[Qemu-devel] [Bug 1699277] Re: qemu-system-s390x: asserts while booting Debian Stretch installer

[Bruno Bierbaumer]

Thank you for the super quick response.
I can confirm that the bug is fixed with the current version in git.

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https://bugs.launchpad.net/bugs/1699277

Title:
  qemu-system-s390x: asserts while booting Debian Stretch installer

Status in QEMU:
  Fix Committed

Bug description:
  QEMU 2.9.0 (Arch Linux) asserts when I try to install Debian Stretch.

  Steps to reproduce:

  wget 
http://ftp.debian.org/debian/dists/stretch/main/installer-s390x/current/images/generic/initrd.debian
  wget 
http://ftp.debian.org/debian/dists/stretch/main/installer-s390x/current/images/generic/kernel.debian
  qemu-img create -f qcow2 hda.qcow2 80G
  qemu-system-s390x -kernel kernel.debian -initrd initrd.debian -nographic 
-drive file=hda.qcow2

  Output:

  [    0.051915] Linux version 4.9.0-3-s390x (address@hidden) (gcc version 
6.3.0 20170516 (Debian 6.3.0-18) ) #1 SMP Debian 4.9.30-2 (2017-06-12)
  [    0.053000] setup: Linux is running under KVM in 64-bit mode
  [    0.053780] setup: Max memory size: 128MB
  [    0.067239] Write protected kernel read-only data: 8848k
  [    0.082461] Zone ranges:
  [    0.083717]   DMA      [mem 0x0000000000000000-0x000000007fffffff]
  [    0.084163]   Normal   empty
  [    0.084185] Movable zone start for each node
  [    0.084223] Early memory node ranges
  [    0.084306]   node   0: [mem 0x0000000000000000-0x0000000007ffffff]
  [    0.084468] Initmem setup node 0 [mem 
0x0000000000000000-0x0000000007ffffff]
  [    0.087697] percpu: Embedded 19 pages/cpu @0000000007f87000 s40704 r8192 
d28928 u77824
  [    0.088991] Built 1 zonelists in Zone order, mobility grouping on.  Total 
pages: 32256
  [    0.089108] Kernel command line: 
  [    0.096684] PID hash table entries: 512 (order: 0, 4096 bytes)
  [    0.096853] Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
  [    0.097041] Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
  [    0.102453] Memory: 105164K/131072K available (6060K kernel code, 802K 
rwdata, 2784K rodata, 508K init, 648K bss, 25908K reserved, 0K cma-reserved)
  [    0.109112] Hierarchical RCU implementation.
  [    0.109134]        Build-time adjustment of leaf fanout to 64.
  [    0.109155]        RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=2.
  [    0.109194] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=2
  [    0.122047] NR_IRQS:3 nr_irqs:3 3
  [    0.124317] clocksource: tod: mask: 0xffffffffffffffff max_cycles: 
0x3b0a9be803b0a9, max_idle_ns: 1805497147909793 ns
  [    0.138366] console [ttyS1] enabled
  [    0.139126] pid_max: default: 32768 minimum: 301
  [    0.143164] Security Framework initialized
  [    0.143215] Yama: disabled by default; enable with sysctl kernel.yama.*
  [    0.143955] AppArmor: AppArmor disabled by boot time parameter
  [    0.144489] Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
  [    0.144538] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes)
  [    0.156937] ftrace: allocating 19165 entries in 75 pages
  [    0.408921] cpu: 1 configured CPUs, 0 standby CPUs
  [    0.433942] Brought up 1 CPUs
  [    0.451811] devtmpfs: initialized
  [    0.467021] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, 
max_idle_ns: 7645041785100000 ns
  [    0.467549] futex hash table entries: 512 (order: 5, 131072 bytes)
  [    0.476626] NET: Registered protocol family 16
  [    0.482575] The s390-virtio transport is deprecated. Please switch to a 
modern host providing virtio-ccw.
  [    0.693017] VFS: Disk quotas dquot_6.6.0
  [    0.693296] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
  [    0.695029] hugetlbfs: disabling because there are no supported hugepage 
sizes
  [    0.703040] NET: Registered protocol family 2
  [    0.709803] TCP established hash table entries: 1024 (order: 1, 8192 bytes)
  [    0.710003] TCP bind hash table entries: 1024 (order: 2, 16384 bytes)
  [    0.710134] TCP: Hash tables configured (established 1024 bind 1024)
  [    0.710879] UDP hash table entries: 256 (order: 1, 8192 bytes)
  [    0.711005] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
  [    0.712409] NET: Registered protocol family 1
  [    0.717432] Unpacking initramfs...
  [    1.308935] random: fast init done
  [    1.597369] Freeing initrd memory: 10152K (0000000000f90000 - 
000000000197a000)
  [    1.600200] hypfs: The hardware system does not support hypfs
  [    1.601718] hypfs: Initialization of hypfs failed with rc=-61
  [    1.605317] audit: initializing netlink subsys (disabled)
  [    1.606211] audit: type=2000 audit(1497977949.601:1): initialized
  [    1.611137] workingset: timestamp_bits=46 max_order=15 bucket_order=0
  [    1.612066] zbud: loaded
  [    1.642108] Block layer SCSI generic (bsg) driver version 0.4 loaded 
(major 252)
  [    1.643111] io scheduler noop registered
  [    1.643160] io scheduler deadline registered
  [    1.643383] io scheduler cfq registered (default)
  [    1.644143] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
  [    1.644221] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
  [    1.645626] hvc_iucv: The z/VM IUCV HVC device driver cannot be used 
without z/VM
  [    1.647547] mousedev: PS/2 mouse device common for all mice
  [    1.649359] ledtrig-cpu: registered to indicate activity on CPUs
  [    1.649884] cio: Channel measurement facility initialized using format 
extended (mode autodetected)
  [    1.657228] NET: Registered protocol family 10
  [    1.663924] mip6: Mobile IPv6
  [    1.664068] NET: Registered protocol family 17
  [    1.664195] mpls_gso: MPLS GSO support
  [    1.667936] registered taskstats version 1
  [    1.669547] zswap: loaded using pool lzo/zbud
  [    1.674474] ima: No TPM chip found, activating TPM-bypass!
  [    1.739953] Freeing unused kernel memory: 508K (0000000000a6f000 - 
0000000000aee000)
  [    1.740381] Write protected read-only-after-init data: 4k
  **
  ERROR:/build/qemu/src/qemu-2.9.0/translate-common.c:34:tcg_handle_interrupt: 
assertion failed: (qemu_mutex_iothread_locked())
  [1]    13880 abort (core dumped)  qemu-system-s390x -kernel kernel.debian 
-initrd initrd.debian -nographic 

