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February 2017

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Mailing list for Scientific Linux users worldwide <[log in to unmask]>
Date:
Fri, 17 Feb 2017 08:33:10 -0800
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Konstantin Olchanski <[log in to unmask]>
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Subject:
Re: Need help Debuging boot
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Konstantin Olchanski <[log in to unmask]>
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To: "~Stack~" <[log in to unmask]>
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On Thu, Feb 16, 2017 at 10:07:55PM -0600, ~Stack~ wrote:
> I have a bunch of new SuperMicro servers. Installed 7.3 on it. Reboot and it hangs at:
> "Probing EDD (edd=off to disable)...ok"

That's a BIOS message, not a linux or grub message, yes?

(I do not see any EDD messages in the linux log files)

Anyhow, *which* SuperMicro servers? (so I do not buy the same)

> However, if I let it sit long enough it will boot (once one sat for an
> hour before it continued on, most of the time it is closer to 30-40
> minutes).

The SuperMicro mobo/bios is notorious for slow booting, takes a good few minutes
from powerup to grub menu. But 30 min is extreme, yes.

> If I boot into rescue kernel, it instantly boots. Every time. This is so
> puzzling to me.

How do you mean? The "EDD" message is before grub menu or after grub menu?

-- 
Konstantin Olchanski
Data Acquisition Systems: The Bytes Must Flow!
Email: olchansk-at-triumf-dot-ca
Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada

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