[Bug 1274723] Re: go programs operate in "32-bit" allocation mode

Michael Hudson-Doyle michael.hudson+lp at canonical.com
Fri Feb 21 03:59:18 UTC 2014


Fwiw, with the patch Ian just committed to GCC trunk, this patch (or
rather, the version of it for gccgo 4.9) is much less interesting
On 19 Feb 2014 13:25, "Ubuntu Foundations Team Bug Bot" <
1274723 at bugs.launchpad.net> wrote:

> The attachment "arm64-go-heap-location.diff" seems to be a patch.  If it
> isn't, please remove the "patch" flag from the attachment, remove the
> "patch" tag, and if you are a member of the ~ubuntu-reviewers,
> unsubscribe the team.
>
> [This is an automated message performed by a Launchpad user owned by
> ~brian-murray, for any issues please contact him.]
>
> ** Tags added: patch
>
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> https://bugs.launchpad.net/bugs/1274723
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> Title:
>   go programs operate in "32-bit" allocation mode
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https://bugs.launchpad.net/bugs/1274723

Title:
  go programs operate in "32-bit" allocation mode

Status in “gcc-4.8” package in Ubuntu:
  Confirmed

Bug description:
  I am having long and interesting conversations with upstream about how
  to fix this properly, but we also need a fix in time for trusty.  The
  symptoms of this problem is that programs occasionally die with
  messages like:

  runtime: memory allocated by OS (0x7f67005000) not in usable range
  [0x8b00000,0x88b00000)

  I think the fix is just changing malloc.goc to put the heap at an
  address that is available to user space processes on linux aarch64.

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