Coe, Colin C. (Unix Engineer) wrote:
Yes.
You need to have acpi=off on the boot line. This will let your kernel
(or installer kernel) boot but your SATA drives will appear as old-style
PATA and be just as slow.
Should have been in bugzilla; the same problem was in Fedora 8 and is
closed, presumably fixed. I've entered a bug against RHEL5 (citing C5, I
don't have RHEL itself) referencing the Fedora bug.
I intend to buy another (they're coming up at an auction), so wanted to
confirm it acutally works. Found lots of hits, some my reports and
associated correspondence, some "this box is a lemon" which I know isn't
exactly true, some saying acpi=off.
I have one running Fedora/Rawhide (the disks vanish altogether with
2.6.25 kernels) and its performance seems fine, though I don't really
know what to expect in disk performance.
I'm told this is fixed in the latest kernels on www.kernel.org.
Since this is a corporates' box, it was a little surprised to reproduce
the problem in C5.1.
The workaround in Bugzilla is "pci=nomsi,nommconf" and that works on C5
(and Knoppix).
A "me too" from a user of genuine RHEL5 to
https://bugzilla.redhat.com/show_bug.cgi?id=441615 wouldn't hurt.
CC
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of John Summerfield
Sent: Thursday, 10 April 2008 6:57 AM
To: Red Hat Enterprise Linux 5 (Tikanga) discussion mailing-list
Subject: [rhelv5-list] HP DC7700
Is anyone here using Tikanga or Tikanga-clone on an HP DC7700?
What's the outcome?
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Cheers
John
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