Description of problem: X crashes and one must restart the machine. Logs show "Error in I830WaitLpRing()". Version-Release number of selected component (if applicable): kernel-2.6.16-1.2133_FC5 xorg-x11-drv-i810-1.4.1.3-3.1 Intel i855 graphics How reproducible: Sporadic Steps to Reproduce: 1. Try running an acceleration-heavy application (e.g., something OpenGL or XV?). In this particular instance, happened immediately on resume from S3 sleep, but I've seen it happen when just opening an application or watching a video. Actual results: X server crashes, leaving a message Error in I830WaitLpRing(), now is -470411049, start is -470413050 pgetbl_ctl: 0x1ffe0001 pgetbl_err: 0x0 ipeir: 0 iphdr: 2000001 LP ring tail: 38 head: 0 len: 1f001 start 0 eir: 0 esr: 0 emr: ffff instdone: efc1 instpm: b memmode: 108 instps: 42 hwstam: ffff ier: 82 imr: 9 iir: 20 space: 131008 wanted 131064 (II) I810(0): [drm] removed 1 reserved context for kernel (II) I810(0): [drm] unmapping 8192 bytes of SAREA 0xdebe6000 at 0xb7f1e000 Fatal server error: lockup in the X.org logfile. The server restarts, but keeps crashing. Machine must be restarted. Expected results: No crashes. Additional info: I've seen this before on FC4. It may even be a know issue (see linked bug to freedesktop.org). Found in the kernel logs: Jun 17 22:46:28 harmony kernel: [drm:i915_wait_irq] *ERROR* i915_wait_irq: EBUSY -- rec: 256126 emitted: 256128
Created attachment 131115 [details] X.org log showing the problem
I believe this is a multiple reported duplicate, although I do not have the duplicate bug ID's handy currently.
The upstream report has a lot of activity, so we'll track this upstream, and when a fix becomes available, we'll review it for consideration in a future update.