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Bug 495

Summary: PATCH: fix crash with BadAlloc X-error when using yuv overlay on i810 vga
Product: SDL Reporter: Hans de Goede <jwrdegoede>
Component: videoAssignee: Ryan C. Gordon <icculus>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: 1.2.12   
Hardware: x86   
OS: Linux   

Description Hans de Goede 2007-09-28 06:06:04 UTC 
When running boswars: http://www.boswars.org/ on a machine with intel integrathed graphics it crashes when it tries to play the initial theora splashscreen video:
X Error of failed request:  BadAlloc (insufficient resources for operation)
  Major opcode of failed request:  140 (XVideo)
  Minor opcode of failed request:  19 ()
  Serial number of failed request:  25
  Current serial number in output stream:  26
boswars: xcb_xlib.c:41: xcb_xlib_lock: Assertion `!c->xlib.lock' failed.
Aborted

I recognized this problem from a few years back, when I encountered it while working on the Xv blitter for xmame. The problem is that for some reason creation the Xvport and XvImage succeeds, and failure (lack of resources / hw capability?) is only indicated during the first XvPut[Shm]Image. I've written a patch for SDL using the work around for this I developed for xmame (and which is still used successfully in xmame after many years of usage).

I'll admit it isn't very pretty, but after investigating several possibilities this was the best option, any other fixes would need changes to the SDL api and abi.

I'll attach the patch.
Comment 1 Hans de Goede 2007-09-28 06:11:20 UTC 
Ugh, I cannot attach my patch, please get it from the corresponding Fedora bug ticket:
https://bugzilla.redhat.com/show_bug.cgi?id=310841

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undef error - Undefined subroutine Fh::slice at data/template/template/en/default/global/hidden-fields.html.tmpl line 58
Comment 2 Sam Lantinga 2007-12-28 18:24:19 UTC 
This patch was checked in with revision 3471.  Thanks!