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June 2005

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Subject:
From:
Joakim Sernbrant <[log in to unmask]>
Reply To:
Joakim Sernbrant <[log in to unmask]>
Date:
Thu, 9 Jun 2005 09:57:35 +0200
Content-Type:
text/plain
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text/plain (164 lines)
I have installed SL4 on a Dell PE650 without any problems. Not using
SCSI/iptables though...

[root@trick ~]# uname -a; lsmod; lspci
Linux trick 2.6.9-5.0.5.EL #1 Tue Apr 19 14:33:20 CDT 2005 i686 i686
i386 GNU/Linux
Module                  Size  Used by
md5                     4033  1
ipv6                  232833  14
parport_pc             24705  0
lp                     12077  0
parport                37129  2 parport_pc,lp
autofs4                23237  0
sunrpc                157093  1
button                  6481  0
battery                 8901  0
ac                      4805  0
ohci_hcd               21329  0
e1000                  79309  0
floppy                 58481  0
dm_snapshot            17029  0
dm_zero                 2369  0
dm_mirror              22957  2
ext3                  116809  2
jbd                    71257  1 ext3
dm_mod                 54741  6 dm_snapshot,dm_zero,dm_mirror
00:00.0 Host bridge: ServerWorks GCNB-LE Host Bridge (rev 32)
00:00.1 Host bridge: ServerWorks GCNB-LE Host Bridge
00:04.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
00:05.0 IDE interface: Silicon Image, Inc. (formerly CMD Technology Inc)
PCI0680 Ultra ATA-133 Host Controller (rev 02)
00:0f.0 Host bridge: ServerWorks CSB6 South Bridge (rev a0)
00:0f.1 IDE interface: ServerWorks CSB6 RAID/IDE Controller (rev a0)
00:0f.2 USB Controller: ServerWorks CSB6 OHCI USB Controller (rev 05)
00:0f.3 ISA bridge: ServerWorks GCLE-2 Host Bridge
00:10.0 Host bridge: ServerWorks CIOB-E I/O Bridge with Gigabit Ethernet
(rev 12)
00:10.2 Host bridge: ServerWorks CIOB-E I/O Bridge with Gigabit Ethernet
(rev 12)
01:03.0 Ethernet controller: Intel Corp. 82546EB Gigabit Ethernet
Controller (Copper) (rev 01)
01:03.1 Ethernet controller: Intel Corp. 82546EB Gigabit Ethernet
Controller (Copper) (rev 01)


> -----Original Message-----
> From: [log in to unmask]
> [mailto:[log in to unmask]] On
> Behalf Of Gregory Harris
> Sent: Wednesday, June 08, 2005 23:40
> To: John Franks
> Cc: [log in to unmask]
> Subject: Re: SL4 on dell poweredge 750 problems
>
> I have been doing more investigation on this issue.  You are
> right about
> the ethernet drivers.  But it does not only happen when using ssh, it
> also happens at the console until a ping packet (or some
> other network
> activity) brings the race condition back to normal.
>
> After disabling the two onboard e1000 network ports and installing a
> 3c905 network card, the race condition no longer occurs.  So
> I believe
> that there is a problem with the e1000 kernel module causing a race
> condition.  I have only been able to verify this on the
> PowerEdge 750.
> If anybody else has an e1000 card and would like to test this
> it would
> be great, but I would wager this problem exists on all
> systems with the
> e1000 driver.
>
> I guess for now, I will sit it out with a different network card
> replacing the onboard one until the upstream vendor releases a new
> kernel fix.
>
> Greg
>
> John Franks wrote:
> > Does this happen only when using ssh?  If so, I would suspect issues
> > with the ethernet drivers.  There have been problems with
> the drivers
> > for some Broadcom devices.  You might check out redhat bugzilla.
> >
> > On Fri, 2005-05-13 at 09:08 -0500, Gregory Harris wrote:
> >
> >>Hi Folks,
> >>
> >>SL4 works great on all of the Dell Optiplex GX280's I've
> tried it on.
> >>However, I'm having some rather mysterious behavior on a
> dell poweredge
> >>750.  Dell has said they will start certifying hardware and
> officially
> >>supporting the vendor's enterprise 4 operating system next
> month, so it
> >>may not be worth the effort to try to figure this out.  Anyhow, I
> >>thought I'd sent to the list and see if anybody else is having any
> >>issues like this.
> >>
> >>1.  Sometimes, processes just seem to hang.  I've noticed
> this over an
> >>SSH session, a lot of times when using the yum command.  I
> ssh in to the
> >>server and see the process still in the process table.
> >>
> >>2.  Doing a 'service iptables restart', the system stalls on the
> >>"Unloading iptables modules:".  If I go to a different
> window and ping
> >>the server, the iptables service restart resumes.
> >>
> >>These issues aren't sounding like userland issues to me,
> although they
> >>very well could be.  Here are the kernel modules the
> machine is using:
> >>
> >>Module                  Size  Used by
> >>ipt_REJECT             10561  1
> >>ipt_state               5825  14
> >>ip_conntrack           45701  1 ipt_state
> >>iptable_filter          6721  1
> >>ip_tables              21441  3 ipt_REJECT,ipt_state,iptable_filter
> >>md5                     8001  1
> >>ipv6                  238945  16
> >>parport_pc             27905  0
> >>lp                     15405  0
> >>parport                37641  2 parport_pc,lp
> >>autofs4                22085  0
> >>nfs                   200997  6
> >>lockd                  65129  2 nfs
> >>sunrpc                137637  9 nfs,lockd
> >>dm_mod                 57157  0
> >>button                 10449  0
> >>battery                12869  0
> >>ac                      8773  0
> >>uhci_hcd               32473  0
> >>ehci_hcd               31813  0
> >>e1000                  82253  0
> >>floppy                 58065  0
> >>ext3                  118473  3
> >>jbd                    59481  1 ext3
> >>ata_piix               12357  0
> >>libata                 44229  1 ata_piix
> >>aacraid                44529  4
> >>sd_mod                 20545  5
> >>scsi_mod              116301  3 libata,aacraid,sd_mod
> >>
> >>Thanks,
> >>
> >>Greg
> >>
> >>
>
> --
>
> Gregory Harris
> Network Specialist
> Department of Mathematics
> The University of Kansas
> [log in to unmask]
> (785) 864-7311
>

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