[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: ubuntu-z-systems Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
This bug was fixed in the package qemu - 1:4.2-3ubuntu6.19 --- qemu (1:4.2-3ubuntu6.19) focal; urgency=medium * d/p/u/lp-1749393-linux-user-Reserve-space-for-brk.patch: fix static use cases needing a lot of brk space (LP: #1749393) * d/p/u/lp-1929926-target-s390x-Fix-translation-exception-on-illegal-in.patch: fix uretprobe in s390x TCG (LP: #1929926) -- Christian Ehrhardt Mon, 26 Apr 2021 11:11:19 +0200 ** Changed in: qemu (Ubuntu Focal) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
This bug was fixed in the package qemu - 1:5.2+dfsg-9ubuntu3.3 --- qemu (1:5.2+dfsg-9ubuntu3.3) hirsute; urgency=medium * d/p/u/lp-1929926-target-s390x-Fix-translation-exception-on-illegal-in.patch: fix uretprobe in s390x TCG (LP: #1929926) -- Christian Ehrhardt Tue, 12 Oct 2021 09:04:44 +0200 ** Changed in: qemu (Ubuntu Hirsute) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
There was one bad old tag left, fixed that. Once the SRU Team is back for action this should be released. ** Tags removed: block-proposed-hirsute -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Thank you, Ilya. I've adjusted the tags accordingly ... ** Tags removed: verification-needed verification-needed-focal verification-needed-hirsute ** Tags added: verification-done verification-done-focal verification-done-hirsute -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Hello, the slow verification of this blocks the more important/urgent fix of bug 1749393 that we'd really would want to get released before Christmas. I know that FHeimes has coordinated this to be tested within IBM - any chance to get this completed in the next few days? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: ubuntu-z-systems Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
FYI - the autopkgtest on lava was flaky and is now resolved. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Thanks for accepting this @SRU Team I added block-proposed-hirsute as outlined in the description. Up to testing ... ** Tags added: block-proposed-hirsute -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Hello bugproxy, or anyone else affected, Accepted qemu into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/qemu/1:4.2-3ubuntu6.19 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users. If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed- focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification- failed-focal. In either case, without details of your testing we will not be able to proceed. Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping! N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days. ** Changed in: qemu (Ubuntu Focal) Status: In Progress => Fix Committed ** Tags added: verification-needed-focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Hello bugproxy, or anyone else affected, Accepted qemu into hirsute-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/qemu/1:5.2+dfsg-9ubuntu3.3 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users. If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed- hirsute to verification-done-hirsute. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-hirsute. In either case, without details of your testing we will not be able to proceed. Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping! N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days. ** Changed in: qemu (Ubuntu Hirsute) Status: In Progress => Fix Committed ** Tags added: verification-needed verification-needed-hirsute -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: ubuntu-z-systems Status: Won't Fix => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Thanks, I agree and I guess if it really is a problem (I think not) then the SRU team will speak up on review. Uploaded to F/H-unapproved -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
I understand you want to stage this fix in Hirsute via block-proposed as by looking at Hirsute alone the benefit/cost of the SRU is not high enough, still doing this will mean that there will be a (small) regression for users upgrading from Focal to Hirsute. OTOH if we look at Focal and Hirsute *together*, given that we have a Focal SRU to piggyback, then I think the overall benefit/cost of releasing this fix to both the releases is acceptable, even without staging the Hirsute SRU. I'd lean towards not staging, but this is up to you and the SRU team. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: qemu (Ubuntu Focal) Status: Won't Fix => In Progress ** Changed in: qemu (Ubuntu Hirsute) Status: Won't Fix => In Progress ** Changed in: qemu (Ubuntu Focal) Assignee: (unassigned) => Christian Ehrhardt (paelzer) ** Changed in: qemu (Ubuntu Hirsute) Assignee: (unassigned) => Christian Ehrhardt (paelzer) ** Tags added: server-todo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Description changed: [Impact] - * A bad return in handling uretprobe makes qemu tcg to crash the probed -application. + * A bad return in handling uretprobe makes qemu tcg to crash the probed + application. - * Fix is small and upstream, backport as SRU to fix it in active releases -as well + * Fix is small and upstream, backport as SRU to fix it in active releases + as well [Test