[Bug 2058466] Re: glibc 2.39 test failure on ppc64el: elf/tst-decorate-maps

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On 2024-03-25T13:19:39+00:00 Simon Chopin wrote:

Using the Ubuntu kernels (e.g. 6.5.0-26-generic from Mantic, but also
the ones in the upcoming Noble), the glibc test suite fails on

FAIL: elf/tst-decorate-maps
original exit status 1
error: tst-decorate-maps.c:152: not true: r.n_loader_malloc_mmap >= 1
error: tst-decorate-maps.c:167: not true: r.n_loader_malloc_mmap >= 1
error: tst-decorate-maps.c:152: not true: r.n_loader_malloc_mmap >= 1
error: tst-decorate-maps.c:167: not true: r.n_loader_malloc_mmap >= 1
error: 4 test failures

Tested on upstream master branch (as of dc1a77269c "htl: Implement some
support for TLS_DTV_AT_TP"), release/2.39/master, as well as the Ubuntu
package.

I couldn't see anything particularly relevant in the system logs.

(assigning to malloc component since this seems to be primarily about
allocations)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/2058466/comments/2

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On 2024-03-25T13:27:43+00:00 Andreas Schwab wrote:

Does the kernel use 64k pages?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/2058466/comments/3

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On 2024-03-25T14:02:09+00:00 Simon Chopin wrote:

(In reply to Andreas Schwab from comment #1)
> Does the kernel use 64k pages?

$ getconf PAGESIZE
65536

I guess it does.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/2058466/comments/4


** Changed in: glibc
       Status: Unknown => New

** Changed in: glibc
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/2058466

Title:
  glibc 2.39 test failure on ppc64el: elf/tst-decorate-maps

Status in GLibC:
  New
Status in glibc package in Ubuntu:
  New

Bug description:
  This test fails on Noble/ppc64el

  3775s FAIL: elf/tst-decorate-maps
  3775s original exit status 1
  3775s error: tst-decorate-maps.c:152: not true: r.n_loader_malloc_mmap >= 1
  3775s error: tst-decorate-maps.c:167: not true: r.n_loader_malloc_mmap >= 1
  3775s error: tst-decorate-maps.c:152: not true: r.n_loader_malloc_mmap >= 1
  3775s error: tst-decorate-maps.c:167: not true: r.n_loader_malloc_mmap >= 1
  3775s error: 4 test failures

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