** Tags added: latest-bios-f.28
** Description changed:
With the hardware as shown in automatically attached files (HP ProBook
455), display never recovers from resume, although the computer works
fine otherwise (it can be connected to over ssh, in particular). I
disabled the discrete GPU
Confirmed as per duplicate report #1350910; as suggested there, I
flashed new BIOS to F.28 without any improvement; the changelog [1] does
not mention anything display-related either. (The flash BIOS utility can
be run in Windows (on any computer) to create USB flash, which can be
used in the Linux
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1349866
Title:
displ
FWIW, this is the output of radeontool ("sudo radeontool light on" had
no effect at all):
$ sudo radeontool regs
RADEON_DAC_CNTL
RADEON_DAC_EXT_CNTL
RADEON_DAC_MACRO_CNTL
RADEON_DAC_CNTL2
RADEON_TV_DAC_CNTL c100a080
RADEON_DISP_OUTPUT_CNTL
