[Bug 1852781] [NEW] qemu s390x on focal - applications breaking

[Bug 1852781] [NEW] qemu s390x on focal - applications breaking

[Colin Ian King]

Public bug reported:

Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal host
with an upgrade of a Eoan s390x VM to a Focal s390x is triggering random
breakage, for example:

sudo apt-get update && sudo apt-get dist-upgrade

...
...

Unpacking debianutils (4.9) over (4.8.6.3) ...
Setting up debianutils (4.9) ...
Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
(Reading database ... 83640 files and directories currently installed.)
Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
Setting up bash (5.0-5ubuntu1) ...
[12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
dpkg: error processing package bash (--configure):
 installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
mped
Errors were encountered while processing:
 bash
E: Sub-process /usr/bin/dpkg returned an error code (1)

And now bash is completely broken:

cking@eoan-s390x:~$ bash
[12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

Floating point exception (core dumped)

The upgrade works OK on a s390x, so I'm assuming it's something to do
with the qemu emulation.

** Affects: qemu
     Importance: Undecided
         Status: New

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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  New

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

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[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Colin Ian King]

I've also seen in the dmesg log:

[  287.624414] User process fault: interruption code 0007 ilc:3 in libstdc++.so.6.0.28[3ffb3e00000+21d000]
[  288.991706] User process fault: interruption code 0007 ilc:3 in libstdc++.so.6.0.28[3ff90080000+21d000]

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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  New

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

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[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Colin Ian King]

ps is showing QEMU is running as follows:

/usr/bin/qemu-system-s390x -name guest=ubuntu20.04-focal-s390x,debug-
threads=on -S -object
secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-10-ubuntu20.04-focal-s3
/master-key.aes -machine s390-ccw-virtio-eoan,accel=tcg,usb=off,dump-
guest-core=off -m 2048 -overcommit mem-lock=off -smp
2,sockets=2,cores=1,threads=1 -uuid 6501dfbf-16d7-4412-a9d5-1ee808b42804
-display none -no-user-config -nodefaults -chardev
socket,id=charmonitor,fd=24,server,nowait -mon
chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown
-boot strict=on -device virtio-scsi-ccw,id=scsi0,devno=fe.0.0002 -device
virtio-serial-ccw,id=virtio-serial0,devno=fe.0.0003 -drive file=/pool-
ssd/virt/ubuntu19.10-eaon-s390x-clone,format=qcow2,if=none,id=drive-
virtio-disk0 -device virtio-blk-ccw,scsi=off,devno=fe.0.0000,drive
=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive if=none,id=drive-
scsi0-0-0-0,readonly=on -device scsi-cd,bus=scsi0.0,channel=0,scsi-
id=0,lun=0,device_id=drive-scsi0-0-0-0,drive=drive-
scsi0-0-0-0,id=scsi0-0-0-0 -netdev tap,fd=27,id=hostnet0 -device virtio-
net-ccw,netdev=hostnet0,id=net0,mac=52:54:00:a3:21:68,devno=fe.0.0001
-chardev socket,id=charchannel0,fd=28,server,nowait -device
virtserialport,bus=virtio-
serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0
-chardev pty,id=charconsole0 -device
sclpconsole,chardev=charconsole0,id=console0 -device virtio-balloon-
ccw,id=balloon0,devno=fe.0.0004 -object rng-
random,id=objrng0,filename=/dev/urandom -device virtio-rng-
ccw,rng=objrng0,id=rng0,devno=fe.0.0005 -sandbox
on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny
-msg timestamp=on

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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  New

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

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Re: [Bug 1852781] Re: qemu s390x on focal - applications breaking

[Christian Ehrhardt ]

Hi Colin,
I didn't read much if the details but I think it is clear.

Per request of IBM focal got -march=z13 but tcg has no emulation for some
of the instructions of this cpu.

That is the breakage that you are seeing and afaik there is nothing we can
do than waiting for qemu to grow that support.

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You received this bug notification because you are a member of qemu-
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https://bugs.launchpad.net/bugs/1852781

Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  New

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions

[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Thomas Huth]

Can you please test again with the latest QEMU 4.2 RC? There have been
quite a lot of fixes in this area in the past months, so maybe this
issue has already been resolved in 4.2.