Plan] - * See + * See https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1929926/comments/8 [Where problems could occur] - * Changes are limited to s390x TCG, so that is the kind of use cases to -look out for potential issues as well. + * Changes are limited to s390x TCG, so that is the kind of use cases to + look out for potential issues as well. [Other Info] - - * TODO: we need to clarify the importance of this before fully entering -SRU + + * This bug on its own isn't important enough to cause everyone to +download a new qemu. But we now have another bug to bundle it with, +and users as well as the bug reporter are mostly interested in the +LTS. OTOH we need this fix here for F+H but the other one only for F. +Therefore intention is to hold it back for Hirsute via block-proposed +while fully completing Focal. - --Problem Description--- Using an uretprobe in QEMU without hardware acceleration causes a SIGSEGV. ---uname output--- na Machine Type = na ---Debugger--- A debugger is not configured ---Steps to Reproduce--- Run attach_probe eBPF testcase in QEMU. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/bpf/prog_tests/attach_probe.c?h=v5.12#n73 Userspace tool common name: na The userspace tool has the following bit modes: 64-bit Userspace rpm: na Userspace tool obtained from project website: na Fix: https://git.qemu.org/?p=qemu.git;a=commit;h=86131c71b13257e095d8c4f4453d52cbc6553c07 Package qemu focal (20.04LTS) 1:4.2-3ubuntu6.14 groovy (20.10) 1:5.0-5ubuntu9.6 hirsute (21.04)1:5.2+dfsg-9ubuntu2 impish (metapackages): 1:5.2+dfsg-9ubuntu3 It would be good to have this fix in 20.04 and the later ones. The patch applies cleanly to all levels. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: ubuntu-z-systems Status: Triaged => Won't Fix ** Changed in: ubuntu-z-systems Importance: Medium => Wishlist -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Thank you for the clarifications! Then I'd say we can piggyback it onto another upload !IF! upfront you could spent the cycles to confirm that the test builds really give you what you'd want/need in Focal and Hirsute. Until then - I'll mark this Won't Fix ** Changed in: qemu (Ubuntu Focal) Status: Triaged => Won't Fix ** Changed in: qemu (Ubuntu Hirsute) Status: Triaged => Won't Fix ** No longer affects: qemu (Ubuntu Groovy) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
I have prepared MPs F: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/410032 H: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/410033 and a PPA: https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/4682 The hint that it is emulation helped and I now have working test steps and added an SRU Template for the bug. But it also made me wonder about the importance of having this at all. I mean ... really ... "uretprobes"? While nice those are not the most common use case for Ubuntu users IMHO. And then s390x TCG emulation, that is rare as well and so far in the past was not even always really supported/wanted by IBM. Combining the two I'm tempted to say we'd waste the time of the SRU team, waster internet BW to push a new qemu everywhere and waste testing time. Then there also is plenty of fuzz applying it back to Focal (Hirsute is fine). Applying patch ubuntu/lp-1929926-target-s390x-Fix-translation-exception-on-illegal-in.patch patching file target/s390x/translate.c Hunk #1 succeeded at 6317 with fuzz 2 (offset -95 lines). Hunk #2 succeeded at 6334 (offset -95 lines). Hunk #3 succeeded at 6362 (offset -95 lines). Hunk #4 succeeded at 6371 with fuzz 1 (offset -95 lines). Hunk #5 succeeded at 6385 with fuzz 2 (offset -103 lines). Hunk #6 succeeded at 6445 (offset -104 lines). Nothing evil - I reviewed and think it is fine, but still it adds to my point of "maybe not worth for what it fixes". I wonder (no offense) if this has a real use case that IBM considers to be important for Ubuntu users or if this is just a "we have found it so let us fix it" case. If it is the latter then I'm tempted to say Won't Fix here. Or at least have it wait for another qemu SRU to come by that we can add it on top of. Therefore my question to IBM, are there any use-cases or other strong reasons to push for this fix? If you do care about it I'm happy to help to carry this to a conclusion, but I'm asking for: 1. Please provide a use-case or reasoning why this actually deserves to be SRU-fixed and the few that want/need it can't just upgrade to e.g. 21.10? This isn't about me, we also need this to convince the SRU team 2. Please Test the linked PPA for Hirsute and Focal and report if both fulfill your needs 3. Please have a look at the Focal MP and confirm that you think the backport fuzz did not mess up anything P.S. on potentially adding it on top of some other SRU: - No other strong SRU in the queue right now (but there will be I'm sure). - I'm also asking the security Team is something is inbound ... - I'd still want 1-3 above be answered even if we piggy-back it on something else -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Merge proposal linked: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/410032 ** Merge proposal linked: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/410033 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Ok, emulation it shall be then ...
Finalized test steps:
1.
