Date: Thu, 29 Jan 2015 11:19:38 -0800 From: NGie Cooper <yaneurabeya@gmail.com> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: i915kms.ko: when loaded with Haswell HD4600, display goes blank Message-ID: <CAGHfRMAO%2BrJZrAOP1tc-Ks9VO8T87CdjNj4OKEi=bOeUhWUJAA@mail.gmail.com> In-Reply-To: <CAGHfRMCQ12MNeg%2Bopc_-RkrUHwMimB29rUPHQ5nP9YAR7DTOtg@mail.gmail.com> References: <20150129195230.5dd7078f.ohartman@zedat.fu-berlin.de> <CAGHfRMCQ12MNeg%2Bopc_-RkrUHwMimB29rUPHQ5nP9YAR7DTOtg@mail.gmail.com>
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On Thu, Jan 29, 2015 at 11:18 AM, NGie Cooper <yaneurabeya@gmail.com> wrote: > On Thu, Jan 29, 2015 at 10:52 AM, O. Hartmann > <ohartman@zedat.fu-berlin.de> wrote: >> >> Having trouble with loading i915kms.ko on a Haswell-based Lenovo ThinkPad E540. The >> laptop is equippted with a Intel i5-4200M CPU with integrated HD4600 iGPU. Recent update >> of CURRENT and loading of i915kms.ko turns the display immediately blank. Laptop is >> accessible via ssh and network. Only display is dead. >> >> I suppose this a bug? > > Yes, very much so. What's your svn revision and can you please create > a bug for this issue? Please also read the thread titled "drm2 regression: backlight adjustment on ivybridge no longer works" first to see if the symptoms describe there match your's.
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