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micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ltRkEotGNvk1artC" Content-Disposition: inline --ltRkEotGNvk1artC Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Thu, 8 May 2025 22:44:36 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: xen-devel Subject: Issues on Zen4 (hw12) runner Hi, I wanted to post another revision of the series adding hw12 runner, hoping that all known issues are fixed now, but unfortunately there is still something broken. I've rebased my series on top of staging (ed9488a0d) and got this pipeline: https://gitlab.com/xen-project/people/marmarek/xen/-/pipelines/1807819142 (note due to some added debugging, some tests are incorrectly marked as success even if they failed...) 1. USB ethernet doesn't work on PVH dom0: https://gitlab.com/xen-project/pe= ople/marmarek/xen/-/jobs/9978694739 There supposed to be an USB ethernet device connected to the USB controller at c3:00.4. In the PV dom0 case it's detected as: [ 3.911555] usb 7-1.4: new high-speed USB device number 3 using xhci= _hcd [ 4.004201] usb 7-1.4: New USB device found, idVendor=3D0bda, idProd= uct=3D8153, bcdDevice=3D30.00 [ 4.004675] usb 7-1.4: New USB device strings: Mfr=3D1, Product=3D2,= SerialNumber=3D6 [ 4.005079] usb 7-1.4: Product: USB 10/100/1000 LAN [ 4.005349] usb 7-1.4: Manufacturer: Realtek [ 4.005599] usb 7-1.4: SerialNumber: 684D35 But it's not there on PVH. The USB controller itself is detected, just not device(s) connected to it. This applies to other controllers too (there should be about 3 or 4 other USB devices - none of them show up). 2. There is a bunch of "unhandled memory read" errors during PVH dom0 startup: https://gitlab.com/xen-project/people/marmarek/xen/-/jobs/99786947= 39 (XEN) [ 4.026323] arch/x86/hvm/emulate.c:417:d0v0 unhandled memory r= ead from 0xfedc0020 size 1 (XEN) [ 4.026789] arch/x86/hvm/emulate.c:417:d0v0 unhandled memory r= ead from 0xfedc0021 size 1 (XEN) [ 4.027247] arch/x86/hvm/emulate.c:417:d0v0 unhandled memory r= ead from 0xfedc0020 size 1 (XEN) [ 4.027671] arch/x86/hvm/emulate.c:417:d0v0 unhandled memory r= ead from 0xfedc0021 size 1 ... This repeats several times. Could be related to the USB issue above? There is also, likely related: (XEN) [ 5.002036] arch/x86/hvm/vmsi.c:845:d0v9 0000:c1:00.1: PIRQ 24= 84: unsupported address 0 (XEN) [ 5.002365] arch/x86/hvm/vmsi.c:845:d0v9 0000:c1:00.1: PIRQ 24= 84: unsupported address 0 (XEN) [ 5.002693] arch/x86/hvm/vmsi.c:845:d0v9 0000:c1:00.1: PIRQ 24= 84: unsupported address 0 3. Sometimes it fails to print anything on the console, like here: https://= gitlab.com/xen-project/people/marmarek/xen/-/jobs/9977761447 This is likely some boot issue before Xen starts (possibly the power button is pressed to early). Anyway, I need to fix it before adding the runner. 4. There is a bunch of unknown MSR accesses, but that's likely to be expected. For example: (XEN) [ 6.010446] arch/x86/pv/emul-priv-op.c:1017:d0v11 RDMSR 0xc001= 02b0 unimplemented (XEN) [ 6.010798] arch/x86/pv/emul-priv-op.c:1017:d0v0 RDMSR 0xc0010= 2b1 unimplemented --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --ltRkEotGNvk1artC Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmgdF7QACgkQ24/THMrX 1yy3vwf9G9Sct9lMHrIo/6pOKT3O4XD5Z0SSO+ye+TlUT3RyRa1Lj75xg6D3tjId 1RJA5iUe49GJgOMM23r55YhaXif0NEfFveCwNzj3MYGdpjpT6bPfoKl9hoaI51Ak h21+D2XKH6nekWALUSLX6pI0Hm+S3eR9OFsbh1w/ASl78zdYv6qkdePElwPecrPl XCJ86ipNcgk2Pc/hiD4F4h9SXUeevUDUr1Ozd0CWFGWVPx7vTfofFTQiQlZdWvrx 7jXq59GAH1XjeF0ZwsKU0EXfCMmg4BF94klRprC5ZMFgDeZqdhWix/BbpLNR3KG+ 9X7lyxy5wvBlEtpeu8PqL4ixAUvIzg== =xQa+ -----END PGP SIGNATURE----- --ltRkEotGNvk1artC--