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Re: Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs

To: MARK CALLAGHAN <mdcallag@xxxxxxxxx>
From: Kristian Nielsen <knielsen@xxxxxxxxxxxxxxx>
Date: Wed, 27 May 2015 08:31:58 +0200
Cc: MariaDB Developers <maria-developers@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <CAFbpF8PhEaBiZiOT2Z9dtwFVusUztTkPL5wEZB4D94PGEjouyQ@mail.gmail.com> (MARK CALLAGHAN's message of "Tue, 26 May 2015 09:25:07 -0700")
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux)

MARK CALLAGHAN <mdcallag@xxxxxxxxx> writes:

> What about ARM which has a much weaker memory model compared to x86?

Yes. There is in fact a bug about it:

  https://mariadb.atlassian.net/browse/MDEV-7658

 - Kristian.

References

Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs
From: Kristian Nielsen, 2014-11-06
Re: Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs
From: MARK CALLAGHAN, 2015-05-20
Re: Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs
From: Kristian Nielsen, 2015-05-21
Re: Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs
From: Stewart Smith, 2015-05-22
Re: Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs
From: Kristian Nielsen, 2015-05-23
Re: Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs
From: MARK CALLAGHAN, 2015-05-26