Red Hat Bugzilla – Bug 449254
switching from virtual console window to X hangs
Last modified: 2018-04-11 06:10:02 EDT
Description of problem:
I can switch to a console window (e.g., Ctrl-Alt-F1) and all is fine. When I
try to switch back (Ctrl-Alt-F7), the screen blanks and the machine freezes. I
can't look for console messages because it blanks the screen. I can't try a
serial console because it's a laptop with no serial port. (Does USB serial
really work for a serial console? If so, I could try to dig one out and try that.)
Another machine also using the radeon driver works fine.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Boot to runlevel 5
machine frozen, does not respond to pings, existing remote login sessions frozen
normal operation and back in X.
Relevant bit of lspci -vnn:
01:00.0 VGA compatible controller : ATI Technologies Inc Radeon Mobility
M6 LY [1002:4c59] (prog-if 00 [VGA controller])
Subsystem: Compaq Computer Corporation Unknown device [0e11:b11b]
Flags: bus master, stepping, fast Back2Back, 66MHz, medium devsel,
latency 66, IRQ 11
Memory at d8000000 (32-bit, prefetchable) [size=128M]
I/O ports at 2000 [size=256]
Memory at d0100000 (32-bit, non-prefetchable) [size=64K]
Capabilities:  AGP version 2.0
Capabilities:  Power Management version 2
Kernel modules: radeonfb
I can provide any additional info needed on request.
Thanks for the bug report. We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log
file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 308187 [details]
X server config file
Created attachment 308188 [details]
/var/log/Xorg.0.log with the xorg.conf that I attached
Created attachment 308189 [details]
/var/log/Xorg.0.log with no xorg.conf at all
Anything more I can do to help here?
Not that I know of. Assigning to developers.
Switching to the text console causes CRT monitor to Off (no input).
ATI Technologies Inc RS690 [Radeon X1200 Series]
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