[Bug 1927192] Re: gdb ftbfs on armhf, testsuite timeouts

[Brian Murray]

The version of gdb in focal-proposed built fine with the tests enabled
and the timeouts in the buildlog were not an issue.

[  3:25PM 11723 ]  [ bdmurray at impulse:/tmp ]
 $ cat buildlog_ubuntu-focal-armhf.gdb_9.2-0ubuntu1\~20.04.1_BUILDING.txt | fgrep '(timeout)'|wc -l                                        9

I don't know what doko's plans are for the upload in the focal-proposed
so won't comment on the block-proposed question.

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https://bugs.launchpad.net/bugs/1927192

Title:
  gdb ftbfs on armhf, testsuite timeouts

Status in gdb:
  Incomplete
Status in gdb package in Ubuntu:
  Fix Released
Status in glibc package in Ubuntu:
  Fix Released
Status in gdb source package in Focal:
  Fix Committed
Status in glibc source package in Focal:
  Fix Committed
Status in gdb source package in Groovy:
  Won't Fix
Status in glibc source package in Groovy:
  Won't Fix
Status in gdb source package in Hirsute:
  Won't Fix
Status in glibc source package in Hirsute:
  Won't Fix
Status in gdb source package in Impish:
  Fix Released
Status in glibc source package in Impish:
  Fix Released

Bug description:
  [Impact]

  * Gdb can't set some breakpoints in ld.so on armhf when libc6-dbg is
  not installed.

  [Test Plan]

  * Check that ld.so is not stripped on armhf:
  $  /lib/*/ld-2.31.so
  libc6/lib/arm-linux-gnueabihf/ld-2.31.so: ELF 32-bit LSB shared object, ARM, EABI5 version 1 (SYSV), dynamically linked, BuildID[sha1]=e20a43bff0c4d2aa7f508c93eadad973ea0c0af9, with debug_info, not stripped

  * Check that ld.so is stripped on amd64:

  $ file /lib/x86_64-linux-gnu/ld-2.31.so
  /lib/x86_64-linux-gnu/ld-2.31.so: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=ea85fcb25ee4c4c9e7b180924ab4a44257a9547a, stripped

  [Where problems could occur]

  * The fix is not stripping ld.so on armhf. Not stripping it comes with
  a notable increase in file size and it may be performance critical
  109K stripped vs 1.3M unstripped. Accidentally ld.so could be left
  unstripped on other architectures, but the test plan covers checking
  that, at least on amd64. Other than those not stripping ld.so should
  not cause any issue.

  [Original Bug Text]

  see https://launchpad.net/ubuntu/+source/gdb/10.2-0ubuntu3

  $ zcat buildlog_ubuntu-impish-armhf.gdb_10.2-0ubuntu3_BUILDING.txt.gz | fgrep '(timeout)'|wc -l
  10451

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