Date: Mon, 17 Nov 2014 10:37:39 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Chagin Dmitry <dchagin@freebsd.org> Cc: "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org>, "freebsd-mobile@freebsd.org" <freebsd-mobile@freebsd.org> Subject: Re: Lenovo W540 blank screen on suspend/resume after update Message-ID: <CAJ-Vmo=eAPpOk_cFM73UWKnP-FEQ78d5YV4GwrOX9NaygQwefA@mail.gmail.com> In-Reply-To: <20141117182111.GA2477@dchagin.static.corbina.net> References: <54652C60.9050909@metricspace.net> <CAJ-VmokpzRd7hk42NtRWPsCwD1pm_n8kpS4Q7hkbVCgJ7rPpKQ@mail.gmail.com> <20141114161857.GA49507@dchagin.static.corbina.net> <C0B09693-F50C-461B-942E-700E90A16535@metricspace.net> <20141117182111.GA2477@dchagin.static.corbina.net>
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hi! So this patch makes your video pop back up again after suspend? Would you mind creating a new PR for this and putting the patch in it? That way we can track what we eventually need to MFC to stable/10. Thanks! -adrian On 17 November 2014 10:21, Chagin Dmitry <dchagin@freebsd.org> wrote: > On Fri, Nov 14, 2014 at 03:33:26PM -0500, Eric McCorkle wrote: >> Sorry, don't remember the working version. >> >> I have acpi_video compiled in to my kernel. I've tried it with both vt and sc and gotten the same result. >> >> Might try to do more diagnostics this weekend. >> >> On November 14, 2014 11:18:57 AM EST, Chagin Dmitry <dchagin@freebsd.org> wrote: >> >On Thu, Nov 13, 2014 at 02:13:35PM -0800, Adrian Chadd wrote: >> >> Hi, >> >> >> >> Does it stay blank if you have acpi_video (+ vt) loaded? >> >> >> >> What was the revision of 11 you were previously running? >> >> >> >> >> >> >> >> -adrian >> >> >> >> >> >> On 13 November 2014 14:10, Eric McCorkle <eric@metricspace.net> >> >wrote: >> >> > Hello, >> >> > >> >> > I updated my kernel and userland with a fresh update from 11 >> >yesterday, and >> >> > I'm now seeing a blank screen after suspend/resume, where it was >> >working >> >> > fine previously. >> >> > >> >> > I had been trying out the new vt console, so I switched back to sc, >> >but the >> >> > blank screen is still there. >> >> > >> >> > Sorry, I don't have any information beyond this (quite busy these >> >days). >> >> > >> >> > Eric >> > >> > >> >Lenovo t540, same here. r274463 + sc. resume worked two weeks ago. >> > >> > >> >-- >> >Have fun! >> >chd >> > > try attached patch. it seems we should take a close look to other > PCIB_POWER_FOR_SLEEP() calls. > > -- > Have fun! > chd
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