On Sat, Mar 20, 2010 at 12:00:40AM -0700, ccmail111 wrote:
>
> Attaching error I see on serial:
>
>
> (XEN) Dom0 has maximum 1 VCPUs
>
> (XEN) Scrubbing Free RAM:
> ....................................................................done.
>
> (XEN) Xen trace buffers: disabled
>
> (XEN) Std. Loglevel: All
>
> (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
>
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen)
>
> (XEN) Freed 128kB init memory.
>
> Bootdata ok (command line is root=dev/ram0 ro console=hvc0 earlyprintk=xen
> nomodeset)
>
"console=hvc0 earlyprintk=xen" are options for a pvops dom0 kernel,
I don't think linux-2.6.18-xen can use them.
-- Pasi
> Linux version 2.6.18.8-xen (stevyang@wilma) (gcc version
4.1.2 20080704 (Red Hat
> 4.1.2-44)) #1 SMP Mon Mar 15 23:23:21 PDT 2010
>
> BIOS-provided physical RAM map:
>
> Xen: 0000000000000000 - 0000000040800000 (usable)
>
> kernel direct mapping tables up to 40800000 @ 3f736000-3f93d000
>
> DMI 2.4 present.
>
> bootmem alloc of 14794752 bytes failed!
>
> Kernel panic - not syncing: Out of memory
>
> (XEN) Domain 0 crashed: 'noreboot' set - not rebooting.
>
> Any thoughts/suggestions, appreciated !
>
> Thanks,
> SV
>
> --- On Sat, 3/20/10, ccmail111 <
ccmail111@xxxxxxxxx> wrote:
>
> From: ccmail111 <
ccmail111@xxxxxxxxx>
> Subject: RE: [Xen-devel] Fw: Not enough RAM for domain 0 allocation
> To:
xen-devel@xxxxxxxxxxxxxxxxxxx, "Dan Magenheimer" <
dan.magenheimer@xxxxxxxxxx>
> Date: Saturday, March 20, 2010, 2:37 AM
>
> Thanks Dan.
> I am past that and see different error now:
>
> "Xen: Scrubbing Free RAM ............"
> Then the xterm(screen) goes blank..
>
> Any thoughts ?
>
> SV
> ---
On Fri, 3/19/10, Dan Magenheimer <
dan.magenheimer@xxxxxxxxxx> wrote:
>
> From: Dan Magenheimer <
dan.magenheimer@xxxxxxxxxx>
> Subject: RE: [Xen-devel] Fw: Not enough RAM for domain 0 allocation
> To: "ccmail111" <
ccmail111@xxxxxxxxx>,
xen-devel@xxxxxxxxxxxxxxxxxxx> Date: Friday, March 19, 2010, 9:16
PM
>
> Your kernel and initrd are compressed and still exceed 512MB? That is very
> unusual. Are you building everything in your dom0 kernel? (e.g. answering yes
> to all drivers, and everything when configuring your kernel?) If so, thatâ**s
> not a good idea and is likely contributing to your problem.
>
>
>
> You didnâ**t say how much memory is in your machine. If you have enough, you
> can try dom0_mem=768M or dom0_mem=1GB and so on.
>
>
>
> If those suggestions donâ**t work, sorry, maybe someone else can answer but this
> is probably a xen-users list question than a xen-devel question.
>
>
>
>
From: ccmail111 [mailto:
ccmail111@xxxxxxxxx]
> Sent: Friday, March 19, 2010 5:47 PM
> To:
xen-devel@xxxxxxxxxxxxxxxxxxx; Dan Magenheimer
> Subject: RE: [Xen-devel] Fw: Not enough RAM for domain 0 allocation
>
>
>
> Hi Dan,
>
> Thanks for response.
>
>
>
> I just tried (with dom0_mem=512M) and see error:
>
> "Domain 0 allocation is too small for kernel image"
>
>
>
> But if I
dont use the parameter I see error as in subject line which is
> different.
>
> Question is: does subject line error printed by kernel ? Any kernel parameter
> that I need to change during build ?
>
>
>
> Any suggestions ?
>
> Is there anyway I can specifiy the max for kernel and xen ?
>
>
>
> Thanks,
>
>
>
> SV
>
>
>
> --- On Fri, 3/19/10, Dan Magenheimer <
dan.magenheimer@xxxxxxxxxx> wrote:
>
> From: Dan Magenheimer <
dan.magenheimer@xxxxxxxxxx>
> Subject: RE: [Xen-devel] Fw: Not enough RAM for domain 0 allocation
> To: "ccmail111" <
ccmail111@xxxxxxxxx>,
xen-devel@xxxxxxxxxxxxxxxxxxx> Date: Friday, March 19, 2010, 6:10 PM
>
> You should be able to get around this problem by specifying dom0_mem= on the
> Xen boot line, e.g.:
>
>
>
> kernel
/boot/xen.gz noreboot loglvl=all dom0_mem=256M
>
>
>
> From: ccmail111 [mailto:
ccmail111@xxxxxxxxx]
> Sent: Friday, March 19, 2010 3:43 PM
> To:
xen-devel@xxxxxxxxxxxxxxxxxxx> Subject: [Xen-devel] Fw: Not enough RAM for domain 0 allocation
>
>
>
> --- On Fri, 3/19/10, ccmail111 <
ccmail111@xxxxxxxxx> wrote:
>
> From: ccmail111 <
ccmail111@xxxxxxxxx>
> Subject: Not enough RAM for domain 0 allocation
> To: "Fajar A. Nugraha" <
fajar@xxxxxxxxx>
> Cc:
xen-users@xxxxxxxxxxxxxxxxxxx> Date: Friday, March 19, 2010, 5:38 PM
>
>
>
> Hi,
>
>
>
> I see above error when xen tries to boot up.
>
>
>
> The grub.conf is:
>
>
>
>
title Dom0 Xen 3.4.2 XenLinux 2.6
> kernel /boot/xen.gz noreboot loglvl=all
> module /boot/vmlinuz.vm root=dev/ram0 ro
> module /boot/ramdisk.gz
>
> Looking through archives I found couple of pointers but no solution.
>
> The closest I see:
>
> [1]
http://www.mailinglistarchive.com/xen-devel@xxxxxxxxxxxxxxxxxxx/msg56592.html>
> by Keir:
>
>
>
> " Either this restriction of the domain builder needs
> to be lifted (a bit of a pain and not really on anyone's
todo list), ..."
>
>
>
> Any solutions/suggestions is appreciated !
>
>
>
> Thanks !
>
>
>
> SV
>
>
>
>
>
>
>
>
>
> References
>
> Visible links
> 1.
http://www.mailinglistarchive.com/xen-devel@xxxxxxxxxxxxxxxxxxx/msg56592.html> _______________________________________________
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