On 8/15/21 7:34 PM, Gary Lin (HPS OE-Linux TDC) wrote:
On Fri, Aug 13, 2021 at 09:55:48AM +0000, Yao, Jiewen wrote:
HI Gary
Hi Jiewen,
Several comment:
1) According to our process, we need a Bugzilla. Would you please file it?
Okay, will create a bugzilla entry to track the issue.
2) I do not understand how HVM direct kernel boot is related to S3 enabling.
It seems 1/3/4/5 are for S3, while 2 is for missing driver.
Should we split them to 2 patch set?
Actually the inconsistency between QemuFwCfgS3Enabled() and
PcdAcpiS3Enable casued the boot failure of HVM direct kernel boot.
S3SaveStateDxe checked PcdAcpiS3Enable(=FALSE) and skipped S3BootScript.
On the other hand, PlatformBootManagerBeforeConsole() invoked
QemuFwCfgS3Enabled()(=TRUE) and tried to locate S3BootScript. Since
S3BootScript wasn't installed, it failed with EFI_NOT_FOUND and stopped
the booting. So Patch 1 and 2 are mainly for the booting issues in
OvmfXen. For Patch 3~5, I just try to eliminate the inconsistency to
avoid the potential problems.
I can split them into 2 or 3 patch sets if necessary.
3) Does the S3 issue only happen in direct kernel boot? Or is it a generic
issue.
4) Have you validated non direct kernel boot to ensure it still works?
Jim,
Did you encounter any problem with non direct kernel boot VM?
No problems encountered, works fine in my testing. Although I did not test these
patches specifically, only the ones in the openSUSE Factory ovmf package.
Regards,
Jim
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