[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Launchpad Bug Tracker]

This bug was fixed in the package apport - 2.20.5-0ubuntu3

---
apport (2.20.5-0ubuntu3) artful; urgency=medium

  * Revert change to test/test_crash_digger.py to use the source's
crash-digger.

 -- Brian Murray   Mon, 15 May 2017 16:00:06 -0700

** Changed in: apport (Ubuntu)
   Status: Triaged => Fix Released

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Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Fix Released
Status in apport package in Ubuntu:
  Fix Released

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Brian Murray]

** Changed in: apport (Ubuntu)
Milestone: ubuntu-17.01 => ubuntu-17.05

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Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Fix Released
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Brian Murray]

** Changed in: apport
   Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1517257

Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Fix Released
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Brian Murray]

** Changed in: apport
 Assignee: (unassigned) => Brian Murray (brian-murray)

** Changed in: apport
   Status: Triaged => In Progress

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Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  In Progress
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Launchpad Bug Tracker]

** Branch linked: lp:~brian-murray/apport/sandbox-gdb

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https://bugs.launchpad.net/bugs/1517257

Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Brian Murray]

** Changed in: apport (Ubuntu)
Milestone: None => ubuntu-17.01

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https://bugs.launchpad.net/bugs/1517257

Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Brian Murray]

LD_LIBRARY_PATH=/path/to/native/sandbox/lib/$(native_multiarch):/path/to/native/sandbox/lib/:/path/to/native/sandbox/usr/lib/$(native_multiarch):/path/to/native/sandbox/usr/path/to/native/sandbox/lib64
/ld-linux-x86-64.so.2 /path/to/native/sandbox/usr/bin/gdb-multiarch
[options]

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https://bugs.launchpad.net/bugs/1517257

Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Martin Pitt]

... and change the original patch to only install gdb into the sandbox
if it matches the host architecture, as otherwise it'd be a waste.

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https://bugs.launchpad.net/bugs/1517257

Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
https://bugs.launchpad.net/apport/+bug/1517257/+subscriptions

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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Brian Murray]

** Changed in: apport (Ubuntu)
 Assignee: (unassigned) => Brian Murray (brian-murray)

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1517257

Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
https://bugs.launchpad.net/apport/+bug/1517257/+subscriptions

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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Martin Pitt]

Idea from sprint discussion:

In apport:
 - Don't try to run gdb from the retracing target sandbox

 - Add --gdb-root  argument to apport-retrace that will set PATH,
LD_LIBRARY_PATH, and possibly some env var to specify the gdb plugin dir
to appropriate subdirs of . Calling "gdb" should then prefer
running gdb from that dir.

In the retracer deployment:
 - add --gdb-root on the sandbox with the same release but the host's native 
architecture
 - Ensure that gdb is installed in that

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https://bugs.launchpad.net/bugs/1517257

Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Martin Pitt]

> some env var to specify the gdb plugin dir

That seems to be it:
(gdb) show data-directory 
GDB's data directory is "/usr/share/gdb".

so we can add that to the gdb invocation (gdb_cmd in add_gdb_info()).

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Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Martin Pitt]

I reverted http://bazaar.launchpad.net/~apport-
hackers/apport/trunk/revision/3076 in http://bazaar.launchpad.net
/~apport-hackers/apport/trunk/revision/3080.

This cannot work like this as we need a gdb command which  can actually
run on the host. This is not the case when processing crashes from
foreign architectures. This is already breaking with an i386 sandbox on
amd64:

$ file /tmp/si386/usr/bin/gdb
/tmp/si386/usr/bin/gdb: ELF 32-bit LSB executable, Intel 80386, version 1 
(SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 
2.6.32, BuildID[sha1]=4797df5acda65947a8d421d67e9bc772986ca5ba, stripped

$ ldd /tmp/si386/usr/bin/gdb
not a dynamic executable
$ /tmp/si386/usr/bin/gdb
bash: /tmp/si386/usr/bin/gdb: not found

This could be made to work with some multi-arch magic on the host, but
it will break completely when trying to retrace armhf or ppc reports.

So we'd need to download the apt indexes twice: once for the target arch
and downloading the debs/ddebs, and another time for downloading gdb and
gdb-multiarch for the host architecture. This is prohibitively expensive
when doing it every time, so we need to add a lot of local caching for
that. This is also a lot of work, I'm afraid.

** Changed in: apport
   Importance: Undecided => Wishlist

** Changed in: apport
   Status: Fix Released => Triaged

** Changed in: apport (Ubuntu)
   Status: Fix Committed => Triaged

** Changed in: apport (Ubuntu)
 Assignee: Martin Pitt (pitti) => (unassigned)

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Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Martin Pitt]

Some preparation to avoid installing gdb-dbg: 
http://bazaar.launchpad.net/~apport-hackers/apport/trunk/revision/3075
Fix: http://bazaar.launchpad.net/~apport-hackers/apport/trunk/revision/3076

** Changed in: apport
   Status: New => Fix Released

** Changed in: apport (Ubuntu)
   Status: Triaged => Fix Committed

** Changed in: apport (Ubuntu)
 Assignee: (unassigned) => Martin Pitt (pitti)

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Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Fix Released
Status in apport package in Ubuntu:
  Fix Committed

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
https://bugs.launchpad.net/apport/+bug/1517257/+subscriptions

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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Launchpad Bug Tracker]

** Branch linked: lp:apport

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https://bugs.launchpad.net/bugs/1517257

Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  Fix Released
Status in apport package in Ubuntu:
  Fix Committed

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1517257] Re: apport-retrace should install and use gdb for target release

[Brian Murray]

This is a xenial crash retraced on precise with the precise version of
gdb:

https://errors.ubuntu.com/problem/46cdc799549ce925789dda64598d44de62337f13

The same crash retraced in xenial produced the following results:

http://pastebin.ubuntu.com/13300108/

Notice how the backtrace is much more informative.

** Changed in: apport (Ubuntu)
   Status: New => Triaged

** Changed in: apport (Ubuntu)
   Importance: Undecided => Medium

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Title:
  apport-retrace should install and use gdb for target release

Status in Apport:
  New
Status in apport package in Ubuntu:
  Triaged

Bug description:
  apport-retrace will use the version of gdb installed on the system
  performing the retrace. This can cause issues retracing crash reports
  from releases that have a newer toolchain revision than the system
  performing the retrace. Subsequently, it would be better if apport-
  retrace were to install gdb into the sandbox being used for retracing
  and used that version of gdb for analyzing the core dump.

To manage notifications about this bug go to:
https://bugs.launchpad.net/apport/+bug/1517257/+subscriptions

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