I did test the kernel from lunar proposed (6.2.0.1015.16) on AWS. The
image boots with sev-snp enabled:
# sudo dmesg | grep -i sev
[ 5.563677] Memory Encryption Features active: AMD SEV SEV-ES SEV-SNP
[ 6.140250] SEV: Using SNP CPUID table, 64 entries present.
[ 8.507286] SEV: SNP guest platform device initialized.
[ 20.829729] sev-guest sev-guest: Initialized SEV guest driver (using
vmpck_id 0)
# apt-cache policy linux-aws
linux-aws:
Installed: 6.2.0.1015.16
Candidate: 6.2.0.1015.16
Version table:
*** 6.2.0.1015.16 100
100 http://archive.ubuntu.com/ubuntu lunar-proposed/main amd64 Packages
100 /var/lib/dpkg/status
6.2.0.1013.14 500
500 http://us-east-2.ec2.archive.ubuntu.com/ubuntu lunar-updates/main
amd64 Packages
500 http://security.ubuntu.com/ubuntu lunar-security/main amd64 Packages
6.2.0.1003.4 500
500 http://us-east-2.ec2.archive.ubuntu.com/ubuntu lunar/main amd64
Packages
** Tags removed: verification-needed-lunar-linux-aws
** Tags added: verification-done-lunar-linux-aws
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-gcp in Ubuntu.
https://bugs.launchpad.net/bugs/2037316
Title:
SEV_SNP failure to init
Status in linux-aws package in Ubuntu:
Fix Released
Status in linux-gcp package in Ubuntu:
Fix Released
Status in linux-aws source package in Jammy:
Invalid
Status in linux-gcp source package in Jammy:
Fix Committed
Status in linux-aws source package in Lunar:
Fix Committed
Status in linux-gcp source package in Lunar:
Fix Committed
Status in linux-aws source package in Mantic:
Fix Released
Status in linux-gcp source package in Mantic:
Fix Released
Bug description:
[Impact]
* Kernel fails to boot on SEV-SNP instances when compiled with GCC
12.3.0
[Fix]
*
https://lore.kernel.org/lkml/20230912002703.3924521-1-acdun...@google.com/
[Test Case]
* Compile tested
* Boot tested
* Tested by Google
[Where things could go wrong]
* Patches relatively isolated and maintain similar checking
functionality, just earlier in boot. Likely a low chance of
regression.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-aws/+bug/2037316/+subscriptions
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