Keir,
Thanks for your response. I'm attempting to do what you have asked and have run
into a few problems
I've outlined below. Please let me know how I can proceed.
Thanks
Adnan
Before going to the next step, using the same setup as in my original email
(Xen included with SuSE),
I noticed is that xend does not launch successfully here. Here is the xend
output from /var/xend.log
[2006-07-28 16:13:02 xend 3911] INFO (SrvDaemon:283) Xend Daemon started
[2006-07-28 16:13:02 xend 3911] ERROR (SrvDaemon:297) Exception starting xend
((38, 'Function not implemented'))
Traceback (most recent call last):
File "//usr/lib64/python/xen/xend/server/SrvDaemon.py", line 286, in run
xinfo = xc.xeninfo()
Error: (38, 'Function not implemented')
[2006-07-28 16:13:02 xend 3910] INFO (SrvDaemon:183) Xend exited with status 1.
Any idea why this might be?
As per your instructions, in order to reproduce the problems on the kernel.org
based linux 2.6.16 that xen-unstable uses,
I obtained the latest version of xen-unstable.hg and built it.
I'm now faced with a different problem, I cannot get the kernel to boot up.
Instead I get the following message
:
:
NFORCE3-150: IDE controller at PCI slot 0000:00:08.0
NFORCE3-150: chipset revision 165
NFORCE3-150: not 100% native mode: will probe irqs later
NFORCE3-150: BIOS didn't set cable bits correctly. Enabling workaround.
NFORCE3-150: 0000:00:08.0 (rev a5) UDMA133 controller
ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
input: ImExPS/2 Generic Explorer Mouse as /class/input/input1
hda: IC35L040AVER07-0, ATA DISK drive
hdb: IBM-DTLA-307030, ATA DISK drive
ide0 at 0x1f0 - 0x1f7, 0x3f6 on irq 14
hdc: SAMSUNG CDRW/DVD SM-352B, ATAPI CD/DVD-ROM drive
ide1 at 0x170 - 0x177, 0x376 on irq 15
Loading processor
Loading thermal
Loading fan
Loading resierfs
Waiting for /dev/hda2 to appear .................... not found -- Exiting to
/bin/sh
Actually this is the final screen so thats all I can record, I do not what
messages have been spit out before. Is there anyway I can record or slow down
the boot messages and have them saved even though the kernel never finishes
booting? I guess in this case, since it never sees the hda2, I guess I would
have to save it to a floppy or something. I do not what is different between my
compiled version of xen-unstable and the version they supply with SuSE but
since I can't diff the boot messages from my xen-unstable, I'm kinda lost. As
you can see, all the devices are seen correctly.
For comparison sake, using the SuSE Xen, the similar portion of the boot
message looks quite a bit different. There is no "Loading processor" etc.
<6>NFORCE3-150: IDE controller at PCI slot 0000:00:08.0
<6>NFORCE3-150: chipset revision 165
<6>NFORCE3-150: not 100% native mode: will probe irqs later
<4>NFORCE3-150: BIOS didn't set cable bits correctly. Enabling workaround.
<6>NFORCE3-150: 0000:00:08.0 (rev a5) UDMA133 controller
<6> ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
<6> ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
<7>Probing IDE interface ide0...
<4>hda: IC35L040AVER07-0, ATA DISK drive
<4>hdb: IBM-DTLA-307030, ATA DISK drive
<4>ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
<6>hda: max request size: 128KiB
<6>hda: 80418240 sectors (41174 MB) w/1916KiB Cache, CHS=65535/16/63, UDMA(100)
<6>hda: cache flushes not supported
<6> hda: hda1 hda2
<6>hdb: max request size: 128KiB
<6>hdb: 60036480 sectors (30738 MB) w/1916KiB Cache, CHS=59560/16/63, UDMA(100)
<6>hdb: cache flushes not supported
<6> hdb: hdb1
<7>Probing IDE interface ide1...
<4>hdc: SAMSUNG CDRW/DVD SM-352B, ATAPI CD/DVD-ROM drive
<4>ide1 at 0x170-0x177,0x376 on irq 15
<5>ReiserFS: hda2: found reiserfs format "3.6" with standard journal
<5>ReiserFS: hda2: using ordered data mode
<4>reiserfs: using flush barriers
<5>ReiserFS: hda2: journal params: device hda2, size 8192, journal first block
18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
<5>ReiserFS: hda2: checking transaction log (hda2)
So at this point I'm thinking that I must be doing something really wrong and
bad. I have another dual opteron box based on the AMD chipset so I try to build
xen from xen-unstable and try to boot that. Granted there are several things
different between the 2 boxes but it booted the xen unstable kernel
on the first attempt with no problems.
I've been told that NForce chipsets can be problematic and am wondering if that
is the case.
----- Original Message -----
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
To: adnan@xxxxxxxxxxxxxxxxxxx
Cc: Ian.Pratt@xxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx
Sent: Wed, 26 Jul 2006 05:07:55 -0500
Subject: Re: [Xen-devel] Network stops responding after some time
>
> On 24 Jul 2006, at 19:49, Adnan Khaleel wrote:
>
> > I need help in trying to understand why the ethernet driver has locked
> > up and how I can go about outputting debug messages. I see in
> > /proc/interrrupts that the interrupt count of eth0 just stops
> > incrementing. I've tried different (3Com, Realtek 8169, Realtek 8139)
> > based network cards and this happens with all. I'm not sure what is so
> > unique about my system that might be causing this to lockup, its a
> > regular Nforce3 based system with 512MB ram. This problem does not
> > happen if I'm not using a Xen enabled kernel. This is entirely
> > happening in dom0 and there aren't any user domains so its not a
> > bridging issue. I've also disabled the Xen backend drivers (netbk.ko
> > and netloop.ko) so its talking to the network chip directly.
> >
> > Any help? Please?
>
> Firstly, you need to repro on the kernel from our xen-unstable
> repository, which is based on kernel.org Linux 2.6.16. Then build the
> same kernel for native i386 and get boot output. Send the unified diff
> (diff -u) of the two boot outputs. You may need to tweak the
> configuration of the native build to get the output similar to that of
> the Xen-based kernel -- we can tell you how to do that when we see your
> initial diff.
>
> Another thing worth trying is 'ioapic_ack=old' as a Xen boot parameter
> in your bootloader configuration file. It probably won't help, but
> worth a try.
>
> -- Keir
>
>
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