Hi there,
I'm currently running RHEL 5.1 64-bit fully patched and kernel
2.6.18-53.1.4.el5xen on a Sun x4200 M2 (8GB, 4 cores). I am attempting to
install RHEL 4.6 32-bit (kernel 2.6.9-67xen) as a paravirtualised guest.
Within the RHEL5 Dom0 I start the guest using "xm create -c template" and
the below configuration file.
##################################################
kernel = "/etc/xen/vmlinuz4"
ramdisk = "/etc/xen/initrd4.img"
name = "template"
memory = "4096"
disk = [ 'tap:aio:/VM-storage/template,xvda,w', ]
vif = [ 'bridge=xenbr0', ]
vcpus=2
on_reboot = 'destroy'
on_crash = 'destroy'
##################################################
The kernel and ramdisk are from the RHEL 4.6 install tree which is located
on an HTTP-accessible web server (running Apache, local subnet). The file
/VM-storage/template was created using the command
dd if=/dev/zero of=/VM-storage/template oflag=direct bs=1M seek=409600 count=1
Every time I try the install manually (I haven't figured out Xen
kickstarting yet, suggestions on how to provide a kickstart file to the DomU
please?) I whistle through the setup screens and then let the installation
start the package installation, at which point it slows to a crawl or even
stops on a package with the status "Installing...". The web server is
definitely not overloaded as I've kickstarted ten RHEL5 boxes before now
concurrently with no slowdown.
However the worst is yet to come... Usually after a little while of
installing the RHEL4 kernel panics and I'm dumped back out to Dom0. I've
tried this with the previous RHEL 4.5 media (copied to the web server) too.
It tends to fail earlier.
Here's the most recent error during text-mode installation:
Oops: 0000 [#1]
SMP
Modules linked in: dm_snapshot dm_mirror dm_zero dm_mod ext3 jbd msdos raid6
raid5 xor raid1 raid0 xenblk xennet sr_mod sd_mod scsi_mod cdrom loop nfs
nfs_acl lockd sunrpc vfat fat cramfslements
CPU: 0
EIP: 0061:[<c01496c9>] Not tainted VLI
EFLAGS: 00010287 (2.6.9-67.ELxenU)
EIP is at zap_pte_range+0x279/0x489
eax: 00037000 ebx: 00000002 ecx: f5392000 edx: 00000000
esi: 001163b1 edi: c6c8d9a0 ebp: 00000000 esp: ec1bae04
ds: 007b es: 007b ss: 0068
Process anaconda (pid: 419, threadinfo=ec1ba000 task=ec3a3830)
Stack: 163b1067 00000001 00000000 00000000 00000000 00000000 00037000 0c800000
c347d2a0 cf23a328 0c837000 00000001 0c800000 c0149980 c347d2a0 cf23a320
0c800000 00037000 00000000 0c7b7000 d0df6008 0c837000 00000000 c01499e5
Call Trace:
[<c0149980>] zap_pmd_range+0xa7/0xcb
[<c01499e5>] unmap_page_range+0x41/0x65
[<c0149ad6>] unmap_vmas+0xcd/0x1e8
[<c014ec19>] exit_mmap+0x85/0x15b
[<c011a2d9>] mmput+0x52/0x77
[<c011a74b>] copy_mm+0x36c/0x396
[<c011b26a>] copy_process+0x6b5/0xb0b
[<c011b7ad>] do_fork+0x8a/0x16b
[<c0127372>] sigprocmask+0xb6/0xd0
[<c0127423>] sys_rt_sigprocmask+0x97/0x14c
[<c0105cd7>] sys_fork+0x16/0x1a
[<c010734f>] syscall_call+0x7/0xb
Code: 8b 4c 24 14 8b 41 04 85 c0 75 0a 83 39 00 0f 45 c1 89 44 24 14 c7 44
24 10 00 00 00 00 8b 44 24 18 39 44 24 10 0f 83 08 02 00 00 <8b> 55 00 8b 4d
04 85 d2 75 08 85 c9 0f 84 e6 01 00 00 88 d0 a8
<0>Fatal exception: panic in 5 seconds
Kernel panic - not syncing: Fatal exception
All of my xen stuff appears to be at version 3.0.3-41. Does anyone have any
suggestions what I'm doing wrong or what is happening, please?
Ben
--
Unix Support, MISD, University of Cambridge, England
Plugger of wire, typer of keyboard, imparter of Clue
Life Is Short. It's All Good.
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