This bug was fixed in the package linux - 5.8.0-16.17
---------------
linux (5.8.0-16.17) groovy; urgency=medium
* groovy/linux: 5.8.0-16.17 -proposed tracker (LP: #1891233)
* Miscellaneous Ubuntu changes
- hio -- Update to use bio_{start,end}_io_acct with 5.8+
- Enable hio driver
- [Packaging] Temporarily disable building doc package contents
linux (5.8.0-15.16) groovy; urgency=medium
* groovy/linux: 5.8.0-15.16 -proposed tracker (LP: #1891177)
* Miscellaneous Ubuntu changes
- SAUCE: Documentation: import error c_funcptr_sig_re, c_sig_re (sphinx-
doc/sphinx@0f49e30c)
linux (5.8.0-14.15) groovy; urgency=medium
* groovy/linux: 5.8.0-14.15 -proposed tracker (LP: #1891085)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* msg_zerocopy.sh in net from ubuntu_kernel_selftests failed (LP: #1812620)
- selftests/net: relax cpu affinity requirement in msg_zerocopy test
* Fix missing HDMI/DP Audio on an HP Desktop (LP: #1890441)
- ALSA: hda/hdmi: Add quirk to force connectivity
* Add initial audio support for Lenovo ThinkStation P620 (LP: #1890317)
- ALSA: usb-audio: Add support for Lenovo ThinkStation P620
* Fix IOMMU error on AMD Radeon Pro W5700 (LP: #1890306)
- PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken
* Enlarge hisi_sec2 capability (LP: #1890222)
- crypto: hisilicon - update SEC driver module parameter
* Miscellaneous Ubuntu changes
- [Config] Re-enable signing for ppc64el
-- Seth Forshee <seth.fors...@canonical.com> Tue, 11 Aug 2020 15:32:58
-0500
** Changed in: linux (Ubuntu)
Status: Invalid => Fix Released
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1890306
Title:
Fix IOMMU error on AMD Radeon Pro W5700
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Fix Committed
Status in linux-oem-5.6 source package in Focal:
Fix Committed
Bug description:
[Impact]
AMD Radeon Pro W5700 doesn't work at all, driver failed to probe the
device due to IOMMU error.
[Fix]
Disable PCI ATS for the device.
[Test]
After applying the patch, there's no more IOMMU error, and the driver
can correctly probe the device. The grahpics also works great.
[Regression Potential]
Low. amdgpu is known to work well with ATS disabled. In addition to
that, AMD confirmed it's the correct fix for this card, so the chance to
break anything is rather low.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1890306/+subscriptions
--
Mailing list: https://launchpad.net/~kernel-packages
Post to : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help : https://help.launchpad.net/ListHelp
