>From mwhudson: we don't use gccgo on arm64 any more.
** Changed in: juju-core (Ubuntu)
Status: Triaged => Invalid
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Title:
[arm64] gccgo
** Branch linked: lp:ubuntu/trusty-proposed/gccgo-4.9
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Title:
[arm64] gccgo runtime crashes with CONFIG_ARM64_PGTABLE_LEVELS=4
To manage notific
Marking as impacting juju-core/trusty. This is easily reproduced by
attempting to bootstrap a juju-local environment in trusty with juju-
core 1.24.7-0ubuntu1~14.04.1 when using a kernel w/ 4 level page tables.
This will be a supported config once the xenial-lts kernel is available
in trusty.
A no
This bug was fixed in the package gccgo-4.9 - 4.9.3-0ubuntu4
---
gccgo-4.9 (4.9.3-0ubuntu4) trusty-proposed; urgency=medium
* Upload the final GCC 4.9.3 release.
* Merge changes from gcc-4.9 4.9.3-2ubuntu1, including:
- Fix PR go/60931, garbage collector issue with non 4kB sys
Verified:
ubuntu@cvm2s:~$ juju help
p=0xa6947000
fatal error: runtime_lfstackpush: invalid pointer
runtime stack:
:0
:0
:0
:0
:0
:0
:0
:0
:0
:0
goroutine 1 [garbage collection]:
github.com_juju_cmd.Defa
Hello dann, or anyone else affected,
Accepted gccgo-4.9 into trusty-proposed. The package will build now and
be available at
https://launchpad.net/ubuntu/+source/gccgo-4.9/4.9.3-0ubuntu4 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
https:/
This bug was fixed in the package gccgo-5 - 5.1~rc1-0ubuntu1.1
---
gccgo-5 (5.1~rc1-0ubuntu1.1) vivid; urgency=medium
* libgo: Fix PR go/67508, rewrite lfstack packing/unpacking to look more
like that in Go (Michael Hudson). LP: #1472650.
-- dann frazier Wed, 16 Sep 2015 13:
= vivid verification =
# My kernel has the problematic config
ubuntu@cvm1:~$ grep CONFIG_ARM64_PGTABLE_LEVELS /boot/config-$(uname -r)
CONFIG_ARM64_PGTABLE_LEVELS=4
# Build a clean vivid chroot
ubuntu@cvm1:~$ mkdir lp1472650
ubuntu@cvm1:~$ sudo debootstrap --components 'main,universe' --include
** Branch linked: lp:ubuntu/vivid-proposed/gccgo-5
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Title:
[arm64] gccgo runtime crashes with CONFIG_ARM64_PGTABLE_LEVELS=4
To manage notificati
Hello dann, or anyone else affected,
Accepted gccgo-5 into vivid-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/gccgo-5/5.1~rc1-0ubuntu1.1 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://
** Description changed:
- lxd 0.12-0ubuntu2
- libgo7/5.1.1-12ubuntu1
+ [Impact]
+ Various go-based packages crash on startup on arm64 when booted with a kernel
where CONFIG_ARM64_PGTABLE_LEVELS=4. LXD, docker and juju are examples.
- Jul 08 00:11:16 vital-beggar systemd[1]: Starting Container
** Changed in: gccgo-4.9 (Ubuntu Vivid)
Status: New => In Progress
** Changed in: gccgo-4.9 (Ubuntu Trusty)
Status: Confirmed => Invalid
** Changed in: gccgo-4.9 (Ubuntu Trusty)
Status: Invalid => In Progress
** Changed in: gccgo-4.9 (Ubuntu Vivid)
Status: In Progress
Here's a patch for trusty, based on the gccgo-4.9 from ~ubuntu-
toolchain-r/+archive/ubuntu/ppa:
http://people.canonical.com/~mwh/gccgo-4.9_4.9.3-0ubuntu3_4.9.3-0ubuntu4.diff
(not tested yet).
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Oh yes, and dann and I confirmed yesterday that the bug is no longer
present in wily.
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Title:
[arm64] gccgo runtime crashes with CONFIG_ARM64_PGT
This bug was fixed in the package gcc-5 - 5.2.1-17ubuntu1
---
gcc-5 (5.2.1-17ubuntu1) wily; urgency=medium
* Merge with Debian; remaining changes:
- Build from upstream sources.
-- Matthias Klose Fri, 11 Sep 2015 03:24:48 +0200
** Changed in: gcc-5 (Ubuntu)
Status: N
** Also affects: gcc via
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67508
Importance: Unknown
Status: Unknown
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Title:
[arm64] gccg
Filed upstream as https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67508
** Bug watch added: GCC Bugzilla #67508
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67508
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The fix I've sent upstream is https://go-
review.googlesource.com/#/c/13037/. It hasn't been reviewed yet, but
I've confirmed it works to my own satisfaction on arm64.
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** No longer affects: gccgo-5 (Ubuntu Trusty)
** Also affects: gcc-5 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: gccgo-5 (Ubuntu Wily)
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** No longer affects: gcc-4.8 (Ubuntu Trusty)
** No longer affects: gcc-4.8 (Ubuntu Wily)
** No longer affects: gcc-4.8 (Ubuntu Vivid)
** No longer affects: gcc-4.9 (Ubuntu Trusty)
** No longer affects: gcc-4.9 (Ubuntu Vivid)
** No longer affects: gcc-4.9 (Ubuntu Wily)
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** Also affects: gccgo-4.9 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: gcc-4.8 (Ubuntu)
** No longer affects: gcc-4.9 (Ubuntu)
** Changed in: gccgo-4.9 (Ubuntu Trusty)
Status: New => Confirmed
** Also affects: gccgo-5 (Ubuntu)
Importance: Undecided
** Also affects: gcc-4.8 (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: gcc-4.9 (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: gcc-4.8 (Ubuntu Wily)
Importance: Undecided
Status: Confirmed
** Also affects: gcc-4.9 (Ubuntu Wily
** Summary changed:
- [arm64] lxd crashes on startup
+ [arm64] gccgo runtime crashes with CONFIG_ARM64_PGTABLE_LEVELS=4
** Package changed: lxd (Ubuntu) => gcc-4.9 (Ubuntu)
** Changed in: gcc-4.9 (Ubuntu)
Status: New => Confirmed
** Also affects: gcc-4.8 (Ubuntu)
Importance: Undecided
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