Re: [Xen-devel] FATAL PAGE FAULT - xen-3.0.5-rc2 and xen-3.0.5-rc3

["Teck Choon Giam" <giamteckchoon@xxxxxxxxx>]

On 4/26/07, Keir Fraser <keir@xxxxxxxxxxxxx> wrote:
> On 26/4/07 10:18, "Teck Choon Giam" <giamteckchoon@xxxxxxxxx> wrote:
>
> > I have the following errors:
> >
> > Panic on CPU0:
> > FATAL PAGE FAULT
> > [error_code=0002]
> > Faulting linear address: fbfb1100
> >
> > More details in snapshots as below as I don't have serial console
> > cables thus unable to get full details of the errors which I will try
> > to get one and send the full error if needed:
>
> It's bizarre that only you have seen this crash. It should be easy to track
> down though. If you're happy to modify C code, can you try adding:
>  printk("***TICKER_INIT %d %d\n", cpu, spc->ticker.cpu);
> To csched_start_tickers() in common/sched_credit.c, immediately after the
> line 'spc = ...'.
> From your suggestion make me think it is related to sched=sedf option.
So with that option I has problem to boot xen but without sched=sedf
option it boot nicely... ...

> Alternatively I can send you a patch. The extra message should come out
> twice immediately before the crash message and it would be interesting to
> know what the messages say.
You don't need to send me the patch as I have followed your
instruction to add that line :)

Please see attached txt file for boot messages with and without sched=sedf.

> Also, the xen-syms file that matches the crash-message JPEGs you linked to
> would be interesting. Perhaps you could zip that up and send it to me
> privately if you still have it.
Don't need the JPEGs I guess since the crash message can be found in
xen-3.0.5-rc3-with-sched_eq_sedf-crash.txt file attached with the
difference of your suggested below line of course :P

printk("***TICKER_INIT %d %d\n", cpu, spc->ticker.cpu);

>  -- Keir
Thanks Keir =)

Kindest regards,
Choon
P.S. Sorry, if anyone won't like to see those files in attachment then
I will take note and won't send in any attachments.  Apology.
>

Attachment: xen-3.0.5-rc3-with-sched_eq_sedf-crash.txt
Description: Text document

Attachment: xen-3.0.5-rc3-without-sched_eq_sedf-boot.txt
Description: Text document

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