On Wed, Aug 01, 2018 at 11:07:17AM +0100, James Morse wrote: > Hi Geoff, > > On 31/07/18 16:54, Geoff Levand wrote: > > This m400 HEST problem is blocking me from enabling APEI support in > > Debian [1], so I'd like to come to a conclusion on it. > > > > In summary from [2], Riku and Graeme mention they still have some m400 > > systems in use. Mark did some investigation and found the cause to be > > generated by the m400's firmware, appearing after the EFI stub's call > > to ExitBootServices. > > I did manage to borrow of one of these boxes to discover one additional piece of > information: this firmware bug doesn't exist in the latest released firmware. > > The box was running the most recent firmware, and quotes its System ROM version as: > | U02 v1.01 (10/02/2015) > > This thing doesn't have a HEST at all. > > > Why is the the latest? A current Moonshot component pack[0]'s release notes > quote m400 as removed, and say 'MCP 2017.06.0' was the latest with support. I > can't find the Release Notes for '2017.07.0', but '2017.04.0' is here[1], and it > contains: > | ProLiant_m400_Server_ROM_U02_2015_10_02.HPb > > > It looks like we've been talking about a bug in firmware that was never > released. Can anyone shed any light on where "U02 v1.10 (08/19/2016)" comes from? > > > > Do we want to have an arm64 specific in-kernel fix for this, or should > > it be left to the distro maintainers and end users to decide if and > > how they want to handle it? > > Leave it to the distro maintainers to decide. Any user capable of installing > unofficial firmware should be able to add a string to the kernel command line. > > I think most people are running the firmware provided from HPe support but was never put on release site. NDA prevents us talking about it though! Graeme > Thanks, > > James > > [0] > https://support.hpe.com/hpsc/swd/public/detail?sp4ts.oid=5409784&swItemId=MTX_7ad3cb148b4a444f96470839d8&swEnvOid=4184#tab4 > [1] https://support.hpe.com/hpsc/doc/public/display?docId=c05335771 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
