[CentOS] CentOS 4.4 Strange hang on a poweredge 2900.

Sat Dec 23 23:37:54 UTC 2006
Brent Rynn <brent at regrafix.com>

Just out of curriosity are you running 64bit or 32bit version of centos?

The 32 bit version usually gives less problems.



>> I have a brand new poweredge 2900 with 10 SAS drives configured in two
>> arrays via the built-in PERC 5 raid controller as:
>>
>> raid 1: 2x73GB
>>
>> raid 10: 8x300GB
>>
>> It's got 4GB of ram, and it's intended to be an NFS filestore.
>>
>>
>> For some strange reason, logging in with ssh works great, it returns a
>> prompt, all seems well.
>>
>> I go to run a simple command like 'top' or 'yum -y install <package>',
>> and my xterm/ssh session just locks.  In some cases, it's drawn half of
>> the
>> top screen and hung, in other cases, it doesn't even do that.  Kill the
>> xterm window, bring a new one up, right back in, try it again, it
>> repeats.
>>
>>
>> What's interesting to me is that I have all kinds of other 'lesser'
>> systems running CentOS 4.4, and I have none of these issues with them.
>> My
>> ~1.1TB raid 10 drive is
>> sliced up into 4 parts, with the big one being about 950GB.  Near as I
>> can
>> figure, I haven't hit any limitations, but I'm stumped by something that
>> I
>> *think* is probably either relatively trivial, or
>> just a straight out hardware incompatibility.  One thought is that it
>> could
>> be related to the Gb ethernet devices (bge).
>>
>> Commands like 'ifconfig -a' work great.  'dmesg | grep eth0' locks up
>> the session.
>>
>> This is relatively frustrating.  Googling doesn't seem to net any real
>> results, and I can't seem to find anything relevant in the logs.
>>
>>
>> One more relevant bit to add, this behavior does not exist from the
>> console.
>>
>> Peter
>>
>>
>> --
>> Peter Serwe <peter at infostreet dot com>
>> http://www.infostreet.com
>>
>>
>> "The only true sports are bullfighting, mountain climbing and auto
>> racing." -Ernest Hemingway
>>
>> "Because everything else requires only one ball." -Unknown
>>
>>
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>>
>>
>
> Hi,
>
> Have you tried booting with the non-smp kernel to see it the same problem
> occurs?
>
> If you have an Intel nic handy you could try to see if that eliminates the
> problem. I recently had trouble with the sky2 module, but in that case, I
> would loose all network connectivity until the module was reloaded. I have
> now had no problems since switching to the Intel nic.
>
> Hope that helps.
>
> A.
>
>
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