Re: [Xen-devel] Xen 4.2.0 won't boot with FC17 dom0 on Dell Optiplex 790, boots fine with 4.1.3

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 30.08.12 at 19:04, Dan Magenheimer <dan.magenheimer@xxxxxxxxxx> wrote:
>>  From: bing [mailto:Libing.Chen@xxxxxxxxxx]
>> Sent: Thursday, August 30, 2012 12:16 AM
>> To: xen-devel@xxxxxxxxxxxxx 
>> Subject: Re: [Xen-devel] Xen 4.2.0 won't boot with FC17 dom0 on Dell 
>> Optiplex 
> 790, boots fine with
>> 4.1.3
>> 
>> I have a similar crash on Xen 4.2.0-rc3 with HP DC7900, reboot right
>> after loading Dom0 kernel. I found a workaround by pass xsave=0 option
>> to the xen kernel. It seems to be CPU related, same setup (same xen,
>> Dom0 kernel version) works fine on another Dell Precision 3200.
> 
> Thanks, just saw this as I wasn't cc'ed on your email.  xsave=0
> did solve my problem also.

But that was known to be required only with certain, non-upstream
broken kernels (which got their own xsave handling wrong). Can
either of you confirm this is a problem with a plain upstream kernel
now too (and if so, which version(s))?

Jan


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