[Bug 90987] xorg black screen after monitor power off, AMD r9 270X, aoc u2868pqu, displayport

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jun 15 18:40:52 PDT 2015


--- Comment #1 from Sanjeev Kumar Sharma <spmskr at hotmail.com> ---
sigh ... don't know how this got fouled up - this sentence 

the only difference with this kernel command option (radeon.dpm=0) is that the
messages do not appear; the symptoms stay - the black xorg TTY, killing X from
another TTY.  

should be attached to this section: 

when this started one thing I tried was changing the kernel command line

GRUB_CMDLINE_LINUX_DEFAULT=" md_mod.start_ro=1 radeon.audio=1 radeon.dpm=0 "

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