Xair - DRM fails

Arjan van de Ven arjan at fenrus.demon.nl
Sun Feb 26 10:45:20 UTC 2006


> But this here on the console looks like an error:
> 
> *** glibc detected *** /usr/bin/Xair: double free or corruption (!prev): 0x09071e40 ***
> ======= Backtrace: =========
> /lib/libc.so.6[0x164de8]
> /lib/libc.so.6(__libc_free+0x79)[0x1682ed]
> /usr/bin/Xair(Xfree+0x23)[0x8205576]
> /usr/lib/xair/modules/extensions/libdri.so(DRIDestroyInfoRec+0x2a)[0xe269b7]
> /usr/lib/xair/modules/drivers/radeon_drv.so(RADEONDRICloseScreen+0x1c3)[0x91f063]
> /usr/lib/xair/modules/drivers/radeon_drv.so[0x90f1b1]
> /usr/bin/Xair[0x818f072]
> /usr/bin/Xair[0x80f84b7]
> /usr/bin/Xair[0x80d79be]
> /usr/bin/Xair[0x8156e40]
> /usr/bin/Xair[0x818c0a3]
> /usr/bin/Xair[0x81f6a92]
> /usr/bin/Xair(main+0x7b9)[0x806e3ad]
> /lib/libc.so.6(__libc_start_main+0xdc)[0x1167a4]
> /usr/bin/Xair(FontFileCompleteXLFD+0xad)[0x806db3]

Hi,

yes this is a real bad real bug in Xair...


you can improve the quality of this bugreport by
1) installing the respective -debuginfo rpms (in this case of Xair and
the driver)
2) running the app from inside gdb
and then when the crash hits,
3) type "bt"

that gives a similar backtrace, but with a LOT more useful information
(such as function names and filenames + line numbers) for the developers
to figure this one out...




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