1732497 – qemu-system-ppc64le can't boot the kernel

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Bug 1732497 - qemu-system-ppc64le can't boot the kernel

Summary: qemu-system-ppc64le can't boot the kernel

Keywords:
Status:	CLOSED ERRATA
Alias:	None
Product:	Red Hat Enterprise Linux Advanced Virtualization
Classification:	Red Hat
Component:	qemu-kvm
Sub Component:
Version:	8.0
Hardware:	ppc64le
OS:	Unspecified
Priority:	urgent
Severity:	unspecified
Target Milestone:	rc
Target Release:	8.0
Assignee:	Laurent Vivier
QA Contact:	Min Deng
Docs Contact:
URL:
Whiteboard:
Depends On:	1726075
Blocks:	TRACKER-bugs-affecting-libguestfs
TreeView+	depends on / blocked

Reported:	2019-07-23 13:09 UTC by Danilo Cesar Lemes de Paula
Modified:	2019-08-26 20:25 UTC (History)
CC List:	9 users (show)
Fixed In Version:	qemu-kvm-3.1.0-30.module+el8.0.1+3755+6782b0ed
Doc Type:	If docs needed, set a value
Doc Text:
Clone Of:	1726075
Environment:
Last Closed:	2019-08-07 10:41:45 UTC
Type:	Bug
Target Upstream Version:
Embargoed:
Dependent Products:

Attachments	(Terms of Use)

Links
System	ID	Private	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHBA-2019:2395	0	None	None	None	2019-08-07 10:42:34 UTC

Comment 2 Danilo Cesar Lemes de Paula 2019-07-25 02:06:44 UTC

Fix included in qemu-kvm-3.1.0-30.module+el8.0.1+3755+6782b0ed

Patch 89666 (target/ppc: Fix TCG temporary leaks in gen_bcond()) committed with hash 8c3079b5ee6634b2289134ecc1bb2e16363b5ac7          
Patch 89667 (target/ppc: Enable "decrement and test CTR" version of bcctr) committed with hash 71fb968d9b8a0a57a504d261455052e0ec0a472a

Comment 4 Min Deng 2019-07-25 05:36:18 UTC

QE reproduced the bug on build qemu-kvm-3.1.0-28.module+el8.0.1+3556+b59953c6.ppc64le
QE verified the bug on build qemu-kvm-3.1.0-30.module+el8.0.1+3755+6782b0ed.ppc64le
                             kernel-4.18.0-119.el8.ppc64le

Steps,please refer to the comment0

Actual results,
The original issue was gone,it worked well with TCG mode.

libguestfs: read_lpj_from_files: no boot messages files are readable
/usr/libexec/qemu-kvm \
    -global virtio-blk-pci.scsi=off \
    -no-user-config \
    -enable-fips \
    -nodefaults \
    -display none \
    -machine pseries,accel=tcg \
    -m 1024 \
    -no-reboot \
    -rtc driftfix=slew \
    -kernel /home/onqa/libguestfs-1.40.2/tmp/.guestfs-0/appliance.d/kernel \
    -initrd /home/onqa/libguestfs-1.40.2/tmp/.guestfs-0/appliance.d/initrd \
    -object rng-random,filename=/dev/urandom,id=rng0 \
    -device virtio-rng-pci,rng=rng0 \
    -device virtio-scsi-pci,id=scsi \
    -drive file=/home/onqa/libguestfs-1.40.2/tmp/libguestfsZBYZ1h/scratch1.img,cache=unsafe,format=raw,id=hd0,if=none \
    -device scsi-hd,drive=hd0 \
    -drive file=/home/onqa/libguestfs-1.40.2/tmp/.guestfs-0/appliance.d/root,snapshot=on,id=appliance,cache=unsafe,if=none,format=raw \
    -device scsi-hd,drive=appliance \
    -device virtio-serial-pci \
    -serial stdio \
    -chardev socket,path=/tmp/libguestfsizIIdo/guestfsd.sock,id=channel0 \
    -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \
    -append "panic=1 console=hvc0 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color"
qemu-kvm: warning: TCG doesn't support requested feature, cap-cfpc=workaround
qemu-kvm: warning: TCG doesn't support requested feature, cap-sbbc=workaround
qemu-kvm: warning: TCG doesn't support requested feature, cap-ibs=workaround


SLOF\x1b[0m\x1b[?25l **********************************************************************
\x1b[1mQEMU Starting
\x1b[0m Build Date = Jul 25 2019 00:07:08
 FW Version = mockbuild@ release 20180702
 Press "s" to enter Open Firmware.

Populating /vdevice methods
Populating /vdevice/vty@71000000
Populating /vdevice/nvram@71000001
Populating /pci@800000020000000
                     00 0000 (D) : 1af4 1005    unknown-legacy-device*
                     00 0800 (D) : 1af4 1004    virtio [ scsi ]
Populating /pci@800000020000000/scsi@1
       SCSI: Looking for devices
          100000000000000 DISK     : "QEMU     QEMU HARDDISK    2.5+"
          101000000000000 DISK     : "QEMU     QEMU HARDDISK    2.5+"
                     00 1000 (D) : 1af4 1003    virtio [ serial ]
No NVRAM common partition, re-initializing...
Scanning USB 
Using default console: /vdevice/vty@71000000
Detected RAM kernel at 400000 (1a7b7e0 bytes) 
     
