Package: rng-tools
Version: 2-unofficial-mt.12-1
Severity: normal
I suspect the cpuid parsing in the viapadlock engine doesn't play
nicely with my cpu. Here are the various relevant (I hope) details:
$ zgrep HW_RANDOM /proc/config.gz
CONFIG_HW_RANDOM=y
# CONFIG_HW_RANDOM_INTEL is not set
# CONFIG_HW_RANDOM_AMD is not set
# CONFIG_HW_RANDOM_GEODE is not set
CONFIG_HW_RANDOM_VIA=y
$ grep RNG /var/log/dmesg
VIA RNG detected
$ cat /proc/cpuinfo
processor : 0
vendor_id : CentaurHauls
cpu family : 6
model : 10
model name : VIA Esther processor 1000MHz
stepping : 9
cpu MHz : 797.968
cache size : 128 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge cmov pat
clflush acpi mmx fxsr sse sse2 tm nx pni est tm2 rng rng_en ace ace_en ace2
ace2_en phe phe_en pmm pmm_en
bogomips : 1596.44
clflush size : 64
power management:
(Obviously the e_powersaver cpufreq driver is doing it's thing.)
Here's the last bit of an strace of the command:
/usr/sbin/rngd -f -r /dev/hwrng --hrng=viapadlock
open("/dev/cpu/0/msr", O_RDWR) = 3
open("/dev/cpu/0/cpuid", O_RDONLY) = 4
lseek(4, 0, SEEK_SET) = 0
read(4, "\1\0\0\0CentaulsaurH\251\6\0\0\0\10\1\0\201\1\0\0\377\273\311\247"...,
32) = 32
lseek(4, 3221225472, SEEK_SET) = 3221225472
read(4, 0xbff1d3ac, 32) = -1 EINVAL (Invalid argument)
close(3) = 0
close(4) = 0
write(2, "Could not initialize VIA PadLock "..., 58Could not initialize VIA
PadLock RNG set: Invalid argument) = 58
write(2, "\n"..., 1
) = 1
exit_group(12) = ?
(it would also be cool if the docs mentioned that he cpuid and msr modules
needed to be available for this mode to work, I had to find that out the
hard-way)
--
Jamie Heilman http://audible.transient.net/~jamie/
"...thats the metaphorical equivalent of flopping your wedding tackle
into a lion's mouth and flicking his lovespuds with a wet towel, pure
insanity..." -Rimmer
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