I have skas3-v8 host servers with model 4 processes and good (100+ day)
uptimes. The host server I had issues with (host38) got converted to
Xen and is still having problems. I am seeing issues with host34 that
require the odd restart. That server runs the same CPU model and kernel
code as other servers of mine with good uptime.
My conclusion is that I must be seeing hardware issues rather than a
skas bug.
- Peter
# for ((i=34;i<41;i++)); do echo host$i $(ssh host$i 'echo $(cat
/proc/cpuinfo | grep model | grep -v name | head -n 1) $(uname -r)
$(uptime)'); done
host34 model : 2 2.6.11.10-skas3-v8 21:52:37 up 15:19, 0 users, load
average: 1.64, 1.60, 1.32
host35 model : 4 2.6.11.7-skas3-v8 21:49:21 up 42 days, 12:15, 0 users,
load average: 13.72, 9.66, 5.21
host36 model : 4 2.6.11.12-skas3-v8.2 21:49:23 up 61 days, 0 min, 0
users, load average: 1.26, 1.44, 1.78
host37 model : 4 2.6.11.7-skas3-v8 21:49:25 up 121 days, 9:48, 0 users,
load average: 0.91, 1.04, 1.14
host38 model : 2 2.6.11.12-xen0 21:49:26 up 7 days, 13:28, 0 users, load
average: 0.02, 0.05, 0.01
host39 model : 4 2.6.11.7-skas3-v8 21:49:28 up 106 days, 2:46, 0 users,
load average: 0.59, 0.65, 0.70
host40 model : 4 2.6.11.7-skas3-v8 21:49:39 up 121 days, 9:47, 0 users,
load average: 0.27, 0.43, 0.47
Christopher S. Aker wrote:
Christopher S. Aker wrote:
Has there been any progress on the race in SKAS? I've been dealing
with 2-4 hosts crashing a week. Same thing happens on my old SKAS
kernel, 2.6.7 with skas3-v4 or so.
Jeff and I realized that this only happens on Xeon processors where the
model number is > 2. None of my model 2 Xeon hosts crash, but my model
3 and model 4 xeons do. grep model /proc/cpuinfo for info. I've had
skas3-v4 and skas3-v8.2 generate the same panic, so it's something
processor model specific.
Peter, can you verify the problems you've had are on hosts with a model
3 or 4 Xeon processor? Also, with regard to 2.6.12, I'm not sure we're
looking at the same issue, as I had problems with that kernel too but
wasn't able to verify it was the same panic. I have had 2.6.13 working,
and it does generate the same SKAS panic eventually.
Thanks,
-Chris
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