[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] UEFI support on Dell boxes (was: Re: Status of 4.13)
On Mon, Nov 25, 2019 at 7:55 PM Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx> wrote: > > On Mon, Nov 25, 2019 at 07:44:03PM -0800, Roman Shaposhnik wrote: > > On Sun, Nov 24, 2019 at 4:48 PM Marek Marczykowski-Górecki > > <marmarek@xxxxxxxxxxxxxxxxxxxxxx> wrote: > > > Do you have by > > > a chance messages of that crash (without efi=no-rs, but with > > > EFI_SET_VIRTUAL_ADDRESS_MAP enabled)? Or even a photo if no serial output > > > is > > > available? > > > > With my awesome soldering skills ;-) I managed to rig a serial console. > > > > Output is attached. Please let me know if you'd like me to run any > > other experiments. > > Looks helpful, lets try to do something: > > > Xen 4.13.0-rc > > (XEN) Xen version 4.13.0-rc (@) (gcc (Alpine 6.4.0) 6.4.0) debug=y Tue Nov > > 26 03:19:38 UTC 2019 > > (XEN) Latest ChangeSet: > > (XEN) build-id: 07aa9f711fe09a91be2588ee7df10d93ebe34c80 > > (XEN) Bootloader: GRUB 2.03 > > (XEN) Command line: com1=115200,8n1 console=com1 loglvl=all noreboot > > dom0_mem=640M,max:640M dom0_max_vcpus=1 dom0_vcpus_pin smt=false > (...) > > (XEN) EFI memory map: > (...) > > (XEN) 0000077587000-00000775f4fff type=5 attr=800000000000000f > > This is code that crashes - runtime services code, so somewhere with > actual UEFI code. Yup -- that was my hunch with adding efi=no-rs option. > (...) > > (XEN) 00000ff900000-00000ffffffff type=11 attr=8000000000000000 > > (XEN) Unknown cachability for MFNs 0xff900-0xfffff > > The faulting address is in this range. And because of unknown > cachability, it isn't mapped. Try adding 'efi=attr=uc' to the Xen > cmdline. Feels like we're getting exactly the same failure. Log attached. Thanks, Roman. Attachment:
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