exaCopyNtoN calls driver Prepare/Done Copy with no Copy in between

Dave Airlie airlied at gmail.com
Fri Nov 14 18:22:25 PST 2008


I'm not quite sure what causes it,

TRACE: RADEONPrepareCopyCP
TRACE: RADEONDoneCopyCP
copy without emission

Backtrace:
0: /usr/bin/Xorg(xorg_backtrace+0x3b) [0x812b9ab]
1: /usr/lib/xorg/modules/drivers//radeon_drv.so [0xb7c45353]
2: /usr/lib/xorg/modules//libexa.so(exaCopyNtoN+0x835) [0xb7ba03c5]
3: /usr/lib/xorg/modules//libfb.so(fbCopyRegion+0x161) [0xb7bbb6c1]
4: /usr/lib/xorg/modules//libexa.so(exaCopyWindow+0xe0) [0xb7b9fa60]
5: /usr/bin/Xorg [0x816f680]
6: /usr/bin/Xorg [0x811b244]
7: /usr/bin/Xorg(compCopyWindow+0xb4) [0x813ccd4]
8: /usr/bin/Xorg(miSlideAndSizeWindow+0x743) [0x8123043]
9: /usr/bin/Xorg(compResizeWindow+0xb8) [0x813d1d8]
10: /usr/bin/Xorg(ConfigureWindow+0xa91) [0x8072251]
11: /usr/bin/Xorg(ProcConfigureWindow+0x92) [0x8085412]
12: /usr/bin/Xorg(Dispatch+0x34f) [0x8085e6f]
13: /usr/bin/Xorg(main+0x47d) [0x806b6ed]
14: /lib/libc.so.6(__libc_start_main+0xe5) [0xb7d286d5]
15: /usr/bin/Xorg [0x806aad1]
TRACE: RADEONMarkSyncCP


I hacked up my exa driver to report these and I get a fair few of them
at startup

miClearToBackground and miSlideAndSizeWindow seems to be main entry
points into the issue

I also see some from exaFillRegionTiled

Dave.



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