[Note: this mail is primarily send for documentation purposes and/or for regzbot, my Linux kernel regression tracking bot. That's why I removed most or all folks from the list of recipients, but left any that looked like a mailing lists. These mails usually contain '#forregzbot' in the subject, to make them easy to spot and filter out.] On 08.11.22 13:26, Thorsten Leemhuis wrote: > Hi, this is your Linux kernel regression tracker. CCing the regression > mailing list, as it should be in the loop for all regressions, as > explained here: > https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html > > On 28.10.22 11:39, Ard Biesheuvel wrote: >> On Fri, 28 Oct 2022 at 11:38, Gavin Shan <gshan@xxxxxxxxxx> wrote: >>> On 10/28/22 5:21 PM, Ard Biesheuvel wrote: >>>> On Fri, 28 Oct 2022 at 11:10, Gavin Shan <gshan@xxxxxxxxxx> wrote: >>>>> I ran into the following crash with v6.1.rc2. I'm not sure if it's known >>>>> issue. Last good version is v6.0.rc6/rc7. The kernel configuration is attached. >>>> >>>> This is probably related to the patch below. It means the firmware is >>>> buggy, and does not work as it should if the firmware never calls >>>> SetVirtualAddressMap() [and doing so is explicitly described as >>>> OPTIONAL by the EFI specification]. >>>> >>>> The problem here is that other EFI implementations (primarily the >>>> Qualcomm ones used on Windows-on-ARM laptops) are buggy too, and don't >>>> tolerate SetVirtualAddressMap(). >>>> >>>> Can you try whether reverting the patch below helps? >>> >>> I ran into the issue on server, equipped with Ampere CPUs. With d3549a938b73 >>> reverted, the crash disappeared. >> >> Thanks for confirming >> >> Can you please share the complete boot log and the DMI/SMBIOS data? Thanks. > > Gavin, did you ever send this? > > Or Ard, was there any progress to get the issue fixed? > > I ask because I have this on the list of tracked regression -- and I > noticed there is another report about problems caused by d3549a938b73 > now from Alexandru Elisei: > https://lore.kernel.org/lkml/Y2lAB508TrrjpDPi@monolith.localdoman/ #regzbot fixed-by: 550b33cfd445296
