On 1/19/23 12:01, Laszlo Ersek wrote: > 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(-) >
Merged as the last two commits in range 51411435d559..bf5678b58026, via <https://github.com/tianocore/edk2/pull/3935>. Laszlo -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#98922): https://edk2.groups.io/g/devel/message/98922 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] -=-=-=-=-=-=-=-=-=-=-=-
