[Bug 28422] New: X freese in many cases

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jun 7 07:26:10 PDT 2010


           Summary: X freese in many cases
           Product: xorg
           Version: 7.4
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: benoit at demaine.info
         QAContact: xorg-team at lists.x.org

In THIS configuration, X freese when I move the cursor to the right side of the
screen #0 . Does not freese on up and down sides.

During this freese, the box still answers to ping.

MS Windows can use all six monitors at the same time, so, it's not a hardware

During this test, SurroundView was ENABLED in the BIOS, and VGA plug of
motherboard was disabled. 

I report as much as I can, but, I will never be able to reproduce exactly the
same context; way too many factors to care about.

Whatever I do, X bugs. The nature of the bug may vary. With fglrx driver, I
easily ket a kernel panic. With GPL drivers (ati, radeon, radehd) I usually get
X to freese at start time, or, if by luck I get X to start, it usually either
... show garbage on screen, or freese when i move mouse to the right edge of
screen #0; no way to push mouse on any other screen.

If X had not bugged yet at this point, I just open an xtern, try to move it, or
try to activate second head of card using xrandr. When after hours of
customisation I can move mouse on any screen, move an xterm, after activating
all heads with xrandr, then X will never crash.

Quick description:
- Gentoo stable (with unmasked stuff)
- MB MA785GT-UD3H (AM3, PCI-E 16c, PCI-E 4c)
- CPU Phenom 965 BE 3.4GHz, quad core, AMD64, hyervisor
- two MSI R4350 PCI-E
- Hypervision activated in BIOS for XEN daily use
- Linux 2.6.32-xen-r1-Gentoo
- Surround-view may be on or off depending on needs
- take care about VGA_ARB and XEN and KMS kernel symbols, I have played with
them a lot

I easily get X unstable, or get a different bug when i play with the following
- surroundview (on/off)
- kernel version (same .config, from 2.6.28 to 2.6.32)
- VGA_ARB (long time ago, i was using a git module)
- ati/radeon/radeonhd/fglrx driver in conf
- playing with FB drivers (put them in kernel, and play with boot prompt
- re-starting X after a crashed X (if i had not get KP): consecutive start of X
may lead to different results
- frozen X usually resists kill -9
- hypervision: bios setting seem to impact

Version of packages on the day of test:
[ebuild   R   ] x11-base/xorg-server-1.7.7  USE="dmx hal ipv6 nptl sdl xorg
-debug -kdrive -minimal -tslib" 0 kB
[ebuild   R   ] x11-apps/xrandr-1.3.2  0 kB
[ebuild   R   ] x11-base/xorg-x11-7.4-r1  0 kB
[ebuild   R   ] x11-drivers/xf86-video-ati-6.13.0  0 kB
[ebuild   R   ] x11-drivers/xf86-video-radeonhd-1.3.0  USE="-debug" 0 kB
[ebuild   R   ] x11-drivers/ati-drivers-10.4  USE="modules (multilib) qt4
-debug" 0 kB

I could also get a Debian stable run on 4 monitors *once*.

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