Re: [Xen-devel] Error booting Xen

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.01.16 at 19:02, <write.harmandeep@xxxxxxxxx> wrote:
> Last time, I did absolutely nothing. System was idle
> and it crashed just after the login. Now, I booted the
> system again and this time, there is no reset. But,
> performance of the system is very slow. Browser
> (Mozilla Firefox) freezes a lot. Also, before applying
> patches, when I used to disabe xsave it resulted in
> same kind of performance issues. And the following
> is still present in the log.
> 
> (XEN) traps.c:3290: GPF (0000): ffff82d0801c1cea -> ffff82d080252e5c
> (XEN) d1v1 fault#1: mxcsr=00001f80
> (XEN) d1v1 xs=0000000000000003 xc=8000000000000000
> (XEN) d1v1 r0=0000000000000000 r1=0000000000000000
> (XEN) d1v1 r2=0000000000000000 r3=0000000000000000
> (XEN) d1v1 r4=0000000000000000 r5=0000000000000000
> (XEN) traps.c:3290: GPF (0000): ffff82d0801c1cea -> ffff82d080252e5c
> (XEN) d1v1 fault#2: mxcsr=00001f80
> (XEN) d1v1 xs=0000000000000000 xc=0000000000000000
> (XEN) d1v1 r0=0000000000000000 r1=0000000000000000
> (XEN) d1v1 r2=0000000000000000 r3=0000000000000000
> (XEN) d1v1 r4=0000000000000000 r5=0000000000000000
> 
> Full log here: http://paste2.org/C8WpyKOg 

This together with ...

> On Tue, Jan 26, 2016 at 10:53 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>>> On 26.01.16 at 18:01, <write.harmandeep@xxxxxxxxx> wrote:
>>> I tried 3rd patch together with earlier two. I'm
>>> afraid the problem is not solved completely.
>>> Full log goes here, http://paste2.org/KEAetMHb 

... this, and both being apparently the same build makes me suspect
uninitialized data to get passed in from the tool stack. But that's a
secondary issue for now. For the immediate problem here are four
patches replacing the three earlier ones (I think only one of them is
unchanged, so be sure to remove the old ones first).

Their intended ordering is:
x86-xsaves-init.patch
x86-xstate-align.patch
x86-xrstors-fault.patch
x86-xstate-validate.patch

Jan

Attachment: x86-xrstors-fault.patch
Description: Text document

Attachment: x86-xsaves-init.patch
Description: Text document

Attachment: x86-xstate-align.patch
Description: Text document

Attachment: x86-xstate-validate.patch
Description: Text document

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