Red Hat Bugzilla – Bug 830772
intel_do_flush_locked failed: No space left on device
Last modified: 2013-08-01 02:38:44 EDT
Description of problem:
In Fedora 17, trying to run GNOME Shell on my second monitor (laptop's own screen disabled) works for a little while but then GNOME Shell suddenly disappears (windows are still there, but without a window manager). The following is printed to the terminal right before it disappears:
"intel_do_flush_locked failed: No space left on device"
My second monitor uses a resolution of:
The video card in my laptop is this:
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Device 30b1
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at f4600000 (32-bit, non-prefetchable) [size=512K]
I/O ports at 4000 [size=8]
Memory at e0000000 (32-bit, prefetchable) [size=256M]
Memory at f4680000 (32-bit, non-prefetchable) [size=256K]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
I believe the problem is due to the amount of memory available, 256MB, and GNOME Shell's use of 3D acceleration.
If I try using GNOME Shell with both my laptop's screen and the second monitor (not mirrored, so 1024 + 1920 wide), everything is unusably slow with mouse clicks taking 10 seconds or more to respond. If I try to use metacity + GNOME Panel, it works fine.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. enable second monitor (disabling laptop's own screen)
2. use GNOME Shell
3. open some windows (say 10) and work for a little while
GNOME Shell disappears
GNOME Shell persists. (Ideally, it could work with 1024+1920 wide screens too (so including first monitor.)
I tried running gnome-shell under gdb but it exits normally after printing that error message. I don't think anything is actually crashing. I didn't see anything particularly relevant in /var/log/Xorg.0.log, but I could look again if something should be there.
I've added a link to a corresponding bug in Ubuntu that affects both gnome-shell and launchpad.
Also, I believe the bug is induced by a limitation in the driver discussed in bug 699705 comment 6:
Adam Jackson speculated that it might be fixed by F16 but it's F17 and still a problem, so I suppose no one has had the time ot tackle this yet.
Actually, maybe not, since I'm testing this with a single screen that only goes to 1920 wide.
However, I suppose I'd like to modify Expected Behaviour to:
* either GNOME Shell persists, or
* upon failure, a prompt offers to put me into fallback mode (GNOME Panel + metacity) or it just automatically does and gives me a message noting why.
I see this problem too on latest gnome-shell (3.5.5), intel driver (2.20.3) and mesa (8.1.0 git snapshot from 2nd August) and a 945GM on a single monitor. I'm not on Fedora so not going to comment too much, just want to watch the bug for a fix! Seems to happen very regularly when new windows are opened.
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