On Sat, 2016-02-20 at 17:43 +0000, Ben Hutchings wrote: > I apologise for this regression, which of course didn't affect any of > the several machines I was able to test on. > > Please can you each reply to the bug address with the following > details: > > - Does the affected system boot using the BIOS boot protocol > (including CSM) or UEFI boot protocol? > > - If you boot with the added kernel parameter "earlyprintk=vga" or > "earlyprintk=serial" (and without "quiet"), do any boot messages > appear before the hang/reboot? PLease send them (a photo is fine). Apparently "earlyprintk=efi,keep" is likely to work better. Jim Barber was able to get a traceback this way. It looks like the efi-bgrt driver is crashing, and there is an upstream fix for it. I'll upload a test version of the package shortly. However, if you see a traceback where the IP is *not* shown as being in "efi_bgrt_init", please report that. Ben. > - If it boots with UEFI, does the kernel parameter "efi=noruntime" > work around the problem? > > - If you haven't already reported this, does the Linux 4.5-rc4 package > from experimental have the same problem? -- Ben Hutchings Tomorrow will be cancelled due to lack of interest.
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