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micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="p2yanDuF2DT+GMpm" Content-Disposition: inline In-Reply-To: --p2yanDuF2DT+GMpm Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Mon, 12 May 2025 15:31:19 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Roger Pau =?utf-8?B?TW9ubsOp?= Cc: xen-devel Subject: Re: Issues on Zen4 (hw12) runner On Mon, May 12, 2025 at 12:26:09PM +0200, Roger Pau Monn=C3=A9 wrote: > On Thu, May 08, 2025 at 10:44:36PM +0200, Marek Marczykowski-G=C3=B3recki= wrote: > > Hi, > >=20 > > 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: > >=20 > > https://gitlab.com/xen-project/people/marmarek/xen/-/pipelines/18078191= 42 > > (note due to some added debugging, some tests are incorrectly marked as > > success even if they failed...) > >=20 > > 1. USB ethernet doesn't work on PVH dom0: https://gitlab.com/xen-projec= t/people/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: > >=20 > > [ 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, id= Product=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 > >=20 > > 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). > >=20 > > 2. There is a bunch of "unhandled memory read" errors during PVH dom0 > > startup: https://gitlab.com/xen-project/people/marmarek/xen/-/jobs/9978= 694739 > >=20 > > (XEN) [ 4.026323] arch/x86/hvm/emulate.c:417:d0v0 unhandled memo= ry read from 0xfedc0020 size 1 > > (XEN) [ 4.026789] arch/x86/hvm/emulate.c:417:d0v0 unhandled memo= ry read from 0xfedc0021 size 1 > > (XEN) [ 4.027247] arch/x86/hvm/emulate.c:417:d0v0 unhandled memo= ry read from 0xfedc0020 size 1 > > (XEN) [ 4.027671] arch/x86/hvm/emulate.c:417:d0v0 unhandled memo= ry read from 0xfedc0021 size 1 > > ... > >=20 > > This repeats several times. Could be related to the USB issue above? >=20 > Can you try with dom0=3Dpf-fixup? Those unhandled accesses might be the > cause of the USB issues. It did got rid of those messages, but USB still doesn't work: https://gitlab.com/xen-project/people/marmarek/xen/-/jobs/10006580289 > > There is also, likely related: > >=20 > > (XEN) [ 5.002036] arch/x86/hvm/vmsi.c:845:d0v9 0000:c1:00.1: PIR= Q 2484: unsupported address 0 > > (XEN) [ 5.002365] arch/x86/hvm/vmsi.c:845:d0v9 0000:c1:00.1: PIR= Q 2484: unsupported address 0 > > (XEN) [ 5.002693] arch/x86/hvm/vmsi.c:845:d0v9 0000:c1:00.1: PIR= Q 2484: unsupported address 0 >=20 > Is this at shutdown? (doesn't look like by the timestamps). There are > cases where Linux zeroes the MSR entries while the capability is still > enabled, and that results in those messages. They are usually benign. That's not shutdown. But also it's a different device than I care the most, so I guess I can ignore it for now. --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --p2yanDuF2DT+GMpm Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmgh+DcACgkQ24/THMrX 1ywaEggAhFREFFmDu2upT+LEJTp/+Df1BhPloGT7IyMhsSaJiifxSJil1VxQbxOn 3x1kBgTiZlZQU0S+WdGtPIKJkaHifJt7LVcdK8DRGdj8SOexzuDRd8Cs+8Zpgmcy u2lJIZXY6Dpyt90AxzEdRIl7YXc9UPl6clpn9rNIUI6RvvPGXZfLcog0LkA+lOdu 4USMcatr5UYeP7/uyC/kqZs4gmUskPO4OWt9hNILTSuy5o/N0sawtda7aDEnN53G PJG6HvEVUokDx2myTU4r4IVVluSd8Tu2ZV9Z/47VCSkOZgsL2j59Vw46SOa1WKj2 jiW5tE+ogyA2YfbgYQ/BdgTfVp6uag== =sXE6 -----END PGP SIGNATURE----- --p2yanDuF2DT+GMpm--