### SRU verification for RESOLUTE ###
# ------ before proposed ------
# version
ubuntu@sandbox-resolute:~$ apt policy msr-tools
msr-tools:
Installed: 1.3+git20220805.7d78c80-1build1
Candidate: 1.3+git20220805.7d78c80-1build1
Version table:
*** 1.3+git20220805.7d78c80-1build1 500
500 http://archive.ubuntu.com/ubuntu resolute/main amd64 Packages
100 /var/lib/dpkg/status
# bug is reproducible
ubuntu@sandbox-resolute:~$ sudo rdmsr -a 0x10
Segmentation fault (core dumped) sudo rdmsr -a 0x10
ubuntu@sandbox-resolute:~$ sudo wrmsr -a 0x8b 0
Segmentation fault (core dumped) sudo wrmsr -a 0x8b 0
# ------ after proposed ------
# version
ubuntu@sandbox-resolute:~$ apt policy msr-tools
msr-tools:
Installed: 1.3+git20220805.7d78c80-1ubuntu0.1
Candidate: 1.3+git20220805.7d78c80-1ubuntu0.1
Version table:
*** 1.3+git20220805.7d78c80-1ubuntu0.1 100
100 http://archive.ubuntu.com/ubuntu resolute-proposed/main amd64
Packages
100 /var/lib/dpkg/status
1.3+git20220805.7d78c80-1build1 500
500 http://archive.ubuntu.com/ubuntu resolute/main amd64 Packages
# bug is no longer reproducible, patch works as intended
ubuntu@sandbox-resolute:~$ sudo rdmsr -a 0x10
rdmsr: scandir: No such file or directory
rdmsr: may need to load msr module to populate /dev/cpu
ubuntu@sandbox-resolute:~$ sudo wrmsr -a 0x8b 0
wrmsr: scandir: No such file or directory
wrmsr: may need to load msr module to populate /dev/cpu
------
I verify this bug is fixed with msr-tools 1.3+git20220805.7d78c80-1ubuntu0.1 in
Resolute
** Tags removed: verification-needed-resolute
** Tags added: verification-done-resolute
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https://bugs.launchpad.net/bugs/2163089
Title:
rdmsr and wrmsr segfault when invoked with -a without the msr module
loaded
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