On x86 get an emulated s390x guest the way you prefer
Example with uvtool + modifications:
$ sudo apt install qemu-system-s390x
$ uvt-simplestreams-libvirt --verbose sync --source
http://cloud-images.ubuntu.com/daily arch=s390x label=daily release=focal
$ uvt-kvm create --password=ubuntu qemu-s390x-tcg release=focal arch=s390x
label=daily
$ virsh destroy qemu-s390x-tcg
That image will obviously fail to run in x86, so adapt the Guest XML to use tcg
Use something like:
qemu-s390x-tcg
cfac1691-2da7-49bb-bf09-c7f0cdefcf85
https://launchpad.net/uvtool/libvirt/1;>ssh-rsa
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
root@localhost
ssh-dss
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
root@localhost
ecdsa-sha2-nistp256
E2VjZHNhLXNoYTItbmlzdHAyNTYIbmlzdHAyNTYAAABBBGsr5+bBmrFA4Qfv94Dj+Qwm8GjR1WsWORBfZP8QPO0HmL9uOEvtPn12W6zchY+svA0u4136ZFp/I2hZ6LXOCf0=
root@localhost
ssh-ed25519
C3NzaC1lZDI1NTE5IMstvO+G5089bnuUbur+pOz5RaDpx1IgtxOi3a510bSO
root@localhost
524288
524288
1
hvm
qemu
destroy
restart
destroy
/usr/bin/qemu-system-s390x
$ virsh start --console qemu-s390x-tcg
# wait as in the emulator this will need a while.
2. In that guest prep the load
Note you have to run those as root
# prereq
$ sudo apt update
$ apt install binutils
# define probe
$ bash
$ echo "r:bash_readline /usr/bin/bash:0x$(nm -D /usr/bin/bash | awk '/T
readline$/ {print $1}')" > /sys/kernel/debug/tracing/uprobe_events
# check if the probe is active and enable it
$ cat /sys/kernel/debug/tracing/uprobe_events
r:uprobes/bash_readline /usr/bin/bash:0x000dd250
$ echo 1 >/sys/kernel/debug/tracing/events/uprobes/bash_readline/enable
# Start bash (or actually do anything in your ssh login which also is in bash)
to trigger some traces
$ /usr/bin/bash -c 'echo $BASH_VERSION'
Bad case:
bash will exit on most activities (anything that involves readline like typing
a command)
Good case:
bash survives
Note: There are no log entries in Host qemu log or journal
To reset the test case you can disable tracing from the outside without
triggering readline like:
$ uvt-kvm ssh qemu-s390x-tcg "echo 0 | sudo tee
/sys/kernel/debug/tracing/events/uprobes/bash_readline/enable"
0
$ uvt-kvm ssh qemu-s390x-tcg "sudo cat
/sys/kernel/debug/tracing/events/uprobes/bash_readline/enable"
0
Then you can ssh-log in again and now it would work in good and bad case:
ubuntu@qemu-s390x-tcg:~$ /usr/bin/bash -c 'echo $BASH_VERSION'
5.0.17(1)-release
** Description changed:
+ [Impact]
+
+ * A bad return in handling uretprobe makes qemu tcg to crash the probed
+application.
+
+ * Fix is small and upstream, backport as SRU to fix it in active releases
+as well
+
+ [Test Plan]
+
+ * See
+ https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1929926/comments/8
+
+ [Where problems could occur]
+
+ * Changes are limited to s390x TCG, so that is the kind of use cases to
+look out for potential issues as well.
+
+ [Other Info]
+
+ * TODO: we need to clarify the importance of this before fully entering
+SRU
+
+
+
+
+
--Problem Description---
Using an uretprobe in QEMU without hardware acceleration causes a SIGSEGV.
-
+
---uname output---
na
-
- Machine Type = na
-
+
+ Machine Type = na
+
---Debugger---
A debugger is not configured
-
+
---Steps to Reproduce---
- Run attach_probe eBPF testcase in QEMU.
+ Run attach_probe eBPF testcase in QEMU.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/bpf/prog_tests/attach_probe.c?h=v5.12#n73
-
- Userspace tool common name: na
- The userspace
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Hi again,
I know it is prio-low for everyone, but still thanks for your patience!
Plenty of other things now finally are out of the way, so I tried to test the
current broken'ness of this before starting a SRU.
