Repo: https://pagure.io/lersek/edk2.git Branch: cpuhp-reg-catch-4250-v3 Test build: https://github.com/tianocore/edk2/pull/3930 Bugzilla: https://bugzilla.tianocore.org/show_bug.cgi?id=4250
v2 was posted at: - 20230112082845.128463-1-lersek@redhat.com">http://mid.mail-archive.com/20230112082845.128463-1-lersek@redhat.com - https://edk2.groups.io/g/devel/message/98336 - https://listman.redhat.com/archives/edk2-devel-archive/2023-January/057634.html Please see the Notes sections of the patches, regarding the updates. The "PlatformCI_OvmfPkg_Windows_VS2019_PR" checks in test build linked above time out again (as expected); now with the following debug log: > PlatformCpuCountBugCheck: Present=0 Possible=1 > PlatformCpuCountBugCheck: Broken CPU hotplug register block found. Update > QEMU to version 8+, or > PlatformCpuCountBugCheck: to a stable release with commit dab30fbef389 > backported. Refer to > PlatformCpuCountBugCheck: > <https://bugzilla.tianocore.org/show_bug.cgi?id=4250>. > PlatformCpuCountBugCheck: Consequences of the QEMU bug may include, but are > not limited to: > PlatformCpuCountBugCheck: - all firmware logic, dependent on the CPU hotplug > register block, > PlatformCpuCountBugCheck: being confused, for example, > multiprocessing-related logic; > PlatformCpuCountBugCheck: - guest OS data loss, including filesystem > corruption, due to crash or > PlatformCpuCountBugCheck: hang during ACPI S3 resume; > PlatformCpuCountBugCheck: - SMM privilege escalation, by a malicious guest OS > or 3rd partty UEFI > PlatformCpuCountBugCheck: agent, against the platform firmware. > PlatformCpuCountBugCheck: These symptoms need not necessarily be limited to > the QEMU user > PlatformCpuCountBugCheck: attempting to hot(un)plug a CPU. > PlatformCpuCountBugCheck: The firmware will now stop (hang) deliberately, in > order to prevent the > PlatformCpuCountBugCheck: above symptoms. > PlatformCpuCountBugCheck: You can forcibly override the hang, *at your own > risk*, with the > PlatformCpuCountBugCheck: following *experimental* QEMU command line option: > PlatformCpuCountBugCheck: -fw_cfg > name=opt/org.tianocore/X-Cpuhp-Bugcheck-Override,string=yes > PlatformCpuCountBugCheck: Please only report such bugs that you can reproduce > *without* the > PlatformCpuCountBugCheck: override. > Select Item: 0x19 > ASSERT d:\a\1\s\OvmfPkg\Library\PlatformInitLib\Platform.c(520): > ((BOOLEAN)(0==1)) The "PlatformCI_OvmfPkg_Ubuntu_GCC5_PR" checks succed, probably due to edk2 commits ef0916009843 ("CI: Use Fedora 35 container (Linux only)", 2023-01-17) and 7fab007f33e9 ("OvmfPkg: CI: Use Fedora 35 container (Linux only)", 2023-01-17), and due to <https://github.com/tianocore/containers/commit/47addc9a4f20> applying the upstream QEMU patch. Laszlo Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> Cc: Brijesh Singh <brijesh.si...@amd.com> Cc: Erdem Aktas <erdemak...@google.com> Cc: Gerd Hoffmann <kra...@redhat.com> Cc: James Bottomley <j...@linux.ibm.com> Cc: Jiewen Yao <jiewen....@intel.com> Cc: Jordan Justen <jordan.l.jus...@intel.com> Cc: Michael Brown <mc...@ipxe.org> Cc: Min Xu <min.m...@intel.com> Cc: Oliver Steffen <ostef...@redhat.com> Cc: Sebastien Boeuf <sebastien.bo...@intel.com> Cc: Tom Lendacky <thomas.lenda...@amd.com> Laszlo Ersek (2): OvmfPkg/PlatformInitLib: factor out PlatformCpuCountBugCheck() OvmfPkg/PlatformInitLib: catch QEMU's CPU hotplug reg block regression OvmfPkg/Library/PlatformInitLib/Platform.c | 168 +++++++++++++++++--- 1 file changed, 145 insertions(+), 23 deletions(-) -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#98886): https://edk2.groups.io/g/devel/message/98886 Mute This Topic: https://groups.io/mt/96374972/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
