This bug was fixed in the package linux-oem-5.10 - 5.10.0-1045.47
---------------
linux-oem-5.10 (5.10.0-1045.47) focal; urgency=medium
* focal/linux-oem-5.10: 5.10.0-1045.47 -proposed tracker (LP:
#1939806)
* AMDGPU: Fix System hang after resume from suspend (LP: #1940204)
- SAUCE: drm/amdgpu: disable BACO support for 699F:C7 polaris12 SKU
temporarily
* CVE-2021-3656
- KVM: nSVM: always intercept VMLOAD/VMSAVE when nested (CVE-2021-3656)
* CVE-2021-3653
- KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl
(CVE-2021-3653)
-- Chia-Lin Kao (AceLan) <[email protected]> Wed, 18 Aug 2021
17:23:02 +0800
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3653
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3656
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https://bugs.launchpad.net/bugs/1940204
Title:
AMDGPU: Fix System hang after resume from suspend
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Committed
Status in linux-oem-5.10 package in Ubuntu:
Invalid
Status in linux-oem-5.13 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Invalid
Status in linux-oem-5.10 source package in Focal:
Fix Released
Status in linux-oem-5.13 source package in Focal:
Fix Committed
Status in linux source package in Hirsute:
Fix Committed
Status in linux-oem-5.10 source package in Hirsute:
Invalid
Status in linux-oem-5.13 source package in Hirsute:
Invalid
Status in linux source package in Impish:
Fix Committed
Status in linux-oem-5.10 source package in Impish:
Invalid
Status in linux-oem-5.13 source package in Impish:
Invalid
Bug description:
[Impact]
With AMD-GPU and don't use it as a display output,
After multiple Suspend&resume, system would hang.
[Fix]
Disable BACO for polaris12 series.
BACO allow the graphics cards on Linux to support S4 / hibernation support.
[Test Case]
1. Must plug AMD GPU and don't use it as display output
2. Plug DP/HDMI on iGPU.
3. Suspend&resume machine.
4. check if system hangs.
[Where problems could occur]
Disable BACO would cause higher power consumption.
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