| Summary: | segfault with zaphod mode in xserver-1.6-branch and ati driver | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product: | xorg | Reporter: | Matthieu Herrb <matthieu.herrb> | ||||||||
| Component: | Driver/Radeon | Assignee: | xf86-video-ati maintainers <xorg-driver-ati> | ||||||||
| Status: | RESOLVED FIXED | QA Contact: | Xorg Project Team <xorg-team> | ||||||||
| Severity: | major | ||||||||||
| Priority: | medium | CC: | zerooa | ||||||||
| Version: | git | ||||||||||
| Hardware: | x86-64 (AMD64) | ||||||||||
| OS: | OpenBSD | ||||||||||
| Whiteboard: | |||||||||||
| i915 platform: | i915 features: | ||||||||||
| Bug Depends on: | |||||||||||
| Bug Blocks: | 13932 | ||||||||||
| Attachments: |
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Created attachment 21814 [details]
Xorg.0.log before the crash
This looks like a Radeon driver bug where pScrn->pScreen is NULL in Zaphod mode. Created attachment 26931 [details] [review] patch against 6.12-branch Yes, that was it. Attached patch against 6.12 branch fixes it. fixed in: 718a611f3cc7f5eea95cd73a9dcc7913c922fcbc |
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Created attachment 21813 [details] xorg.conf Trying zaphod mode in xserver-1.6-branch leads to a segfault. Backtrace: Program received signal SIGSEGV, Segmentation fault. 0x000000000042c8d6 in privateExists (privates=0x290, key=0x205dddbcc) at /local/xorg/xserver/dix/privates.c:79 79 return *key && *privates && (gdb) bt #0 0x000000000042c8d6 in privateExists (privates=0x290, key=0x205dddbcc) at /local/xorg/xserver/dix/privates.c:79 #1 0x000000000042c3c3 in dixLookupPrivate (privates=0x290, key=0x205dddbcc) at /local/xorg/xserver/dix/privates.c:162 #2 0x00000002059a0e37 in XAAStateWrapSync (pScrn=0x206c0f000) at /local/xorg/xserver/hw/xfree86/xaa/xaaStateChange.c:323 #3 0x00000002092f7d08 in radeon_crtc_lock () from /usr/X11R6/lib/modules/drivers/radeon_drv.so #4 0x00000000004c894e in xf86CrtcSetModeTransform (crtc=0x20657a800, mode=0x20657a8e8, rotation=1, transform=0x0, x=0, y=0) at /local/xorg/xserver/hw/xfree86/modes/xf86Crtc.c:273 #5 0x00000000004cd711 in xf86SetDesiredModes (scrn=0x206c0f000) at /local/xorg/xserver/hw/xfree86/modes/xf86Crtc.c:2452 #6 0x00000002092d9b93 in RADEONScreenInit () from /usr/X11R6/lib/modules/drivers/radeon_drv.so #7 0x000000000042bed7 in AddScreen (pfnInit=0x2092d9360 <RADEONScreenInit>, argc=3, argv=0x7f7ffffecff8) at /local/xorg/xserver/dix/main.c:688 #8 0x000000000047c2a5 in InitOutput (pScreenInfo=0xa51440, argc=3, argv=0x7f7ffffecff8) at /local/xorg/xserver/hw/xfree86/common/xf86Init.c:1250 #9 0x000000000042b005 in main (argc=3, argv=0x7f7ffffecff8, envp=0x7f7ffffed018) at /local/xorg/xserver/dix/main.c:309