[aarch64-port-dev ] discussion: two possible 8u backport patches

[Yangfei (Felix)]

Hi,

  Thanks for the comments.  That makes sense to me. 
  I will post a separate 8u RFR mail if there's no different opinions. 

Felix

> -----Original Message-----
> From: Hohensee, Paul [mailto:hohensee at amazon.com]
> Sent: Friday, April 9, 2021 6:07 AM
> To: Yangfei (Felix) <felix.yang at huawei.com>; aarch64-port-
> dev at openjdk.java.net
> Cc: jdk8u-dev at openjdk.java.net
> Subject: RE: [aarch64-port-dev ] discussion: two possible 8u backport patches
> 
> Imo failing tests in 8u should be fixed, especially in debug versions because
> those are the ones we depend on for, e.g., nightly testing. So, I'm in favor of
> backporting these to 8u. Initial discussion is appropriate for jdk8u-dev, so
> cross-posting there.
> 
> Thanks,
> Paul
> 
> -----Original Message-----
> From: aarch64-port-dev <aarch64-port-dev-retn at openjdk.java.net> on
> behalf of "Yangfei (Felix)" <felix.yang at huawei.com>
> Date: Wednesday, March 31, 2021 at 12:31 AM
> To: "aarch64-port-dev at openjdk.java.net" <aarch64-port-
> dev at openjdk.java.net>
> Subject: [aarch64-port-dev ] discussion: two possible 8u backport patches
> 
> Hi,
> 
> When running 8u jtreg hotspot test with -XX:+VerifyOops using fastdebug
> build, I find issue [1] was triggered for more than 200 test cases.
> And I am expecting more triggering of issue [1] with fix for issue [2] without
> which we may miss verifying some oops.
> As these two issues only affects debug version, I am not quite sure if they
> are valid candidates for 8u backporting.
> Since they are aarch64-specific, so I send here for some initial discussion
> before posting on jdk8u-dev mailing list.
> Personally, I am inclined to think that we should have them in 8u.  This will
> ensure/improve testing effectiveness for 8u aarch64.
> We are continuously carrying out building and testing for aarch64 fastdebug
> build internally.
> 
> 8247350 : [aarch64] assert(false) failed: wrong size of mach node
> 8260029 : aarch64: fix typo in verify_oop_array
> 
> 1. https://bugs.openjdk.java.net/browse/JDK-8247350
> 2. https://bugs.openjdk.java.net/browse/JDK-8260029
> 
> Thanks,
> Felix