[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

This bug was fixed in the package gdb - 7.11.90.20161005-0ubuntu2 --- gdb (7.11.90.20161005-0ubuntu2) yakkety; urgency=medium * Add debian/patches/armhf-fpregset.patch. LP: #1645501. -- Brian Murray Wed, 18 Jan 2017 12:41:08 -0800 ** Changed in: gdb (Ubuntu

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

Setting up gdb (7.11.90.20161005-0ubuntu2) ... (yakkety-armhf)brian@rugby:~$ gdb --args cat GNU gdb (Ubuntu 7.11.90.20161005-0ubuntu2) 7.11.90.20161005-git Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

Hello Brian, or anyone else affected, Accepted gdb into yakkety-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gdb/7.11.90.20161005-0ubuntu2 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

This was merged upstream: https://sourceware.org/git/gitweb.cgi?p=binutils- gdb.git;a=commit;h=4bd2e1b2aee122b46e335d932f7833f9c86610d0 ** Description changed: Impact -- Its not possible to create a corefile in an armhf chroot on an arm64 system. Test Case - - On an

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

There is some discussion going on upstream regarding how to solve this, after that's sorted I'll redo the zesty patch and upload SRUs for this. ** Changed in: gdb (Ubuntu Trusty) Assignee: (unassigned) => Brian Murray (brian-murray) ** Changed in: gdb (Ubuntu Xenial) Assignee:

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

This bug was fixed in the package gdb - 7.12-0ubuntu3 --- gdb (7.12-0ubuntu3) zesty; urgency=medium * Add debian/patches/armhf-fpregset.patch. LP: #1645501. -- Kees Cook Tue, 29 Nov 2016 15:30:20 -0800 ** Changed in: gdb (Ubuntu) Status: Triaged => Fix

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

** Changed in: gdb (Ubuntu Precise) Status: Triaged => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gdb in Ubuntu. https://bugs.launchpad.net/bugs/1645501 Title: corefiles not created in armhf chroot on

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

** Description changed: - I'm filing this about gdb per Steve's suggestion, although this could be - an issue somewhere else. + Impact + -- + Its not possible to create a corefile in an armhf chroot on an arm64 system. + + Test Case + - + On an arm64 system enter an armhf chroot,

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

** Changed in: gdb (Ubuntu) Assignee: (unassigned) => Brian Murray (brian-murray) ** Also affects: gdb (Ubuntu Yakkety) Importance: Undecided Status: New ** Also affects: gdb (Ubuntu Precise) Importance: Undecided Status: New ** Also affects: gdb (Ubuntu Trusty)

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

** Tags added: patch -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gdb in Ubuntu. https://bugs.launchpad.net/bugs/1645501 Title: corefiles not created in armhf chroot on arm64 porter Status in gdb package in Ubuntu:

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

Kees provided me the following debdiffs for testing on zesty and yakkety armhf chroots. ** Patch added: "gdb_7.12-0ubuntu3.debdiff" https://bugs.launchpad.net/ubuntu/+source/gdb/+bug/1645501/+attachment/4785470/+files/gdb_7.12-0ubuntu3.debdiff -- You received this bug notification because

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

** Patch added: "gdb_7.11.90.20161005-0ubuntu1.1.debdiff" https://bugs.launchpad.net/ubuntu/+source/gdb/+bug/1645501/+attachment/4785471/+files/gdb_7.11.90.20161005-0ubuntu1.1.debdiff -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

I couldn't build the zesty debdiff on the arm64 porter box due to not being able to install the dependencies to build it. I did get the yakkety one to build and then extracted the package contents and used gdb from there. I was then able to create core files with this new gdb. GNU gdb (Ubuntu

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

ptrace(PTRACE_GETREGSET, 27642, NT_FPREGSET, 0xffcc67f0) = -1 EINVAL (Invalid argument) NT_FPREGSET is "2", which the kernel calls NT_PRFPREG. arm64 kernels don't implement this for compat processes, they only support NT_ARM_VFP. If I understand correctly, VFP is hard float, so it seems like

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

The issue also occurs in a zesty chroot: brian@rugby:~$ schroot -c zesty-armhf (zesty-armhf)brian@rugby:~$ sudo apt-get install screen sudo: main: unable to allocate memory (zesty-armhf)brian@rugby:~$ gdb GNU gdb (Ubuntu 7.12-0ubuntu2) 7.12 Copyright (C) 2016 Free Software Foundation, Inc.

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

Manually running cat in gdb and executing the same commands as found in generate-sigsegv-crash.py had the following results: (yakkety-armhf)brian@rugby:~$ gdb --args cat GNU gdb (Ubuntu 7.11.90.20161005-0ubuntu1) 7.11.90.20161005-git Copyright (C) 2016 Free Software Foundation, Inc. License

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

I thought this might be https://bugzilla.redhat.com/show_bug.cgi?id=1196181 but we seem to have the related patches in yakkety. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gdb in Ubuntu.

[Touch-packages] [Bug 1645501] Re: corefiles not created in armhf chroot on arm64 porter

I was using the following version of gdb in both chroots: GNU gdb (Ubuntu 7.11.90.20161005-0ubuntu1) 7.11.90.20161005-git -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gdb in Ubuntu. https://bugs.launchpad.net/bugs/1645501