[Xen-devel] xorg crash on Fedora 21 xen hvm domUs with qxl (log with backtrace included)

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

On my latest test with xen 4.5 and qemu 2.2 (from git) linux hvm domU 
(Fedora 21) has no more crashed without any useful information in log 
but was crashed only xorg on start:
> [    20.653] (EE)
> [    20.653] (EE) Backtrace:
> [    20.668] (EE) 0: /usr/libexec/Xorg.bin (OsLookupColor+0x119) 
> [0x59bf79]
> [    20.669] (EE) 1: /lib64/libc.so.6 (__restore_rt+0x0) [0x7fbba151a94f]
> [    20.669] (EE) 2: /lib64/libpixman-1.so.0 
> (_pixman_internal_only_get_implementation+0x2ce2b) [0x7fbba26d249b]
> [    20.670] (EE) 3: /lib64/libpixman-1.so.0 
> (_pixman_internal_only_get_implementation+0x2cf79) [0x7fbba26d2899]
> [    20.670] (EE) 4: /lib64/libpixman-1.so.0 
> (pixman_image_composite32+0x451) [0x7fbba261d711]
> [    20.670] (EE) 5: /usr/lib64/xorg/modules/drivers/qxl_drv.so 
> (_init+0x47d0) [0x7fbb9c687d20]
> [    20.670] (EE) 6: /usr/lib64/xorg/modules/drivers/qxl_drv.so 
> (_init+0x48df) [0x7fbb9c687e9f]
> [    20.671] (EE) 7: /usr/lib64/xorg/modules/drivers/qxl_drv.so 
> (_init+0xfa3a) [0x7fbb9c69e1aa]
> [    20.671] (EE) 8: /usr/lib64/xorg/modules/drivers/qxl_drv.so 
> (_init+0x1937d) [0x7fbb9c6b142d]
> [    20.671] (EE) 9: /usr/lib64/xorg/modules/drivers/qxl_drv.so 
> (_init+0x12c47) [0x7fbb9c6a4587]
> [    20.671] (EE) 10: /usr/libexec/Xorg.bin 
> (DamageRegionAppend+0x18b5) [0x5212e5]
> [    20.671] (EE) 11: /usr/libexec/Xorg.bin (miPaintWindow+0x1f6) 
> [0x579c16]
> [    20.671] (EE) 12: /usr/libexec/Xorg.bin (miWindowExposures+0x18f) 
> [0x57a4ef]
> [    20.672] (EE) 13: /usr/libexec/Xorg.bin 
> (miHandleValidateExposures+0x68) [0x590108]
> [    20.672] (EE) 14: /usr/libexec/Xorg.bin (MapWindow+0x18a) [0x4656fa]
> [    20.672] (EE) 15: /usr/libexec/Xorg.bin (ProcBadRequest+0x5f5) 
> [0x433d85]
> [    20.672] (EE) 16: /usr/libexec/Xorg.bin (SendErrorToClient+0x2f7) 
> [0x439027]
> [    20.672] (EE) 17: /usr/libexec/Xorg.bin (remove_fs_handlers+0x416) 
> [0x43d186]
> [    20.673] (EE) 18: /lib64/libc.so.6 (__libc_start_main+0xf0) 
> [0x7fbba1505fe0]
> [    20.673] (EE) 19: /usr/libexec/Xorg.bin (_start+0x29) [0x42761e]
> [    20.673] (EE) 20: ? (?+0x29) [0x29]
> [    20.673] (EE)
> [    20.673] (EE) Segmentation fault at address 0x7fbb9c67a000
> [    20.673] (EE)
> Fatal server error:
> [    20.673] (EE) Caught signal 11 (Segmentation fault). Server aborting
> [    20.673] (EE)
> [    20.673] (EE)
Full xorg log in attachment.
Can someone help me to solve this problem please?

If you need more informations/tests tell me and I'll post them.

Thanks for any reply and sorry for my bad english.


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