Re: [Xen-devel] Cannot load latest 2.6.32.10 kernel on AMD quad-core

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

I skipped first instruction ( before kernel build ):

# aptitude install build-essential libncurses5-dev dpkg-dev debhelper fakeroot

Boris.

--- On Fri, 4/23/10, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-devel] Cannot load latest 2.6.32.10 kernel on AMD quad-core
To: xen-devel@xxxxxxxxxxxxxxxxxxx, "Gerry Reno" <greno@xxxxxxxxxxx>
Date: Friday, April 23, 2010, 2:27 PM

I've just was able to reproduce  Thiago's  instruction on Lucid RC for Xen 4.0 & 2.6.32.10 pvops kernel ( C2D E8400 , ASUS P5Q-E, 8 GB RAM) . ACPI Processor
has been disabled, what is particular MB issue

Quote :-

1.Clone JF's Git Repo:

 cd /usr/src
 git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-xen
 cd linux-2.6-xen
 git checkout -b xen/stable origin/xen/stable


2. Configure, compile and install:
 
 make menuconfig # Enabled the dom0 support and the Xen backend as usual on U   9.10, F12

 make -j2
 chmod g-s /usr/src -R    
 make deb-pkg
 dpkg -i ../linux-image*2.6.32.10*.deb
 depmod 2.6.32.10
 update-initramfs -c -k 2.6.32.10
 update-grub
 echo "xen-evtchn" >> /etc/modules

3- Download and install the latest Xen:

 Preparing your environment:

 apt-get build-dep xen-3.3
 aptitude install uuid-dev iasl texinfo

 Download and compile:

 cd /usr/src
 Uncompress xen-4.0.0.tar.gz
 cd xen-4.0.0
 make xen
 make tools
 make install-xen
 make install-tools PYTHON_PREFIX_ARG=

 update-rc.d xend defaults 20 21
 update-rc.d xendomains defaults 21 20


4. Add to /boot/grub/grub.cfg

# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
menuentry "Xen 4.0 / Ubuntu 10.4 RC kernel 2.6.32.10 pvops" {
insmod ext2
set root=(hd1,4)
multiboot (hd1,4)/xen.gz dummy=dummy
module (hd1,4)/vmlinuz-2.6.32.10 dummy=dummy root=/dev/sdb5 ro console=tty0
module (hd1,4)/initrd.img-2.6.32.10

Quote ends.


--- On Fri, 4/23/10, Gerry Reno <greno@xxxxxxxxxxx> wrote:

From: Gerry Reno <greno@xxxxxxxxxxx>
Subject: [Xen-devel] Cannot load latest 2.6.32.10 kernel on AMD quad-core
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Friday, April 23, 2010, 1:50 PM

I previously had the pv_ops dom0 2.6.31.6 kernel built and running on my hardware (amd phenom ii x4 quad-core) just fine under karmic.  But that kernel had issues with rxchecksumming.  So I upgraded the server to lucid and am now trying to compile a new pv_ops dom0 kernel for it.

Now, yesterday I carefully built the latest 2.6.32.10(xen/stable) pv_ops dom0 kernel twice.  Once from the config in the email Lucid pv_ops dom0 howto and once from the lucid server config modified by adding all the XEN configurations.  I get the same result both ways.  After building the kernel, I try to start the pv_ops dom0 kernel as domU just to make sure it runs and it crashes right at the start of boot complaining like this:

__vmallic_node+0xa2/0xb0
? alloc_large_system_hash+0x15/0x21
? inet_init+0x0/0x209
__vmalloc+0x22/0x30
alloc_large_system_hash+0x15/0x21a
? inet_init+0x0/0x209
? inet_init+0x0/0x209
tcp_init+0xa3//0x37e
inet_init+0x14b/0x209
do_one_initcall+0x3c/0x10a
kernel_init+0x159/0x1af
child_rip+0xa/0x20
Code: d0 49 8b 04 24 48 85 c0 75 ec eb c5 55 48 89 e5 48 8....
9 5d e8 4c 89 65 f0 4c 89 6d f8 0f 1f 44 00 00 48 89 e5 48 8....
RIP [<ffffffff810f4f5f>] __free_pages+0x1f/0x90
---[ end trace e93713a9d40cd06d ]---
Kernel panic - not syncing: Attempted to kill init!
Pid: 1, comm: swapper Tainted: G      D  W    2.6.32.10 #4
panic+0x78/0x136
? mm_release+0x60/0x130
do_exit+0x6ca/0x7f0
oops_end+0xaf/0xf0
die+0x5b/0x90
do_general_protection+0x152/0x160
general_protection+0x25/0x30
? __free_pages+0x1f/0x90
__vunmap+0x7a/0x110
vfree+0x2a/0x30
__vmalloc_area_node+0x15c/0x190
? alloc_large_system_hash+0x15a/0x21a
__vmalloc_node+0xa2/0xb0
? alloc_large_system_hash+0x15a/0x21a
? inet_init+0x0/0x209
? inet_init+0x0/0x209
tcp_init+0xa3//0x37e
inet_init+0x14b/0x209
do_one_initcall+0x3c/0x10a
kernel_init+0x159/0x1af
child_rip+0xa/0x20
? kernel_init+0x10/0x1af
? child_rip+0x0/0x20

I fired up the old 2.6.31.6 kernel with lucid and it boots just fine as domU.

Can anyone shed some light on what may be the problem here and how I can build a working 2.6.32.10 pv_ops dom0 kernel for this hardware? 

-Gerry

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