Date: Sun, 28 Jun 2015 00:12:22 -0700 From: Kevin Oberman <rkoberman@gmail.com> To: "Brandon J. Wandersee" <brandon.wandersee@gmail.com> Cc: Joseph Mingrone <jrm@ftfl.ca>, Adrian Chadd <adrian.chadd@gmail.com>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: suspend/resume regression Message-ID: <CAN6yY1ud1-0MXnZXSo74oVxOhMU4%2Bc3KY9-6LmGXQ2Aq6-q6TQ@mail.gmail.com> In-Reply-To: <86oak0bkky.fsf@WorkBox.Home> References: <86oak289hv.fsf@gly.ftfl.ca> <CAJ-Vmo=onHpgQzxqk1_AsBNXvDNGqcMjBDf8DCff7Zt39Pipqg@mail.gmail.com> <86616894vk.fsf@gly.ftfl.ca> <CAN6yY1tuv6XO05HPXTVdoQGHFz-0Bod0Lvj4h5PRqEyyVy61Xg@mail.gmail.com> <86oak0bkky.fsf@WorkBox.Home>
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On Sat, Jun 27, 2015 at 8:03 PM, Brandon J. Wandersee < brandon.wandersee@gmail.com> wrote: > > Kevin Oberman writes: > > > On Sat, Jun 27, 2015 at 3:13 PM, Joseph Mingrone <jrm@ftfl.ca> wrote: > > > >> Adrian Chadd <adrian.chadd@gmail.com> writes: > >> > does it always fail now? > >> > >> Yes. The behaviour I described is, so far with 15-20 tries, consistent. > >> > > > > I confirm that I see the similar behavior on my T520 ThinkPad, Sandy > Bridge > > system. > > FreeBSD rogue 10.2-PRERELEASE FreeBSD 10.2-PRERELEASE #1 r284698: Mon Jun > > 22 09:25:11 PDT 2015 root@rogue:/usr/obj/usr/src/sys/GENERIC amd64 > > > > It has been working flawlessly since Adrian's ACPI update. As of now, it > > suspends fine, but it won't resume. I get a fan spin-up, but the power > LED > > continues to pulse, indicating it is suspended and the logs show nothing > > after the suspend. > > Just updated my T520 yesterday, and I get the same behavior with the > same machine here. Suspend is fine; resume fails. It seems to get a bit > farther along in the resume process if i915kms isn't loaded, though I've > got no way to really measure that. I've tried a GENERIC kernel, clean > source tree and empty src.conf, to no avail. > > Several MFCs in r280434 from a couple weeks ago touched a whole bunch of > suspend/resume stuff. That might be a good place to start digging. > > I have narrowed it to between 283990 and 284074. Have to crash, so maybe someone else will track it down by tomorrow. I only see a handfull (<10) commits in there that look like possible causes. 280434 is compiling right now as the prime candidate. Kevin Oberman, Network Engineer, Retired E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
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