** Changed in: qemu
       Status: New => Incomplete

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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Incomplete

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
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[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Frank Heimes]

** Tags added: s390x

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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Incomplete

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
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[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Frank Heimes]

** Also affects: ubuntu-z-systems
   Importance: Undecided
       Status: New

** Changed in: ubuntu-z-systems
       Status: New => Incomplete

-- 
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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Incomplete
Status in Ubuntu on IBM z Systems:
  Incomplete

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions

[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Frank Heimes]

** Tags added: qemu-20.04

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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Incomplete
Status in Ubuntu on IBM z Systems:
  Incomplete

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions

[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Launchpad Bug Tracker]

[Expired for QEMU because there has been no activity for 60 days.]

** Changed in: qemu
       Status: Incomplete => Expired

-- 
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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Expired
Status in Ubuntu on IBM z Systems:
  Expired

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions

[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Launchpad Bug Tracker]

[Expired for Ubuntu on IBM z Systems because there has been no activity
for 60 days.]

** Changed in: ubuntu-z-systems
       Status: Incomplete => Expired

-- 
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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Expired
Status in Ubuntu on IBM z Systems:
  Expired

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions

[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Christian Ehrhardt ]

FYI - Focal now contains 4.2 which might (or not) have the bits you need.
You most likely get further, but I can't give guarantees if enough of march=z13 is supported to work for a full Focal (not sure on vector instructions for example) including all of userspace.

Marking it incomplete - if someone wants to try please go for it and let us know.
Otherwise let it expire again ...

** Changed in: qemu
       Status: Expired => Incomplete

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Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Incomplete
Status in Ubuntu on IBM z Systems:
  Expired

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

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[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Thomas Huth]

Seems like you have to set all to "incomplete" to restart the expire
counter again...

** Changed in: ubuntu-z-systems
       Status: Expired => Incomplete

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https://bugs.launchpad.net/bugs/1852781

Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Incomplete
Status in Ubuntu on IBM z Systems:
  Incomplete

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions

[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Launchpad Bug Tracker]

[Expired for Ubuntu on IBM z Systems because there has been no activity
for 60 days.]

** Changed in: ubuntu-z-systems
       Status: Incomplete => Expired

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1852781

Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Expired
Status in Ubuntu on IBM z Systems:
  Expired

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions

[Bug 1852781] Re: qemu s390x on focal - applications breaking

[Launchpad Bug Tracker]

[Expired for QEMU because there has been no activity for 60 days.]

** Changed in: qemu
       Status: Incomplete => Expired

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1852781

Title:
  qemu s390x on focal - applications breaking

Status in QEMU:
  Expired
Status in Ubuntu on IBM z Systems:
  Expired

Bug description:
  Running qemu-system-s390x (1:4.0+dfsg-0ubuntu10) on an x86-64 Focal
  host with an upgrade of a Eoan s390x VM to a Focal s390x is triggering
  random breakage, for example:

  sudo apt-get update && sudo apt-get dist-upgrade

  ...
  ...

  Unpacking debianutils (4.9) over (4.8.6.3) ...
  Setting up debianutils (4.9) ...
  Use of uninitialized value $ARGV[0] in string ne at /usr/sbin/update-mime line 43.
  (Reading database ... 83640 files and directories currently installed.)
  Preparing to unpack .../bash_5.0-5ubuntu1_s390x.deb ...
  Unpacking bash (5.0-5ubuntu1) over (5.0-4ubuntu1) ...
  Setting up bash (5.0-5ubuntu1) ...
  [12124.788618] User process fault: interruption code 0007 ilc:3 in bash[2aa3d780000+149000]
  dpkg: error processing package bash (--configure):
   installed bash package post-installation script subprocess was killed by signal (Floating point exception), core du
  mped
  Errors were encountered while processing:
   bash
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  And now bash is completely broken:

  cking@eoan-s390x:~$ bash
  [12676.204389] User process fault: interruption code 0007 ilc:3 in bash[2aa14780000+149000]

  Floating point exception (core dumped)

  The upgrade works OK on a s390x, so I'm assuming it's something to do
  with the qemu emulation.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1852781/+subscriptions