Problems with Aurora 2.0 beta 2: segv in ping, start_udev/udevstart

I have installed beta 2 several times on a sparc Ultra 10 in the last few days.  
After completing install, and after a few hours of otherwise trouble-free
operation, ping and su segfault.  Once trouble started I rebooted. On reboot,
the first problem is seen in /sbin/start_udev, when udevstart segfaults.  
System eventually hangs hard before getting prefdm started. Booting single 
results in a shell.

A strace of udevstart in single user shell results in 
syscall: unknown syscall trap 0a800004 75741414

Strace of ping results in segfault in mprotect(0x701e2000....
This address is in /lib/tls/libc-2.3.3.so

Booting from a cdrom, using the shell in F2, and then setting LD_LIBRARY_PATH to
/mnt/sysimage/lib causes CDrom bins to fail in the same way.  It seems perhaps 
the /lib directory is corrupted...

I tried moving /mnt/sysimage/lib to /mnt/sysimage/lib.x and copying in the
/mnt/runtime/lib.  This allows cdrom bins to work with LD_LIBRARY_PATH set to
/mnt/sysimage/lib.  However, a chroot to /mnt/sysimage then still has the same
problem.  It seems that perhaps something else is broken.  

Whatever it is, its in userspace because it can be changed by replacing /lib or
chrooting, and it affects the kernel operation because syscalls like mprotect
aren't completing.


Its just a guess but maybe something is broken with SELinux.... Googling
suggested that maybe select and mprotect are borken in Aurora. Does anyone have
any more information about this?

I also notice that SELinux is turned off in Anaconda.  (I didn't run FC3 on
i386, but its on in FC4) Is there an aurora-specific reason for this?


Thanks much!


		--Dean

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