linux-kernel - Re: next-0519 on thinkpad x60: sound related? window manager crash

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Date:   Tue, 9 Jun 2020 13:49:55 +0200
From:   Christoph Hellwig <hch@....de>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Christoph Hellwig <hch@....de>,
        David Rientjes <rientjes@...gle.com>,
        "Alex Xu (Hello71)" <alex_y_xu@...oo.ca>,
        alsa-devel@...a-project.org, bp@...en8.de, hch@...radead.org,
        hpa@...or.com, linux-kernel@...r.kernel.org, mingo@...hat.com,
        Pavel Machek <pavel@....cz>, perex@...ex.cz,
        tglx@...utronix.de, tiwai@...e.com, x86@...nel.org
Subject: Re: next-0519 on thinkpad x60: sound related? window manager crash

On Tue, Jun 09, 2020 at 01:45:34PM +0200, Takashi Iwai wrote:
> Yes, for the sound stuff, something below should make things working.
> But it means that we'll lose the SG-buffer allocation and the
> allocation of large buffers might fail on some machines.

We crossed lines there.  In general due to better memory compaction and
CMA we have better chances to get larger contiguous allocations these
days, so this might not be too much of an issue in practice.