From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: "Steven A. Falco" <sfalco@domain.hid>
Cc: xenomai-help <xenomai@xenomai.org>
Subject: Re: [Xenomai-help] BUG: Bad page map
Date: Mon, 08 Mar 2010 21:32:36 +0100 [thread overview]
Message-ID: <4B955EE4.9030204@domain.hid> (raw)
In-Reply-To: <4B955D71.5050306@domain.hid>
Steven A. Falco wrote:
> Steven A. Falco wrote:
>> I'm beginning to write an RTDM driver for a custom PCI
>> device. The plan is to map the device registers into
>> user space, and deal with all the details in a Xenomai
>> process. However, I ran into crashes trying to access
>> the device's memory from user space (via mmap in the RTDM
>> driver).
>
> Turns out to behave the same without IPIPE/Xenomai. I'll
> repost on the ppc dev list.
ISTR it is a known issue, and has been fixed. If that is the case,
latest I-pipes (such as 2.6.30.3-powerpc-DENX-2.7-06), should contain a
fix. Please give it a try.
--
Gilles.
next prev parent reply other threads:[~2010-03-08 20:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-08 19:42 [Xenomai-help] BUG: Bad page map Steven A. Falco
2010-03-08 20:26 ` Steven A. Falco
2010-03-08 20:32 ` Gilles Chanteperdrix [this message]
2010-03-08 23:23 ` Gilles Chanteperdrix
2010-03-09 14:11 ` Steven A. Falco
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