Re: CE4.2 Bluetooth crashes (data misalignement)
From: Anthony Pellerin (apellerin_nospam_at_adeneo.adetelgroup.com)
Date: 03/01/05
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Date: Tue, 1 Mar 2005 20:00:13 +0100
Thanks for the help, but I'm supposed to be up to date on QFEs (I've
installed 2003 yearly and all quarterly of 2004).
But I'll check that just to be sure...
-- ---------------------------------------------------------------- Anthony Pellerin ADENEO (ADESET) Windows Embedded Consultant <apellerin AT adeneo DOT adetelgroup DOT com> http://www.adeneo.adetelgroup.com Tél : +33 (0)4.72.18.57.77 Fax : +33 (0)4.72.18.57.78 ---------------------------------------------------------------- "Dean Ramsier" <ramsiernospam@nospam.com> a écrit dans le message de news:%233OZQdoHFHA.236@TK2MSFTNGP14.phx.gbl... > I believe there was a QFE for 4.2 that fixed a data alignment issue in > Bluetooth. Can't say whether it was this one though, you might try applying > all QFEs and see what happens. > > -- > Dean Ramsier - eMVP > > > "Anthony Pellerin" <apellerin@adeneo.adetelgroup.com> wrote in message > news:OoKxSnnHFHA.4032@TK2MSFTNGP12.phx.gbl... > > Hi, > > > > I'm working with the WindowsCE 4.2 bluetooth protocol stack on an ARM > based > > board and I've just experimented a data abort when calling the > > BthGetBasebandConnections function (located in the btdrt.cxx private > file). > > After running the code step by step, I discovered that there was a data > > misalignement issue when trying to access the baAddress field of the first > > element in the structure filled through the > > BT_IOCTL_BthGetBasebandConnections. Actually, this field is word-aligned > and > > the processor expects it to be int-aligned (changing the address to an > > int-aligned avoid the crash). > > > > Has anyone ever experienced this kind of problem? > > If this happen here, I think that this can happen elsewhere in the stack. > > Any idea on how to avoid this? > > > > Thanks a lot > > > > ---------------------------------------------------------------- > > Anthony Pellerin > > ADENEO (ADESET) > > Windows Embedded Consultant > > apellerin AT adeneo DOT adetelgroup DOT com> > > http://www.adeneo.adetelgroup.com > > Tél : +33 (0)4.72.18.57.77 > > Fax : +33 (0)4.72.18.57.78 > > ---------------------------------------------------------------- > > > > > > > > > >
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