Messages in this thread | | | Date | Fri, 02 May 2014 13:55:44 -0600 | From | Tim Gardner <> | Subject | Re: Lenovo x120e resume regression in 3.15-rc1 bisected to 'drm/crtc-helpers: fix dpms on logic' |
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On 05/02/2014 12:30 PM, Tim Gardner wrote: > On 05/02/2014 11:21 AM, Alex Deucher wrote: >> On Fri, May 2, 2014 at 12:40 PM, Tim Gardner <tim.gardner@canonical.com> wrote: >>> I've bisected a resume regression on a Lenovo x120e to >>> 177cf92de4aa97ec1435987e91696ed8b5023130 (drm/crtc-helpers: fix dpms on >>> logic). Everything works fine with this patch reverted on top of >>> 3.15-rc3. I realize it is correcting a coding error that has been in >>> place since 3.11, but it is also causing this laptop to resume to a >>> black screen wherein the platform appears to be locked up (no console, >>> no network). See attached bisect log and lspci. The BIOS version is 1.15. >>> >> >> Does the attached patch help? I haven't had a chance to unwind all >> the logic in the crtc helper code. >> >> Alex >> > > Nope, same symptom. Black screen on resume, no network, etc. > > rtg >
linux-next tip (20140502) appears to have the same bug.
rtg -- Tim Gardner tim.gardner@canonical.com
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