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SubjectRE: fyi megaraid problems
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<TITLE>RE: fyi megaraid problems</TITLE>

<P><FONT SIZE=2>I've compiled the 2.2.18 and 2.4.0 kernels with the latest megaraid driver (1.14b)</FONT>
<BR><FONT SIZE=2>and they work well. You should also upgrade your firmware to L148 (bios 3.11).</FONT>
<BR><FONT SIZE=2>I think the firmware revision depends on which model card you have, I have the</FONT>
<BR><FONT SIZE=2>1600 Elite.</FONT>

<P><FONT SIZE=2>This is on a Penguin Relion 120, 2 CPUs, PIII, 1G RAM.</FONT>
<BR><FONT SIZE=2>Two 35G drives configured as one logical drive.</FONT>

<P><FONT SIZE=2>I will say that I did float around for a while and found quite a few different</FONT>
<BR><FONT SIZE=2>versions of the driver (1.07b,1.13s,1b08b,1.13s0,1.14b, I have them all!)</FONT>
<BR><FONT SIZE=2>before Venkatesh Ramamurthy at AMI helped me figure this all out. (thanks Venkatesh!)</FONT>

<P><FONT SIZE=2>Venkatesh posted the 1.14b driver to this list a week or two ago, and you can</FONT>
<BR><FONT SIZE=2>get the firmware upgrade from</FONT>

<P><FONT SIZE=2>-----Original Message-----</FONT>
<BR><FONT SIZE=2>From: Heitzso [<A HREF=""></A>]</FONT>
<BR><FONT SIZE=2>Sent: Wednesday, January 24, 2001 11:51 AM</FONT>
<BR><FONT SIZE=2>To: ''</FONT>
<BR><FONT SIZE=2>Subject: fyi megaraid problems</FONT>

<P><FONT SIZE=2>don't know if this has been covered/studied</FONT>

<P><FONT SIZE=2>datapoints I've run across re the megaraid</FONT>
<BR><FONT SIZE=2>(scsi raid driver, american megatrends)</FONT>

<P><FONT SIZE=2>box: Dell PowerEdge 2300, 2 cpus, 1G RAM</FONT>

<P><FONT SIZE=2>hard drive setup as single drive via raid</FONT>
<BR><FONT SIZE=2>controller</FONT>

<P><FONT SIZE=2>RH6.1, compiled 2.2.13, megaraid works!</FONT>

<P><FONT SIZE=2>RH7.0 install/upgrade breaks on megaraid</FONT>
<BR><FONT SIZE=2>then, after forcing RH7.0 upgrade by hand </FONT>
<BR><FONT SIZE=2>&nbsp;(completely snuffed up with all updates as of jan 23 am ...)</FONT>
<BR><FONT SIZE=2>RH7.0 kernel (out of the rpm box 686 smp) breaks on megaraid</FONT>
<BR><FONT SIZE=2>RH7.0 2.2.16 kernel source from rpm </FONT>
<BR><FONT SIZE=2>&nbsp;compiled using 2.2.13 .config file</FONT>
<BR><FONT SIZE=2>&nbsp;and make oldconfig generates kernel that</FONT>
<BR><FONT SIZE=2>&nbsp;breaks on megaraid (used RH provided</FONT>
<BR><FONT SIZE=2>&nbsp;scripts to compile with kgcc)</FONT>
<BR><FONT SIZE=2>2.2.18 kernel ( compiled with gcc on RH7.0</FONT>
<BR><FONT SIZE=2>&nbsp;breaks on megaraid during boot</FONT>

<P><FONT SIZE=2>BUT! 2.4.1pre10 (, compiled with gcc on RH7.0</FONT>
<BR><FONT SIZE=2>&nbsp;the megaraid driver works again!</FONT>

<P><FONT SIZE=2>I was surprised that even 2.2.18 breaks</FONT>
<BR><FONT SIZE=2>then 2.4.1pre10 works, given RH's alliance</FONT>
<BR><FONT SIZE=2>with Dell.</FONT>

<P><FONT SIZE=2>I compiled a 2.4.0 and set it up in</FONT>
<BR><FONT SIZE=2>lilo.conf but haven't tried booting to it.</FONT>

<P><FONT SIZE=2>If it's useful to anyone, now that I have</FONT>
<BR><FONT SIZE=2>a good booting kernel I could recompile the</FONT>
<BR><FONT SIZE=2>old 2.2.13 setup and see whether the problem</FONT>
<BR><FONT SIZE=2>is due to a bad compiler env in RH7.0 or</FONT>
<BR><FONT SIZE=2>due to a bad megaraid module (i.e. if kernel</FONT>
<BR><FONT SIZE=2>that works fine now compiled under 6.1 </FONT>
<BR><FONT SIZE=2>breaks when recompiled under 7.0 then bug</FONT>
<BR><FONT SIZE=2>is in the RH7.0 compiler env; else bug is</FONT>
<BR><FONT SIZE=2>in megaraid shipped with 2.2.16, 2.2.18)</FONT>

<P><FONT SIZE=2>Let me know if someone needs a datapoint.</FONT>

<P><FONT SIZE=2>Heitzso</FONT>
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