From: Pavel Machek <pavel@ucw.cz>
To: vcaputo@pengaru.com
Cc: Thomas Gleixner <tglx@linutronix.de>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: thinkpad x60: sound problems in 4.15-rc1 was Re: thinkpad x60: sound problems in 4.14.0-next-20171114
Date: Mon, 25 Dec 2017 11:12:20 +0100 [thread overview]
Message-ID: <20171225101220.GB3887@amd> (raw)
In-Reply-To: <20171223053700.xu2fdir32e4e6cd6@shells.gnugeneration.com>
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Hi!
> It's this allocation domain mask hook which has been bypassed by the
> offending commit. The existing approach is more robust in the face of
> relaxed adherence to destination cpumasks since it's all-inclusive,
> whereas the new code is exclusive to a specific cpu.
>
> Is it possible what I'm observing is just another manifestation of
> what's being described in that comment? This is a core 2 duo, so not
> hyper-threaded. But maybe something funny happens when switching
> cstates in response to interrupts - like maybe the wrong cpu can be used
> if it can save power vs. powering up another? Just thinking out loud
> here.
>
> In any case, 4.15-rc4 is quite unusable on my machine because of this.
>
> Pavel, do you observe the same behavior on your x60, WRT AC power?
No.. no Monitor-Mwait messages, and audio works if I unplug AC.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-12-25 10:12 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-15 10:05 thinkpad x60: sound problems in 4.14.0-next-20171114 Pavel Machek
2017-11-15 10:43 ` Takashi Iwai
2017-11-15 11:11 ` Pavel Machek
2017-11-15 11:14 ` Takashi Iwai
2017-11-20 23:25 ` Pavel Machek
2017-11-27 16:30 ` thinkpad x60: sound problems in 4.15-rc1 was " Pavel Machek
2017-11-27 16:33 ` Takashi Iwai
2017-11-27 18:31 ` Pavel Machek
2017-11-27 18:35 ` Takashi Iwai
2017-11-27 18:44 ` Pavel Machek
2017-11-28 7:00 ` Takashi Iwai
2017-12-14 9:57 ` Pavel Machek
2017-12-19 2:06 ` vcaputo
2017-12-19 4:54 ` vcaputo
2017-12-19 23:12 ` vcaputo
2017-12-19 23:22 ` Pavel Machek
2017-12-20 0:36 ` vcaputo
2017-12-20 0:33 ` Thomas Gleixner
2017-12-20 0:59 ` vcaputo
2017-12-23 5:37 ` vcaputo
2017-12-23 20:37 ` vcaputo
2017-12-23 20:33 ` Thomas Gleixner
2017-12-24 16:16 ` vcaputo
2017-12-28 10:41 ` Thomas Gleixner
2017-12-28 18:30 ` vcaputo
2017-12-28 23:24 ` [tip:x86/urgent] x86/apic: Switch all APICs to Fixed delivery mode tip-bot for Thomas Gleixner
2017-12-29 13:31 ` tip-bot for Thomas Gleixner
2017-12-29 13:35 ` Thomas Gleixner
2017-12-25 10:12 ` Pavel Machek [this message]
2017-12-25 10:09 ` thinkpad x60: sound problems in 4.15-rc1 was Re: thinkpad x60: sound problems in 4.14.0-next-20171114 Pavel Machek
2018-01-02 20:54 ` Pavel Machek
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