linux-kernel - linux-next: qemu boot failures with today's linux-next

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Date:   Mon, 15 Oct 2018 19:18:59 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        PowerPC <linuxppc-dev@...ts.ozlabs.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: linux-next: qemu boot failures with today's linux-next

Hi all,

Today's linux-next tree does not boot in qemu (with kvm or without).
Here is the (non-kvm) boot log (the kvm one is basically the same):

------------------------------------------------------
SLOF.[0m.[?25l **********************************************************************
.[1mQEMU Starting
.[0m Build Date = Sep 24 2017 12:23:07
 FW Version = buildd@ release 20170724
 Press "s" to enter Open Firmware.

.[0m.[?25hC0000C0100C0120C0140C0200C0240C0260C02E0C0300C0320C0340C0360C0370C0380C0371C0372C0373C0374C03F0C0400C0480C04C0C04D0C0500Populating /vdevice methods
Populating /vdevice/vty@...00000
Populating /vdevice/nvram@...00001
Populating /vdevice/l-lan@...00002
Populating /vdevice/v-scsi@...00003
       SCSI: Looking for devices
          8200000000000000 CD-ROM   : "QEMU     QEMU CD-ROM      2.5+"
C05A0Populating /pci@...000020000000
C0600C06C0C0700C0800C0880No NVRAM common partition, re-initializing...
C0890C08A0C08A8C08B0Scanning USB 
C08C0C08D0Using default console: /vdevice/vty@...00000
C08E0C08E8Detected RAM kernel at 400000 (122a850 bytes) 
C08FF     
  Welcome to Open Firmware

  Copyright (c) 2004, 2017 IBM Corporation All rights reserved.
  This program and the accompanying materials are made available
  under the terms of the BSD License available at
  http://www.opensource.org/licenses/bsd-license.php

Booting from memory...
OF stdout device is: /vdevice/vty@...00000
Preparing to boot Linux version 4.19.0-rc7 (sfr@ash) (gcc version 8.2.0 (Debian 8.2.0-4)) #2 SMP Mon Oct 15 18:53:28 AEDT 2018
Detected machine type: 0000000000000101
command line: 
Max number of cores passed to firmware: 2048 (NR_CPUS = 2048)
Calling ibm,client-architecture-support... done
memory layout at init:
  memory_limit : 0000000000000000 (16 MB aligned)
  alloc_bottom : 0000000001640000
  alloc_top    : 0000000030000000
  alloc_top_hi : 0000000080000000
  rmo_top      : 0000000030000000
  ram_top      : 0000000080000000
instantiating rtas at 0x000000002fff0000... done
prom_hold_cpus: skipped
copying OF device tree...
Building dt strings...
Building dt structure...
Device tree strings 0x0000000001850000 -> 0x0000000001850a02
Device tree struct  0x0000000001860000 -> 0x0000000001870000
Quiescing Open Firmware ...
Booting Linux via __start() @ 0x0000000000400000 ...
------------------------------------------------------

I have no idea what may have caused this.

-- 
Cheers,
Stephen Rothwell

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