1. Create a s390x KVM guest, for example via, but not limited to:
$ uvt-kvm create --password=ubuntu testguest release=focal arch=s390x
label=daily
# Note: do so with the various qemu versions that are to be tested.
In my example I had
Focal: 1:4.2-3ubuntu6.17
Hirsute: 1:5.2+dfsg-9ubuntu3.1
2. In that guest prep the load so kindly outlined in comment #3 (slightly
adapted to match)
Note you have to run those as root
# prereq
$ apt install binutils
# define probe
$ echo "r:bash_readline /usr/bin/bash:0x$(nm -D /usr/bin/bash | awk '/T
readline$/ {print $1}')" > /sys/kernel/debug/tracing/uprobe_events
# check if the probe is active and enable it
$ cat /sys/kernel/debug/tracing/uprobe_events
r:uprobes/bash_readline /usr/bin/bash:0x000dd250
$ echo 1 >/sys/kernel/debug/tracing/events/uprobes/bash_readline/enable
# Start bash to trigger some traces
$ /usr/bin/bash -c 'echo $BASH_VERSION'
5.0.17(1)-release
# Check if traces happened
$ cat /sys/kernel/debug/tracing/trace
root@testguest2:~# cat /sys/kernel/debug/tracing/trace
# tracer: nop
#
# entries-in-buffer/entries-written: 2/2 #P:1
#
#_-=> irqs-off
# / _=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# TIMESTAMP FUNCTION
# | | | | |
bash-1653[000] d... 540.252440: bash_readline: (0x2aa377b590e
<- 0x2aa3785d250)
bash-1653[000] d... 555.642396: bash_readline: (0x2aa377b590e
<- 0x2aa3785d250)
So far this just works, I see the uretprobes happening in the trace.
But neither my test bash nor the one that I'm in logged into the guest
crashed/stopped in any way.
This is true for both tested qemu versions.
Is this only affecting emulated s390x?
Is there something else I miss to recreate this?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1929926
Title:
[UBUNTU 21.10] qemu: target/s390x: Fix translation exception on
illegal instruction
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[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Merge proposal linked: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/407157 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Merge proposal linked: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/407156 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Merge proposal unlinked: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/407156 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Ubuntu 20.10 (Groovy Gorilla) reached its End of Life on July 22 2021, hence I'm updating now the groovy entry of this ticket to Won't Fix. ** Changed in: qemu (Ubuntu Groovy) Status: Triaged => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
This bug was fixed in the package qemu - 1:6.0+dfsg-1~ubuntu3 --- qemu (1:6.0+dfsg-1~ubuntu3) impish; urgency=medium * d/p/u/lp-1935617-target-ppc-Fix-load-endianness-for-lxvwsx-lxvdsx.patch: fix TCG emulation for ppc64 (LP: #1935617) qemu (1:6.0+dfsg-1~ubuntu2) impish; urgency=medium * d/control: remove fuse2 trial-build (LP 1934510) qemu (1:6.0+dfsg-1~ubuntu1) impish; urgency=medium * Merge with Debian experimental, Among many other things this fixes LP Bugs: (LP: #1907952) broken arrow keys in -display gtk on aarch64 - qemu-kvm to systemd unit - d/qemu-kvm-init: script for QEMU KVM preparation modules, ksm, hugepages and architecture specifics - d/qemu-system-common.qemu-kvm.service: systemd unit to call qemu-kvm-init - d/qemu-system-common.install: install helper script - d/qemu-system-common.qemu-kvm.default: defaults for /etc/default/qemu-kvm - d/rules: call dh_installinit and dh_installsystemd for qemu-kvm - Distribution specific machine type (LP: 1304107 1621042 1776189 1761372 1761372 1776189) - d/p/ubuntu/define-ubuntu-machine-types.patch: define distro machine types containing release versioned machine attributes - d/qemu-system-x86.NEWS Info on fixed machine type defintions for host-phys-bits=true - Add an info about -hpb machine type in debian/qemu-system-x86.NEWS - ubuntu-q35 alias added to auto-select the most recent q35 ubuntu type - Enable nesting by default - d/p/ubuntu/enable-svm-by-default.patch: Enable nested svm by default in qemu64 on amd [ No more strictly needed, but required for backward compatibility ] - improved dependencies - Make qemu-system-common depend on qemu-block-extra - Make qemu-utils depend on qemu-block-extra - Let qemu-utils recommend sharutils - tolerate ipxe size change on migrations to >=18.04 (LP: 1713490) - d/p/ubuntu/pre-bionic-256k-ipxe-efi-roms.patch: old machine types reference 256k path - d/control-in: depend on ipxe-qemu-256k-compat-efi-roms to be able to handle incoming migrations from former releases. - d/control-in: Disable capstone disassembler library support (universe) - d/qemu-system-x86.README.Debian: add info about updated nesting changes - d/control*, d/rules: disable xen by default, but provide universe package qemu-system-x86-xen as alternative [includes compat links changes of 5.0-5ubuntu4] - Fix upgrade module handling (LP 1905377) --enable-module-upgrades for qemu-xen which doesn't exist in Debian * Dropped Changes [in 6.0]: - d/p/ubuntu/lp-1907789-build-no-pie-is-no-functional-liker-flag.patch: fix ld usage of -no-pie (LP 1907789) - d/p/u/lp-1916230-hw-s390x-fix-build-for-virtio-9p-ccw.patch: fix virtio-9p-ccw being missing (LP 1916230) - d/p/u/lp-1916705-disas-Fix-build-with-glib2.0-2.67.3.patch: Fix FTFBS due to glib2.0 >=2.67.3 (LP 1916705) - d/p/u/lp-1921754*: add EPYC-Rome-v2 as v1 missed IBRS and thereby fails on some HW/Guest combinations e.g. Windows 10 on Threadripper chips (LP 1921754) - d/p/u/lp-1921880*: add EPYC-Milan features and named cpu type support (LP 1921880) - d/p/u/lp-1922010-linux-user-s390x-Use-the-guest-pointer-for-the-sigre*: fix go in qemu-s390x-static (LP 1922010) * Dropped Changes [in Debian]: - Allow qemu to load old modules post upgrade (LP 1847361) - Drop d/qemu-block-extra.