From: Efraim Flashner <efraim@flashner.co.il>
To: Mike Gerwitz <mtg@gnu.org>
Cc: 34176-done@debbugs.gnu.org
Subject: bug#34176: X200 kernel panic on S3 resume (linux-libre > 4.18.9)
Date: Wed, 23 Jan 2019 11:55:31 +0200 [thread overview]
Message-ID: <20190123095531.GC6135@macbook41> (raw)
In-Reply-To: <87y37boqhk.fsf@gnu.org>
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On Wed, Jan 23, 2019 at 01:08:39AM -0500, Mike Gerwitz wrote:
> Well, I'm not getting those hours of my life back.
>
> On Wed, Jan 23, 2019 at 00:58:57 -0500, Mike Gerwitz wrote:
> > usb usb3: root hub lost power or was reset
>
> [...]
>
> > uhci_hcd 0000:00:1d.0: host controller process error, something bad happened!
> > uhci_hcd 0000:00:1d.0: host controller halted, very bad!
> > uhci_hcd 0000:00:1d.0: HC died; cleaning up
>
> [...]
>
> > (Which is indeed true for my hub 0000:00:1d.0, which is usb6, according
> > to dmesg.)
>
> Right after sending this message, I recalled that I used powertop to do
> "auto tuning". Sure enough, one of the lines was this:
>
> Good Autosuspend for USB device UHCI Host Controller [usb6]
>
> By disabling it, it runs this command:
>
> echo on > /sys/bus/usb/devices/usb6/power/control
>
> And it resolves my suspend issues on 4.20.3-gnu.
>
> What sucks even more is that I had disabled those settings on the USB
> controllers over a year ago (because it was putting my USB keyboard to
> sleep, dropping the first keypress); don't know how it got re-enabled,
> but the user is probably to blame.
>
> Sorry for the noise, everyone. I hope that my suffering provides some
> value to others.
>
> This bug can be closed.
I'm glad you figured it out. Powertop is a fun beast, often with
unintended consequences.
--
Efraim Flashner <efraim@flashner.co.il> אפרים פלשנר
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next prev parent reply other threads:[~2019-01-23 9:56 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-23 5:58 bug#34176: X200 kernel panic on S3 resume (linux-libre > 4.18.9) Mike Gerwitz
2019-01-23 6:08 ` Mike Gerwitz
2019-01-23 9:55 ` Efraim Flashner [this message]
2019-01-23 9:56 ` Gábor Boskovits
2019-01-27 15:34 ` Mike Gerwitz
2019-01-28 7:12 ` Chris Marusich
2019-01-28 9:53 ` Christopher Lemmer Webber
2019-01-29 12:14 ` Mike Gerwitz
2019-01-31 4:07 ` Mike Gerwitz
2019-01-31 7:02 ` Mark H Weaver
2019-02-01 3:56 ` Mike Gerwitz
2019-05-12 14:16 ` Mike Gerwitz
2019-05-16 0:57 ` Mike Gerwitz
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