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Re: [Libunwind-devel] Problems with compiling libunwind on Ubuntu 10.04
From: |
Arun Sharma |
Subject: |
Re: [Libunwind-devel] Problems with compiling libunwind on Ubuntu 10.04 |
Date: |
Wed, 10 Aug 2011 19:54:39 -0700 |
On Wed, Aug 10, 2011 at 7:47 PM, Theodore Ts'o <address@hidden> wrote:
> ===========================================
> 5 of 29 tests failed
> Please report to address@hidden
> ===========================================
>[..]
> Does this ring a bell? Is there anything I should try? This is with
> the latest git checkout of libunwind.
>
These are known failures (functionality not implemented on x86_64
yet). But it shouldn't impact the common use cases (local unwinding).
The larger issue libunwind faces is due to APIs that call malloc or
ones which take locks:
* dl_iterate_phdr
* pthread_setspecific
The latter is easy to work around. The former requires a lock free,
malloc free implementation of dl_iterate_phdr.
-Arun