*.in, d/qemu-system-gui.*.in - d/rules: Drop generating package version into maintainer scripts * Dropped Changes [No more needed >21.04]: - d/qemu-system-gui.prerm: add no-op prerm to overcome upgrade issues on the bad old prerm (LP 1906245 1905377) * Added Changes - Disable fuse export (universe dependency) - d/p/ubuntu/enable-svm-by-default.patch: update to match v6.0 - d/p/ubuntu/define-ubuntu-machine-types.patch: add ubuntu machine types for v6.0 - d/p/ubuntu/lp-1929926-*: avoid segfaults by uretprobes (LP: #1929926) - Ease the use of module retention on upgrades (LP: #1913421) - d/run-qemu.mount, d/rules: provide run-qemu.mount in qemu-block-extra - d/rules: only save modules if /run/qemu isn't noexec - d/rules: clear all (current and former) modules on purge - debian/qemu-block-extra.postinst: enable mount unit on install/upgrade - d/control: qemu 6.0 broke libvirt <7.2 add a breaks to avoid partial upgrade issues (LP: #1932264) - Enable SDL as secondary UI backend (LP: #1256185) - d/control: add build dependency libsdl2-dev - d/control: enable sdl graphics on build - d/qemu-system-gui.install: add ui-sdl.so - d/control: add runtime dependency to libgl1 - d/rules: qemu-system-x86-xen builds modules as well now (follows the other packages) qemu (1:6.0+dfsg-1~exp0) experimental;
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: qemu (Ubuntu) Status: Triaged => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: ubuntu-z-systems Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Merge proposal linked: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/404247 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Merge proposal unlinked: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/404247 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Merge proposal linked: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/404247 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** No longer affects: ubuntu-power-systems -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: ubuntu-power-systems Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: ubuntu-z-systems Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
Thanks for the report, it LGMT and makes sense - although uretprobe inside of s390x emulation is super rare and therefore not urgent IMHO. I'd make this part of the qemu 6.0 (it is applied upstream after that) that I'll prep for Ubuntu 21.10 and once that is completed consider SRUs. If you are not ok with this plan of action please speak up. And to help the eventually happening SRU of this - an easy to use testcase would be very helpful. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
@IBM Please could you provide a more step-by-step test case? That would allow us to verify the package once the fix got picked up. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Also affects: qemu (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: qemu (Ubuntu Hirsute) Importance: Undecided Status: New ** Also affects: qemu (Ubuntu Groovy) Importance: Undecided Status: New ** Changed in: qemu (Ubuntu Focal) Status: New => Triaged ** Changed in: qemu (Ubuntu Groovy) Status: New => Triaged ** Changed in: qemu (Ubuntu Hirsute) Status: New => Triaged ** Changed in: qemu (Ubuntu) Status: New => Triaged ** Changed in: qemu (Ubuntu Focal) Importance: Undecided => Low ** Changed in: qemu (Ubuntu Groovy) Importance: Undecided => Low ** Changed in: qemu (Ubuntu) Importance: Undecided => Medium ** Changed in: qemu (Ubuntu Hirsute) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Changed in: ubuntu-power-systems Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) ** Changed in: qemu (Ubuntu) Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) => Canonical Server Team (canonical-server) ** Also affects: ubuntu-z-systems Importance: Undecided Status: New ** Changed in: ubuntu-z-systems Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team) ** Tags added: qemu-21.10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1929926] Re: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction
** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929926 Title: [UBUNTU 21.10] qemu: target/s390x: Fix translation exception on illegal instruction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1929926/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
