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=209727 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=170587&action=edit 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 # sysctl dev.drm.skip_ddb=1 # kldload i915kms [plug / unplug the power cord (the result is exactly the same)] panic: IMPLEMENT ME …then the backtrace (attached image). -- You are receiving this mail because: You are the assignee for the bug.
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