Re: [Xen-devel] Debugging Windows HVM crashes on Ryzen 3xxx series CPUs.

[Paul Durrant <pdurrant@xxxxxxxxx>]

Not much clue in the logs. The crash params are weird though... certainly not matching the doc. (https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/bug-check-0xac--hal-memory-allocation) but then again they are not always to be believed. 

There are some odd looking IOMMU faults in there too.

 Paul

On Thu, 24 Oct 2019 at 13:01, Steven Haigh <netwiz@xxxxxxxxx> wrote:

Hi all,

I've managed to get the git master version of Xen on this affected
system and tries to boot a Windows Server 2016 system. It crashes as
per normal.

I managed to get these logs, but I'm not quite sure what else to do to
debug this issue further.

Suggestions welcome.

The boot log in /var/log/xen/ shows:
Waiting for domain soti.vm (domid 4) to die [pid 9174]
Domain 4 has shut down, reason code 3 0x3
Action for shutdown reason code 3 is destroy
Domain 4 needs to be cleaned up: destroying the domain
Done. Exiting now

For some reason I'm not getting any serial output - so I'll have to
take a look at that tomorrow - but if you need anything further, please
let me know and I'll see what I can turn up.

Windows config file:

type = "hvm"
name = "$vmname.vm"
viridian = 1
#viridian = ['base']
memory = 8192
vcpus = 4
vif = ['bridge=br51, mac=00:16:3E:64:CC:A0']
#disk = [ '/dev/vg_hosting/$vmname.vm,raw,xvda,rw',
'file:/root/SW_DVD9_NTRL_Windows_Svrs_2016_English_2_Std_DC_FPP_OEM_X21-22567.ISO,hdc:cdrom,r'
]
disk = [ '/dev/vg_hosting/$vmname.vm,raw,hda,rw' ]
boot = 'cd'
vnc = 2
vnclisten = "0.0.0.0"
#vncpasswd = ''

## Set the clock to localtime - not UTC...
localtime = 1

## Fix the mouse cursor for VNC usage
usbdevice = 'tablet'

## Lower CPU prio that other VMs...
cpu_weight = 128

_on_poweroff_ = 'destroy'
_on_reboot_ = 'destroy'
_on_crash_ = 'destroy'

Steven Haigh

📧 netwiz@xxxxxxxxx     💻 https://www.crc.id.au
📞 +613 9001 6090       📱 +614 1293 5897


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