Date: Tue, 24 May 2016 07:12:21 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 209727] Panic in i915kms on power mode change Message-ID: <bug-209727-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209727 Bug ID: 209727 Summary: Panic in i915kms on power mode change Product: Base System Version: 11.0-CURRENT Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: info@juanmolina.eu CC: freebsd-amd64@FreeBSD.org CC: freebsd-amd64@FreeBSD.org Created attachment 170587 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D170587&action= =3Dedit Picture of the panic While testing the freebsd-base-graphics/drm-next-4.6 branch with a Haswell = (HD 4400) GPU laptop, changing the power mode (plugging or unplugging the power cord) leads to instant panic, while with the drm-next-3.9 branch, switching AC/battery modifies backlight value up and down without issues. To reproduce: # kldload drm2=20 # sysctl dev.drm.skip_ddb=3D1=20 # kldload i915kms=20 [plug / unplug the power cord (the result is exactly the same)]=20 panic: IMPLEMENT ME=20 =E2=80=A6then the backtrace (attached image). --=20 You are receiving this mail because: You are the assignee for the bug.=
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