11849] default IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems) Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12155] Regression in 2.6.28-rc and 2.6.27-stable - hibernate related Rafael J. Wysocki
2009-01-11 14:34   ` Fabio Comolli
     [not found]     ` <b637ec0b0901110634i7ea6fa7ao87ec22beb5a51c98-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-01-11 18:40       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12159] 2.6.28-rc6-git1 -- No sound produced from Intel HDA ALSA driver Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12061] snd_hda_intel: power_save: sound cracks on powerdown Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12160] networking oops after resume from s2ram (2.6.28-rc6) Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12208] uml is very slow on 2.6.28 host Rafael J. Wysocki
2009-01-12 10:04   ` Miklos Szeredi
     [not found]     ` <E1LMJex-0001lB-SE-8f8m9JG5TPIdUIPVzhDTVZP2KDSNp7ea@public.gmane.org>
2009-01-12 12:28       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12224] journal activity on inactive partition causes inactive harddrive spinup Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12216] Error when drm is loaded Rafael J. Wysocki
2009-01-11 14:50   ` François Valenduc
     [not found]     ` <496A073D.4070804-bmtTS95sd5BUM80lpFwj4w@public.gmane.org>
2009-01-11 18:41       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12209] oldish top core dumps (in its meminfo() function) Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12260] Regression due to commit 2b80848e3818fb1c (p54usb: support LM87 firmwares) Rafael J. Wysocki
2009-01-11 15:37   ` Larry Finger
     [not found]     ` <496A1246.6070007-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2009-01-11 18:54       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12263] Sata soft reset filling log Rafael J. Wysocki
2009-01-12 23:53   ` Justin Madru
     [not found]     ` <496BD7ED.1010909-u1xxEuL7cY4AvxtiuMwx3w@public.gmane.org>
2009-01-13  0:18       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12279] 2.6.28 suspend regression - HP 2510p Rafael J. Wysocki
2009-01-11 16:03   ` Bartlomiej Zolnierkiewicz
     [not found]     ` <200901111703.24868.bzolnier-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2009-01-11 18:42       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12264] i915: switching from kwin in opengl mode to a VT then back to x11, x11 freezes Rafael J. Wysocki
2009-01-12  0:42   ` Caleb Cushing
     [not found]     ` <81bfc67a0901111642i37f46edar8592899d7193b863-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-01-12  8:00       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12265] FPU emulation broken in 2.6.28-rc8 ? Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12337] ~100 extra wakeups reported by powertop Rafael J. Wysocki
2009-01-14  9:09   ` Alberto Gonzalez
2009-01-11 11:41 ` [Bug #12391] Processor does not go below C2 state until usb.autosuspend is enabled Rafael J. Wysocki
2009-01-18  8:24   ` Pavel Machek [this message]
2009-01-11 11:41 ` [Bug #12393] debugging in dosemu causes lots of 'scheduling while atomic' Rafael J. Wysocki
2009-01-13 22:36   ` [PATCH] x86: vm86: fix preemption bug Thomas Gleixner
     [not found]     ` <alpine.LFD.2.00.0901132117270.3549-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-01-19 14:55       ` Michal Suchanek
2009-01-11 11:41 ` [Bug #12395] 2.6.28-rc9: oprofile regression Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12396] hwinfo problem since 2.6.28 Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12401] 2.6.28 regression: xbacklight broken on ThinkPad X61s Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12404] Oops in 2.6.28-rc9 and -rc8 -- mtrr issues / e1000e Rafael J. Wysocki
2009-01-14 13:56   ` Thomas Gleixner
2009-01-11 11:41 ` [Bug #12403] TTY problem on linux-2.6.28-rc7 Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12405] oops in __bounce_end_io_read under kvm Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12406] 2.6.28 thinks that my PS/2 mouse is a touchpad Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12407] Kernel 2.6.28 regression: Hang after hibernate Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12408] Funny problem with 2.6.28: Kernel stalls Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12410] resource map sanity check conflict: 0x7fffff00 0x800000ff 0x7ffff000 0x7fffffff ACPI Non-volatile Storage Rafael J. Wysocki
2009-01-12 11:31   ` Martin MOKREJŠ
     [not found]     ` <496B2A02.6030009-FKSC99mem8wheYDy1lqhK0JFmxxWawaa@public.gmane.org>
2009-01-12 12:47       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12409] NULL pointer dereference at get_stats() Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12412] Regression in v2.6.28 introduced by: 'USB: skip Set-Interface(0) if already in altsetting 0' Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12413] iwl3945 - Error for wireless request "Set Encode" (8B2A) Rafael J. Wysocki
2009-01-11 15:24   ` Paul Rolland
2009-01-11 18:04   ` Paul Rolland
     [not found]     ` <20090111190455.21b2f7f2-Hu5lHNoInTV+MQpiyFM1nV6hYfS7NtTn@public.gmane.org>
2009-01-11 18:51       ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12411] 2.6.28: BUG in r8169 Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12426] TMDC Joystick no longer works in kernel 2.6.28 Rafael J. Wysocki
2009-01-19 21:41 2.6.29-rc2-git1: Reported regressions 2.6.27 -> 2.6.28 Rafael J. Wysocki
2009-01-19 21:45 ` [Bug #12391] Processor does not go below C2 state until usb.autosuspend is enabled Rafael J. Wysocki
2009-01-27 10:27   ` Pavel Machek
  -- strict thread matches above, loose matches on Subject: below --
2009-02-04 10:55 2.6.29-rc3-git6: Reported regressions 2.6.27 -> 2.6.28 Rafael J. Wysocki
2009-02-04 10:58 ` [Bug #12391] Processor does not go below C2 state until usb.autosuspend is enabled Rafael J. Wysocki

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