Hi Tony and others, I had planned to file an upstream bug but my inspiron (because of this problem and a problem with the Broadcomm wireless) is very awkward to test... So I have not - yet anyway - done that.
Regards, Chris Hermansen On May 9, 2014 9:10 PM, "Anthony Matt" <tonym...@gmail.com> wrote: > I have display problems with a Dell Vostro 1000 (2.4.1 BIOS, similar > hardware to Inspiron 1501) on Lubuntu 14.04. Vertical lines on boot, > whether with LiveCD (USB stick) or installed on hard drive. No > herringbones or purple screens. > > Observations: > 1. Nomodeset works (albeit stuck in 1024 x 768) because it causes driver > 'radeon' to unload, and X falls back to the vesa driver (per Xorg.0.log). > 2. External VGA monitor (ViewSonic VA912b) always works in cloned display > mode, but when attached does not appear to change the laptop screen > behavior. > 3. Return after 'Switch off display' or 'Put display to sleep' (in Xfce > Power Manager) sometimes restores display, other times results in blank > laptop screen (no image, no lines) or vertical lines; display that is set > to lower resolution shows only part of desktop (crops rather than shrinks > to fit entire desktop). > 4. Laptop lid behavior: Lock Screen option does not fix vertical lines, > does not break normal screen; Suspend sometimes fixes vertical lines. > 5. Changing LVDS monitor resolution or refresh rate (in Monitor Settings > GUI) always causes LVDS to display vertical lines. Turning LVDS off, then > on sometimes restores screen from vertical line state. > 6. Behaviors in 3-5 appear to be time/temperature dependent - restoring > the screen works consistently for ~1 hour (from first boot of the day), > then works less frequently until not at all. > 7. Errors (probably unrelated) on screen displayed when returning from > Suspend: ata1: softreset failed (device not ready) > 8. No monitors.xml in ~/.config; no xorg.conf. > 9. xrandr reports various LVDS resolutions from 640 x 480 up to 1280 x 800. > > Was an upstream bug ever filed for this issue? > I'm willing to supply logs etc to help resolve this bug. > > Thanks, > Tony > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1234429 > > Title: > 1002:5975 [Dell Inspiron 1501] vertical coloured lines / herringbone > pattern on startup > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1234429/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1234429 Title: 1002:5975 [Dell Inspiron 1501] vertical coloured lines / herringbone pattern on startup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1234429/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs