After logging out, trying to switch user, and changing from vtty back to X system completely hangs with a black screen with ATI Mobility Radeon non-free Drivers

[narnie]

Binary package hint: xserver-xorg-video-ati

I have been waiting for karmic to see if it would fix a bug that I have with suspending the computer. It did in fact, but now has this bug. When I am logged in gnome and log out or switch user (and occationally when I change between a vtty and X) I get a complete system freeze with a black screen. I have read some similar bug reports, but it seems happens with both the ATI driver and FGLRX from ATI. I do NOT have this problem with the ATI driver, but sadly do with FGLRX.

When it hangs, I can't CTRL-ALT-BKSP, CTRL-ALT-DEL, nor, ALT-SYSRQ-R-E-I-S-S-S-U-B either, so it seems to completely crash the kernal, hence setting up for a remote log-in backtrace would likely be futile.

I have an Intel Core 2 Due P7350 and an ATI Mobility Radeon HD 4570 card on a Toshiba laptop running Karmic 64 bit.

Please let me know if any other info is needed. I tried apport, but couldn't get it running on karmic.

The attached includes lspci, Xorg logs, dmesg, xrandr --verbose, etc.

Thanks in advance,

Nathan

[yursi (yura-slynko)]

I confirm this bug on Toshiba Satellite P200. Trying to switch the user with latest ATI proprietary drivers completely hangs the system with black screen.

[Johannes Schwarzer (schwarzerj)]

here too

[Johannes Schwarzer (schwarzerj)]

try this PPA. it helped with my probs

deb http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu karmic main

then do a dist-upgrade

notice:

install ppa-purge at first! if you can't get to X again, you might have no internet connection (wifi) so the best would be to first dist-upgrade, then downgrade via ppa-purge, and then dist-upgrade again, then all packages are in /var/cache/apt/archives and can be installed with ppa-purge without a internet connection

from their website: !!!!!!!!To revert to official packages, you can install the ppa-purge package and run "sudo ppa-purge xorg-edgers". Note that you will want to reinstall linux-libc-dev afterwards manually if you had libdrm-dev installed on karmic and newer!!!!!!!

website: https://launchpad.net/~xorg-edgers
https://launchpad.net/~xorg-edgers/+archive/ppa

[Johannes Schwarzer (schwarzerj)]

one thing to add: I know my solution isn't first best, but perhaps it helps someone and the developers can figure out what exactly caused the problem

[Bryce Harrington (bryce)]

[This is an automatic notification.]

Hi narnie,

This bug was reported against an earlier version of Ubuntu, can you
test if it still occurs on Lucid?

Please note we also provide technical support for older versions of
Ubuntu, but not in the bug tracker. Instead, to raise the issue through
normal support channels, please see:

    http://www.ubuntu.com/support

If you are the original reporter and can still reproduce the issue on
Lucid, please run the following command to refresh the report:

  apport-collect 500056

If you are not the original reporter, please file a new bug report, so
we can work with you as the original reporter instead (you can reference
bug 500056 in your report if you think it may be related):

  ubuntu-bug xorg

If by chance you can no longer reproduce the issue on Lucid or if you
feel it is no longer relevant, please mark the bug report 'Fix Released'
or 'Invalid' as appropriate, at the following URL:

  https://bugs.launchpad.net/ubuntu/+bug/500056

[narnie (signupnarnie)]

It won't be until the end of the month that I can install 10.4 on the machine that causes this problem. I will be eagerly testing it, though, as I would love to be using 3d effects/compiz on this machine.

[Bryce Harrington (bryce)]

We're closing this bug since it is has been some time with no response from narnie. However, if the issue still exists please feel free to reopen with the requested information. Also, if you could, please test against the latest development version of Ubuntu, since this confirms the bug is one we may be able to pass upstream for help.

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