same x-error-msg for me, but restarting does not help for me, as hald
seems allways to crash

[ 1241.662217] hald[3543]: segfault at 0 ip 08057d90 sp bfc1ce90 error 4
in hald[8048000+5a000]

at the moment i can't use X anymore :-((
i have intel graphic

"strace -f  hald" gives
....
[pid  3614] open("/sys/devices/pci0000:00/0000:00:00.0/device", 
O_RDONLY|O_LARGEFILE) = 15
[pid  3614] fstat64(15, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid  3614] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0xb7780000
[pid  3614] read(15, "0x3580\n", 4096)  = 7
[pid  3614] close(15)                   = 0
[pid  3614] munmap(0xb7780000, 4096)    = 0
[pid  3614] open("/sys/devices/pci0000:00/0000:00:00.0/vendor", 
O_RDONLY|O_LARGEFILE) = 15
[pid  3614] fstat64(15, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid  3614] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0xb7780000
[pid  3614] read(15, "0x8086\n", 4096)  = 7
[pid  3614] close(15)                   = 0
[pid  3614] munmap(0xb7780000, 4096)    = 0
[pid  3614] open("/sys/devices/pci0000:00/0000:00:00.0/subsystem_device", 
O_RDONLY|O_LARGEFILE) = 15
[pid  3614] fstat64(15, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid  3614] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0xb7780000
[pid  3614] read(15, "0x11d5\n", 4096)  = 7
[pid  3614] close(15)                   = 0
[pid  3614] munmap(0xb7780000, 4096)    = 0
[pid  3614] open("/sys/devices/pci0000:00/0000:00:00.0/subsystem_vendor", 
O_RDONLY|O_LARGEFILE) = 15
[pid  3614] fstat64(15, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid  3614] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0xb7780000
[pid  3614] read(15, "0x10cf\n", 4096)  = 7
[pid  3614] close(15)                   = 0
[pid  3614] munmap(0xb7780000, 4096)    = 0
[pid  3614] open("/sys/devices/pci0000:00/0000:00:00.0/class", 
O_RDONLY|O_LARGEFILE) = 15
[pid  3614] fstat64(15, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid  3614] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0xb7780000
[pid  3614] read(15, "0x060000\n", 4096) = 9
[pid  3614] close(15)                   = 0
[pid  3614] munmap(0xb7780000, 4096)    = 0
[pid  3614] --- SIGSEGV (Segmentation fault) @ 0 (0) ---
Process 3614 detached
[pid  3613] <... select resumed> )      = ? ERESTARTNOHAND (To be restarted)
[pid  3613] --- SIGCHLD (Child exited) @ 0 (0) ---
[pid  3613] sigreturn()                 = ? (mask now [])
[pid  3613] exit_group(1)               = ?
<... poll resumed> )                    = 1 ([{fd=3, revents=POLLIN|POLLHUP}])
read(3, "", 2048)                       = 0
close(3)                                = 0
exit_group(1)                           = ?
Process 3615 detached

-- 
hal error makes xorg unusable
https://bugs.launchpad.net/bugs/434721
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