** Changed in: ubuntu-z-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2038583
Title:
Turning COMPAT_32BIT_TIME off on s390x
Status
This bug was fixed in the package linux - 6.8.0-20.20
---
linux (6.8.0-20.20) noble; urgency=medium
* noble/linux: 6.8.0-20.20 -proposed tracker (LP: #2058221)
* Noble update: v6.8.1 upstream stable release (LP: #2058224)
- x86/mmio: Disable KVM mitigation when
Applied for 6.8.0-12.12, so included in -20 (that is atm still in
-proposed).
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Title:
Turning COMPAT_32BIT_TIME off on s390x
** Changed in: ubuntu-z-systems
Status: In Progress => Fix Committed
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Title:
Turning COMPAT_32BIT_TIME off on s390x
Status
Patch applied to noble/linux master-next branch:
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/noble/commit/?h=master-
next=158ef97059945d5a7ba3942d88fa691adb46d465
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
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** Changed in: ubuntu-z-systems
Status: Confirmed => In Progress
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Title:
Turning COMPAT_32BIT_TIME off on s390x
Status in
Patch sent to the kernel team mailing list for review:
https://lists.ubuntu.com/archives/kernel-team/2024-January/148256.html
** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
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Thx Andreas for your +1
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Title:
Turning COMPAT_32BIT_TIME off on s390x
Status in Ubuntu on IBM z Systems:
Confirmed
Status in
Makes sense to me - I'm +1 for turning it off starting with noble.
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Title:
Turning COMPAT_32BIT_TIME off on s390x
Status in Ubuntu
IBM Z are deployed for longer timeframes than usually anticipated. And I
don't think we will ever be able to get a straight answer about this.
I am proposing to turn off both COMPAT and COMPAT_32BIT_TIME on s390x in
noble.
If any useful production instances of software are identified that
> TODO: Need to check if we can still compile and run 31bit xenial s390
binaries, on a kernel with COMPAT_32BIT_TIME turned off, to support
launchpad build farm itself.
This is now complete. I believe we are capable of continue to building
ESM/EOL releases, even with COMPAT turned off.
TODO: Need to check if we can still compile and run 31bit xenial s390
binaries, on a kernel with COMPAT_32BIT_TIME turned off, to support
launchpad build farm itself.
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My analysis based on public information is that 31bit binaries that are
compiled against glibc 2.31 or earlier might be affected. Something like
db2 version 9.7, 31bit s390 edition of it. Which is well out of support,
and not sure if it was ever possible to run on Ubuntu.
Separately, please let
Hello, since the "noble"/24.04 development just started, may I ask if
you/IBM have/has any updates or an opinion if it is be okay to switch
off COMPAT_32BIT_TIME?
(We would like to do switch this off for all architectures.)
** Tags added: noble
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** Tags added: architecture-s39064 bugnameltc-203848 severity-medium
targetmilestone-inin---
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Title:
Turning COMPAT_32BIT_TIME off
Studying this more, this is likely to only affect trying to run
libc6-s390 that is from 18.04 bionic or older. As later versions of
libc6-s390 wrap 64bit syscall, instead of calling 32bit syscall
directly.
However, ideally we would drop all s390 (31 bit) binaries from Ubuntu,
and turn off COMPAT
** Tags added: n-release reverse-proxy-bugzilla
** Changed in: ubuntu-z-systems
Status: New => Incomplete
** Changed in: ubuntu-z-systems
Importance: Undecided => High
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => bugproxy (bugproxy)
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This will notably affect libc6-s390
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Title:
Turning COMPAT_32BIT_TIME off on s390x
Status in Ubuntu on IBM z Systems:
New
Status
** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
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Title:
Turning COMPAT_32BIT_TIME off on s390x
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