linux 3d applications keep crashing

[Chagin Dmitry]

On Sat, Mar 14, 2009 at 12:03:25AM +0100, Alexander Best wrote:
> hi there,
> 
> a lot of people who are using the nvidia closed source driver are having
> problems running linux 3d applications. the libGL.so.1 library (linux version
> in /compat/linux/usr/lib) causes almost every linux 3d app to segfault. since
> the library is the very same one that get's installed under linux the problem
> very likely resides in the linuxulator.
> 
> i ran two linux games with ktrace. this is the output from linux_kdump. i hope
> i copy&pasted the important pieces of the dump that report the crash.
> 
> dump from unreal tournament 2004 demo:
> 
> ...
>   1180 ut2004-bin RET   close 0
>   1180 ut2004-bin CALL  linux_brk(0xae5c000)
>   1180 ut2004-bin RET   linux_brk 182829056/0xae5c000
>   1180 ut2004-bin CALL  linux_getpid
>   1180 ut2004-bin RET   linux_getpid 1180/0x49c
>   1180 ut2004-bin CALL  linux_getpid
>   1180 ut2004-bin RET   linux_getpid 1180/0x49c
>   1180 ut2004-bin CALL  linux_getpid
>   1180 ut2004-bin RET   linux_getpid 1180/0x49c
>   1180 ut2004-bin CALL
>   linux_sys_futex(0x2b406e30,0x81,0x7fffffff,0,0x49c,0x7)
>   1180 ut2004-bin RET   linux_sys_futex 1
>   1180 ut2004-bin PSIG  SIGSEGV caught handler=0x874bd50 mask=0x0 code=0x0
>   1180 ut2004-bin CALL  linux_fstat64(0x1,0xbfbfa9e8,0x28fe8ff4)
>   1180 ut2004-bin UNKNOWN(8)    1180 ut2004-bin RET   linux_fstat64 0
>   1180 ut2004-bin CALL  linux_mmap2(0,0x1000,0x3,0x22,0xffffffff,0)
>   1180 ut2004-bin RET   linux_mmap2 688971776/0x2910e000
>   1180 ut2004-bin CALL  write(0x1,0x2910e000,0x25)
>   1180 ut2004-bin GIO   fd 1 wrote 37 bytes
>        "Signal: SIGSEGV [segmentation fault]
>        "
>   1180 ut2004-bin RET   write 37/0x25
>   1180 ut2004-bin CALL  write(0x1,0x2910e000,0xa)
>   1180 ut2004-bin GIO   fd 1 wrote 10 bytes
>        "Aborting.
>        "
>   1180 ut2004-bin RET   write 10/0xa
>   1180 ut2004-bin CALL  write(0x1,0x2910e000,0x1)
>   1180 ut2004-bin GIO   fd 1 wrote 1 byte
>        "
>        "
>   1180 ut2004-bin RET   write 1
>   1180 ut2004-bin CALL  write(0x1,0x2910e000,0x1)
>   1180 ut2004-bin GIO   fd 1 wrote 1 byte
>        "
>        "
>   1180 ut2004-bin RET   write 1
>   1180 ut2004-bin CALL  write(0x1,0x2910e000,0x31)
>   1180 ut2004-bin GIO   fd 1 wrote 49 bytes
>        "Crash information will be saved to your logfile.
>        "
>   1180 ut2004-bin RET   write 49/0x31
>   1180 ut2004-bin CALL
>   linux_sys_futex(0x28feba34,0x81,0x7fffffff,0,0xbfbfab14,0xbfbfaaec)
>   1180 ut2004-bin RET   linux_sys_futex 1
>   1180 ut2004-bin CALL
>   linux_sys_futex(0x28e8eb48,0x81,0x7fffffff,0,0xbfbfaa30,0xbfbfa93c)
>   1180 ut2004-bin RET   linux_sys_futex 1
>   1180 ut2004-bin CALL  write(0x4,0x937c3c8,0xc)
> ...
> 
> and dump from quake 4 demo:
> 
> ...
>   1285 quake4.x86 RET   close 0
>   1285 quake4.x86 CALL  linux_getpid
>   1285 quake4.x86 RET   linux_getpid 1285/0x505
>   1285 quake4.x86 CALL  linux_getpid
>   1285 quake4.x86 RET   linux_getpid 1285/0x505
>   1285 quake4.x86 CALL  linux_getpid
>   1285 quake4.x86 RET   linux_getpid 1285/0x505
>   1285 quake4.x86 CALL
>   linux_sys_futex(0x2dbece30,0x81,0x7fffffff,0,0x505,0x7)
>   1285 quake4.x86 RET   linux_sys_futex 1
>   1285 quake4.x86 PSIG  SIGSEGV caught handler=0x8254b10 mask=0x0 code=0x0
>   1285 quake4.x86 CALL
>   linux_sys_futex(0x286cd620,0x81,0x7fffffff,0,0x505,0xbfbfc51c)
>   1285 quake4.x86 RET   linux_sys_futex 1
>   1285 quake4.x86 CALL  write(0x1,0x283dd000,0x22)
>   1285 quake4.x86 GIO   fd 1 wrote 34 bytes
>        "signal caught: Segmentation fault
>        "
>   1285 quake4.x86 RET   write 34/0x22
>   1285 quake4.x86 CALL  write(0x1,0x283dd000,0xa)
>   1285 quake4.x86 GIO   fd 1 wrote 10 bytes
>        "si_code 1
>        "
>   1285 quake4.x86 RET   write 10/0xa
>   1285 quake4.x86 CALL  write(0x1,0x283dd000,0x1c)
>   1285 quake4.x86 GIO   fd 1 wrote 28 bytes
>        "Trying to exit gracefully..
>        "
>   1285 quake4.x86 RET   write 28/0x1c
>   1285 quake4.x86 CALL  write(0x1,0x283dd000,0x2e)
>   1285 quake4.x86 GIO   fd 1 wrote 46 bytes
>        "--------------- BSE Shutdown ----------------
>        "
>   1285 quake4.x86 RET   write 46/0x2e
>   1285 quake4.x86 CALL  write(0x1,0x283dd000,0x2e)
>   1285 quake4.x86 GIO   fd 1 wrote 46 bytes
>        "---------------------------------------------
>        "
>   1285 quake4.x86 RET   write 46/0x2e
>   1285 quake4.x86 CALL  write(0x1,0x283dd000,0x35)
>   1285 quake4.x86 GIO   fd 1 wrote 53 bytes
>        "WARNING: rvServerScanGUI::Clear() - invalid scanGUI
> 
>        "
>   1285 quake4.x86 RET   write 53/0x35
>   1285 quake4.x86 CALL  munmap(0x2d0ee000,0x101000)
>   1285 quake4.x86 RET   munmap 0
>   1285 quake4.x86 CALL  munmap(0x2d1ef000,0x101000)
> ...
> 
> to me it looks like the app crashes during the futex syscall, but i'm far from
> beeing an expert.
> 
> it would be great if somebody could take a closer look at this.
> 

pls uname -a and try patch bellow (current)

http://78.107.232.239/futex.c.33.patch

-- 
Have fun!
chd
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