  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@71000000
Preparing to boot Linux version 4.18.0-119.el8.ppc64le (mockbuild.eng.bos.redhat.com) (gcc version 8.3.1 20190507 (Red Hat 8.3.1-4) (GCC)) #1 SMP Thu Jul 18 20:01:15 UTC 2019
Detected machine type: 0000000000000101
command line: panic=1 console=hvc0 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color
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 : 0000000001e90000
  alloc_top    : 0000000030000000
  alloc_top_hi : 0000000040000000
  rmo_top      : 0000000030000000
  ram_top      : 0000000040000000
instantiating rtas at 0x000000002fff0000... done
prom_hold_cpus: skipped
copying OF device tree...
Building dt strings...
Building dt structure...
Device tree strings 0x00000000023a0000 -> 0x00000000023a0acc
Device tree struct  0x00000000023b0000 -> 0x00000000023c0000
Quiescing Open Firmware ...
Booting Linux via __start() @ 0x0000000000400000 ...
[    0.000000] hash-mmu: Page sizes from device-tree:
[    0.000000] hash-mmu: base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0
[    0.000000] hash-mmu: base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1
[    0.000000] Using 1TB segments
[    0.000000] hash-mmu: Initializing hash mmu with SLB
[    0.000000] Linux version 4.18.0-119.el8.ppc64le (mockbuild.eng.bos.redhat.com) (gcc version 8.3.1 20190507 (Red Hat 8.3.1-4) (GCC)) #1 SMP Thu Jul 18 20:01:15 UTC 2019
[    0.000000] Found initrd at 0xc000000001e90000:0xc000000002302e00
[    0.000000] Using pSeries machine description
[    0.000000] bootconsole [udbg0] enabled
[    0.000000] Partition configured for 1 cpus.
[    0.000000] CPU maps initialized for 1 thread per core
[    0.000000] -----------------------------------------------------
[    0.000000] ppc64_pft_size    = 0x17
[    0.000000] phys_mem_size     = 0x40000000
[    0.000000] dcache_bsize      = 0x80
[    0.000000] icache_bsize      = 0x80
[    0.000000] cpu_features      = 0x000000ef8f4d91a7
[    0.000000]   possible        = 0x0000fbffcf5fb1a7
[    0.000000]   always          = 0x00000003800081a1
[    0.000000] cpu_user_features = 0xdc0065c2 0xae000000
[    0.000000] mmu_features      = 0x78006001
[    0.000000] firmware_features = 0x00000005455a445f
[    0.000000] htab_hash_mask    = 0xffff
[    0.000000] -----------------------------------------------------
[    0.000000] numa:   NODE_DATA [mem 0x3ffbfc80-0x3ffcbfff]
[    0.000000] rfi-flush: fallback displacement flush available
[    0.000000] rfi-flush: ori type flush available
[    0.000000] rfi-flush: mttrig type flush available
[    0.000000] count-cache-flush: full software flush sequence enabled.
[    0.000000] stf-barrier: hwsync barrier available
[    0.000000] PCI host bridge /pci@800000020000000  ranges:
[    0.000000]   IO 0x0000200000000000..0x000020000000ffff -> 0x0000000000000000
[    0.000000]  MEM 0x0000200080000000..0x00002000ffffffff -> 0x0000000080000000 
[    0.000000]  MEM 0x0000210000000000..0x000021ffffffffff -> 0x0000210000000000 
[    0.000000] PPC64 nvram contains 65536 bytes
[    0.000000] barrier-nospec: using ORI speculation barrier
[    0.000000] Zone ranges:
[    0.000000]   DMA      empty
[    0.000000]   DMA32    empty
[    0.000000]   Normal   [mem 0x0000000000000000-0x000000003fffffff]
[    0.000000]   Device   empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x000000003fffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000003fffffff]
[    0.000000] percpu: Embedded 4 pages/cpu s172184 r0 d89960 u1048576
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16368
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: panic=1 console=hvc0 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color
[    0.000000] Specific versions of hardware are certified with Red Hat Enterprise Linux 8. Please see the list of hardware certified with Red Hat Enterprise Linux 8 at https://access.redhat.com/ecosystem.
[    0.000000] Memory: 948736K/1048576K available (13632K kernel code, 1856K rwdata, 3328K rodata, 4480K init, 3757K bss, 99840K reserved, 0K cma-reserved)
[    0.000000] random: get_random_u64 called from cache_random_seq_create+0x74/0x190 with crng_init=0
[    0.000000] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] ftrace: allocating 29039 entries in 11 pages
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000] rcu: \tRCU restricting CPUs from NR_CPUS=2048 to nr_cpu_ids=1.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[    0.000000] NR_IRQS: 512, nr_irqs: 512, preallocated irqs: 16
[    0.000000] rcu: \tOffload RCU callbacks from CPUs: (none).
[    0.000326] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x761537d007, max_idle_ns: 440795202126 ns
[    0.000895] clocksource: timebase mult[1f40000] shift[24] registered
[    0.007956] Console: colour dummy device 80x25
[    0.000000] hash-mmu: Page sizes from device-tree:
[    0.000000] hash-mmu: base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0
[    0.000000] hash-mmu: base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1
[    0.000000] Using 1TB segments
[    0.000000] hash-mmu: Initializing hash mmu with SLB
[    0.000000] Linux version 4.18.0-119.el8.ppc64le (mockbuild.eng.bos.redhat.com) (gcc version 8.3.1 20190507 (Red Hat 8.3.1-4) (GCC)) #1 SMP Thu Jul 18 20:01:15 UTC 2019
[    0.000000] Found initrd at 0xc000000001e90000:0xc000000002302e00
[    0.000000] Using pSeries machine description
[    0.000000] bootconsole [udbg0] enabled
[    0.000000] Partition configured for 1 cpus.
[    0.000000] CPU maps initialized for 1 thread per core

Expected results,

It works well with TCG mode.

Comment 5 Min Deng 2019-07-25 05:37:20 UTC

Base on comment 4,this bug has been fixed,thanks.

Comment 7 errata-xmlrpc 2019-08-07 10:41:45 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2019:2395

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