** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => bugproxy (bugproxy)
--
You received this bug notification because you are a member of OpenJDK,
which is subscribed to openjdk-lts in Ubuntu.
https://bugs.launchpad.net/bugs/2109016
Title:
openjdk regressions on s390x with hardware-accelerated
compress/decompress
Status in Ubuntu on IBM z Systems:
New
Status in openjdk-17 package in Ubuntu:
New
Status in openjdk-21 package in Ubuntu:
New
Status in openjdk-24 package in Ubuntu:
New
Status in openjdk-lts package in Ubuntu:
New
Bug description:
While building the April 2025 OpenJDK security updates, various JTREG
(regression) tests that use zlib have failed. The failures are
consistent and most probably related to hardware-accelerated
compression using zEDC on s390x.
The following failures have been observed with openjdk-* packages:
FAILED: java/util/zip/ZipFile/CopyJar.java
FAILED: java/util/zip/CloseInflaterDeflaterTest.java
FAILED: tools/pack200/PackTestZip64.java
FAILED: tools/jmod/hashes/HashesTest.java
FAILED: sun/security/tools/jarsigner/PreserveRawManifestEntryAndDigest.java
FAILED: java/util/zip/DeInflate.java
FAILED: java/util/zip/CloseInflaterDeflaterTest.java
FAILED: tools/jlink/JLinkReproducibleTest.java
FAILED: java/util/zip/CloseInflaterDeflaterTest.java
FAILED: tools/jlink/JLinkReproducibleTest.java
FAILED: tools/jar/modularJar/JarToolModuleDescriptorReproducibilityTest.java
I confirm that all of these tests pass with environment variable
DFLTCC=0, which disables hardware-accelerated compression. This in
turn points to an issue with hardware-acceleration on s390x.
Last month, I noted a similar failure in the Java's TCK test-suite
[1].
[1] https://bugs.launchpad.net/ubuntu/+source/zlib/+bug/2100767
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/2109016/+subscriptions
_______________________________________________
Mailing list: https://launchpad.net/~openjdk
Post to : openjdk@lists.launchpad.net
Unsubscribe : https://launchpad.net/~openjdk
More help : https://help.launchpad.net/ListHelp
