Re: [Xen-devel] `xl create` hang on skylake desktop

[Haozhong Zhang <haozhong.zhang@xxxxxxxxx>]

Hi Paul,

On 10/10/16 13:31, Lai, Paul wrote:
> Hi Shannon:
> 
> I’m reporting that commit 38cd0664a6bf1c3b887992ea029d2bb516f52c59 is causing 
> a
> hang in the `xl create windows7` command on my skylake desktop.  This is a
> regression from previous behavior.
>

I think it has been fixed by commit 031655d "libxl: fix issues in 38cd0664".

Haozhong

> commit 38cd0664a6bf1c3b887992ea029d2bb516f52c59
> Author: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
> Date:   Wed Sep 28 18:19:02 2016 -0700
> 
>     libxl/arm: Add the size of ACPI tables to maxmem
> 
>     Here it adds the ACPI tables size to set the target maxmem to avoid
>     providing less available memory for guest.
> 
>     Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>     Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> 
> I’ve was able to chase down this patchset by bisecting between
> 40277cded320efa32b86c0c9f01e33145eab5ee4 and
> 343f84be135e6f9e681960a9e235296eae159fc8.
> I’ve confirmed that reverting 38cd0664a6bf1c3b887992ea029d2bb516f52c59 cleanly
> avoids the hang.
> 
> I'm wondering how best to go forward,
> 
> Regards,
> -Paul
> 
> PS:
> Other info that might be helpful.
> 
> My CPU is:
>         processor       : 7
>         vendor_id       : GenuineIntel
>         cpu family      : 6
>         model           : 94
>         model name      : Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz
> 
> The contents of the simple windows7 config file are:
>         name="windows7"
>         description="None"
>         uuid="5c12c654-5ef4-d447-73de-ae106605f519"
>         memory=1024
>         maxmem=1024
>         vcpus=2
>         on_poweroff="destroy"
>         on_reboot="restart"
>         on_crash="destroy"
>         localtime=1
>         keymap="en-us"
> 
>         builder="hvm"
>         boot="c"
>         disk=[ 
> '/rhel-home/pclai/xen-images/p2m_test/ia32_win7_ent.img,raw,hda,w', ]
>         vif=[ 'mac=00:16:3e:4b:66:5f,bridge=br0,model=rtl8139', ]
> 
> 
> 
>         stdvga=0
>         vnc=1
>         vncunused=1
>         soundhw="sb16"
> 
>         viridian=0
>         usb=1
>         acpi=1
>         pae=1
> 
>         usbdevice='tablet'
> 
>         serial="pty"
> 
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