Re: [Qemu-ppc] [PULL 00/12] ppc-for-2.12 queue 20180108

[Michael Roth]

Quoting Peter Maydell (2018-01-09 09:15:25)
> On 9 January 2018 at 12:16, David Gibson <address@hidden> wrote:
> > Thanks.  Even if you can identify which patch it is and we can
> > postpone that one would be a bug help.
> 
> Bisection blames this one:
> 
> address@hidden (1):
>       target-ppc: optimize cmp translation
> 
> A plain boot doesn't work either:
> ./build/ppc/ppc64-softmmu/qemu-system-ppc64 -display none -serial stdio
> 
> 
> SLOF **********************************************************************
> QEMU Starting
>  Build Date = Jul 24 2017 15:15:46
>  FW Version = git-89f519f09bf85091
>  Press "s" to enter Open Firmware.
> 
> Populating /vdevice methods
> Populating /vdevice/address@hidden
> Populating /vdevice/address@hidden
> Populating /vdevice/address@hidden
> Populating /vdevice/address@hidden
>        SCSI: Looking for devices
>           00000000 CD-ROM   : "QEMU     QEMU CD-ROM      2.5+"
> 
> Populating /address@hidden
>                      00 0000 (D) : 1234 1111    qemu vga
>                      00 0800 (D) : 1033 0194    serial bus [ usb-xhci ]
> No NVRAM common partition, re-initializing...
> E
> 
> and then keeps printing out spaces for ever as far as I can see.
> 
> A working build does
> 
> 
> SLOF **********************************************************************
> QEMU Starting
>  Build Date = Jul 24 2017 15:15:46
>  FW Version = git-89f519f09bf85091
>  Press "s" to enter Open Firmware.
> 
> Populating /vdevice methods
> Populating /vdevice/address@hidden
> Populating /vdevice/address@hidden
> Populating /vdevice/address@hidden
> Populating /vdevice/address@hidden
>        SCSI: Looking for devices
>           8200000000000000 CD-ROM   : "QEMU     QEMU CD-ROM      2.5+"
> Populating /address@hidden
>                      00 0000 (D) : 1234 1111    qemu vga
>                      00 0800 (D) : 1033 0194    serial bus [ usb-xhci ]
> No NVRAM common partition, re-initializing...
> Installing QEMU fb
> 
> 
> 
> Scanning USB
>   XHCI: Initializing
>     USB Keyboard
>     USB mouse
> No console specified using screen & keyboard
> 
> [etc etc]
> 
> so you can see it's already diverged because it prints out
> a different value for the name of the pci node and the
> SCSI line has 8200000000000000 vs 00000000.

FYI I actually see this with a raspberry pi 3 too, with repeating spaces
as well. I didn't notice it before since in my case the
ufd_version_check() in test-migration.c was failing so the migration tests
were reporting success but were actually just getting skipped.

> 
> (This is a build for arm32, running in a chroot on an aarch64
> box, non-debug build.)
> 
> thanks
> -- PMM
>