  Trace:
  #0  0x00007ffff10fb670 in raise () at /usr/lib/libc.so.6
  #1  0x00007ffff10fcd00 in abort () at /usr/lib/libc.so.6
  #2  0x00007ffff35dfc9d in g_assertion_message () at /usr/lib/libglib-2.0.so.0
  #3  0x00007ffff35dfd2a in g_assertion_message_expr () at 
/usr/lib/libglib-2.0.so.0
  #4  0x00005555556abb84 in  ()
  #5  0x000055555572ab73 in css_adapter_interrupt ()
  #6  0x000055555571be68 in virtio_notify ()
  #7  0x00005555556f84ce in  ()
  #8  0x00005555556f9afd in  ()
  #9  0x00005555556fa78f in virtio_blk_handle_vq ()
  #10 0x000055555571b7f1 in virtio_queue_notify ()
  #11 0x000055555572ceb7 in  ()
  #12 0x0000555555726f86 in s390_virtio_hypercall ()
  #13 0x0000555555752c85 in helper_diag ()
  #14 0x00007fffe46664bf in code_gen_buffer ()
  #15 0x00005555556ab2f5 in cpu_exec ()
  #16 0x00005555556ce08d in  ()
  #17 0x00007ffff1474297 in start_thread () at /usr/lib/libpthread.so.0
  #18 0x00007ffff11b525f in clone () at /usr/lib/libc.so.6

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