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Re: Ryzen 6000 (Mobile)
- To: Dylanger Daly <dylangerdaly@xxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Mon, 15 Aug 2022 12:03:55 +0000
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- Delivery-date: Mon, 15 Aug 2022 12:04:57 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: Ryzen 6000 (Mobile)
On 15/08/2022 12:07, Dylanger Daly wrote:
> Hi All,
>
> It would appear this issue isn't specific to the Lenovo Yoga Slim 7 ProX,
> someone else in the Qubes community is having the same issue
> (https://github.com/QubesOS/qubes-issues/issues/7620#issuecomment-1209114810)
>
> Can anyone shed some light on what possibly might be making a Xen 4.14
> Hypervisor crash after attempting to start a domU? Dom0 start's just fine, it
> 'feels' like a memory violation or DMA/IOMMU issue, because the VM does
> successfully start, however 1 or 2 seconds after it successfully boot the
> mouse (in dom0) locks up for 2-3 seconds and the entire device resets.
>
> I can't seem to get any logs at all, xen's console, dom0 dmesg and domU's
> dmesg all appear to be fine in the lead up to the crash. I assume no one has
> had a chance to use Xen on Ryzen 6000 (Rembrandt) yet due to the fact it's
> hard to get your hands on with the chip shortage etc.
>
> I'm hoping it's something that can be fixed with a cmdline flag, it's very
> frustrating having this shiny new laptop sitting on my desk :P
Append `,keep` to your existing `vga=` option for Xen, and add the
`noreboot` option too.
That should cause Xen to write its backtrace out over whatever was on
the screen.
~Andrew
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