Description of problem: During its initialization, X.Org crashes with SIGSEGV shortly after loading SiS driver. As Anaconda relies on X, this makes installation of F18 on machines with such video adapter impossible. (The alternative VESA driver results in only part of the screen visible.) Version-Release number of selected component (if applicable): xorg-x11-server-Xorg-1.13.0-11.fc18.i686 xorg-x11-drv-sis-0.10.7-2.fc18.i686 How reproducible: Every time. Steps to Reproduce: 1. Get F18 installation image (DVD, Live DVD, netinst...) 2. Create desired media (DVD, USB...) 3. Boot and chose to install F18 Actual results: When Anaconda starts X.Org, the latter crashes with SIGSEGV. Expected results: Normal initialization of X.Org. Additional info: In F18 the SiS driver was updated from 0.10.4 to 0.10.7. F17 has 0.10.4 and the driver works correctly. Video adapter PCI ID from 'lspci' and 'lspci -n': 01:00.0 0300: 1039:6325 "VGA compatible controller" "Silicon Integrated Systems [SiS]" "65x/M650/740 PCI/AGP VGA Display Adapter" "ASUSTeK Computer Inc." "Device 8081"
Created attachment 679853 [details] X.log I tested the F18 Release DVD on USB and: Backtrace;: [ 26.123] (**) Option "xkb_layout" "us" [ 41.869] (EE) [ 41.869] (EE) Backtrace: [ 41.869] (EE) 0: Xorg (xorg_backtrace+0x36) [0x46c316] [ 41.869] (EE) 1: Xorg (0x400000+0x71c49) [0x471c49] [ 41.869] (EE) 2: /lib64/libpthread.so.0 (0x7f1e84062000+0xf000) [0x7f1e84071000] [ 41.869] (EE) 3: /lib64/libc.so.6 (0x7f1e82ab4000+0x8e88b) [0x7f1e82b4288b] [ 41.869] (EE) 4: /usr/lib64/xorg/modules/drivers/sis_drv.so (0x7f1e81a93000+0x2925c) [0x7f1e81abc25c] [ 41.869] (EE) 5: /usr/lib64/xorg/modules/libexa.so (0x7f1e80e3a000+0x5dcb) [0x7f1e80e3fdcb] [ 41.869] (EE) 6: /usr/lib64/xorg/modules/libexa.so (0x7f1e80e3a000+0x61a8) [0x7f1e80e401a8] [ 41.869] (EE) 7: /usr/lib64/xorg/modules/libexa.so (0x7f1e80e3a000+0x6d74) [0x7f1e80e40d74] [ 41.869] (EE) 8: /usr/lib64/xorg/modules/libexa.so (0x7f1e80e3a000+0x6e74) [0x7f1e80e40e74] [ 41.869] (EE) 9: /usr/lib64/xorg/modules/libexa.so (0x7f1e80e3a000+0x12898) [0x7f1e80e4c898] [ 41.869] (EE) 10: /usr/lib64/xorg/modules/libexa.so (0x7f1e80e3a000+0xf21c) [0x7f1e80e4921c] [ 41.869] (EE) 11: Xorg (0x400000+0x12a3c9) [0x52a3c9] [ 41.869] (EE) 12: Xorg (miGlyphs+0x403) [0x5190c3] [ 41.869] (EE) 13: /usr/lib64/xorg/modules/libexa.so (0x7f1e80e3a000+0x12d37) [0x7f1e80e4cd37] [ 41.870] (EE) 14: Xorg (0x400000+0x12a651) [0x52a651] [ 41.870] (EE) 15: Xorg (0x400000+0x123856) [0x523856] [ 41.870] (EE) 16: Xorg (0x400000+0x395ea) [0x4395ea] [ 41.870] (EE) 17: Xorg (0x400000+0x2805a) [0x42805a] [ 41.870] (EE) 18: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x7f1e82ad5a05] [ 41.870] (EE) 19: Xorg (0x400000+0x2839d) [0x42839d] [ 41.870] (EE) [ 41.870] (EE) Segmentation fault at address 0x3c7d8 [ 41.870] Fatal server error: [ 41.870] Caught signal 11 (Segmentation fault). Server aborting [ 41.870] [ 41.870] (EE) Please consult the Fedora Project support at http://wiki.x.org SiS VGA: 01:00.0 VGA compatible controller [0300]: Silicon Integrated Systems [SiS] 661/741/760 PCI/AGP or 662/761Gx PCIE VGA Display Adapter [1039:6330] (rev 03) Additional Info: Booting in 'Basic Video' (VESA) does work for me. (The monitor max resolution is very low by today standards... a CRT 1024x768....).
Possible Workaround I have ran into this bug on CentOS 6.4 x86_64: xorg-x11-server-Xorg-1.13.0-11.el6.centos.x86_64 xorg-x11-drv-sis-0.10.7-2.el6.x86_64 CentOS 6.4 is still GLIBC_2.12 (Fedora 18 is GLIBC_2.14) so drivers from Fedora will not work though obviously issue is not related to version of GLIBC (if that is helpful). But it works if NoAccel option is enabled - add following line in Section "Device": Option "NoAccel" "True" It works, and detects resolution properly. Hope it helps!
Looks like this bug is now part of CentOS 6.4. too :-) If you're bold enough, here is my guide how to get back a fully accelerated X server on Fedora 18 by compiling an older version of X.org manually. Also works on CentOS 6.4 (tried myself few days ago). http://www.zavedil.com/accelerated-x-server-for-sis-video-on-fedora-18/ WWell,
I've created bug 987519 for RHEL6 which might well be the same issue.
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