From: Benjamin Herrenschmidt <bh40@calva.net>
To: Gavin Hemphill <hemphill@drea.dnd.ca>, <linuxppc-dev@lists.linuxppc.org>
Subject: Re: mprotect and SMP
Date: Wed, 6 Dec 2000 22:52:16 +0100 [thread overview]
Message-ID: <19341031152400.31248@192.168.1.10> (raw)
In-Reply-To: <3A2E643E.6EBA2012@drea.dnd.ca>
>(2.2.18-pre11) which uses the mprotect call to lock pages between the
>threads. If I run the test program on this machine in SMP mode, it
>fails (threads tromp on their shared memory locations). If I run in
>uni-processor mode however it works fine. It also works fine on a dual
>processor pentium using a similar version of the kernel. The question
>is... Has anyone seen this sort of behavior and are there any suggested
>places to start looking to fix it? I took a look at the gemini specific
>files to see if there were any obvious missing eieio or sync
>instructions and so far haven't seen any, but I don't have the
>experience to know where else I should be looking.
Can you get the latest bitkeeper _2_2 tree or paulus latest rsync
tree and see if it still happens ?
Ben.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-12-06 21:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-06 16:08 mprotect and SMP Gavin Hemphill
2000-12-06 21:52 ` Benjamin Herrenschmidt [this message]
2000-12-07 12:29 ` Gavin Hemphill
2000-12-07 13:15 ` Benjamin Herrenschmidt
2001-01-03 1:35 ` Gavin Hemphill
2000-12-07 17:16 ` Gavin Hemphill
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