Help! Xlib error
Peter Hutterer
peter.hutterer at who-t.net
Wed May 5 04:38:31 PDT 2010
On Wed, May 05, 2010 at 04:16:02PM +0800, Ma, Qingyu (GE Healthcare) wrote:
> My application use openGL to draw some image on window, and modify led
> state on keyboard through faking key event. The operations are executed
> at 33ms interval.
> If I add some system pressure, after long time execution, there is a
> rare possibility to occur below two errors.
>
> #1
> XIO: fatal IO error 0 (Success ) on X server "-"
> after 21 requests (9 known processed) with 0 event remaining.
>
> #2
> X Error of failed request: BadLength (poly request too large or
> internal Xlib length error)
> Major opcode of failed request: 148 (XTEST)
> Minor opcode of failed request: 2 (X_XTestFakeInput)
> Serial number of failed request: 16
> Current serial number in output stream: 20 X Error of failed request:
> BadLength (poly request too large or internal Xlib length error)
> Major opcode of failed request: 148 (XTEST)
> Minor opcode of failed request: 2 (X_XTestFakeInput)
> Serial number of failed request: 15
> Current serial number in output stream: 20
>
>
> I didn't find any clue in Xorg.0.log and message log.
> The system pressure is, Mem: 40MB free and 500MB swap is used, CPU: 95%,
> continuous disk writing, opengl demo(moving gear).
>
> Could you please tell me what may cause these two errors? It's urgent.
> Thanks very much.
hmm. BadLength is usually a server or an Xlib bug. Can you provide the code
that reproduces this issue?
Cheers,
Peter
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