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Re: dcache_blast() bug?

To: "Kevin D. Kissell" <kevink@mips.com>
Subject: Re: dcache_blast() bug?
From: Ian Thompson <iant@palmchip.com>
Date: Mon, 04 Jun 2001 13:27:52 -0700
Cc: linux-mips@oss.sgi.com
Organization: Palmchip Corporation
References: <3B1BC6B8.C58758FA@palmchip.com> <02a901c0ed2b$2eac6300$0deca8c0@Ulysses>
Sender: owner-linux-mips@oss.sgi.com
oops sorry i meant to mention that.  running a mips 4kc.



"Kevin D. Kissell" wrote:
> 
> What processor are you running?
> 
>             Kevin K.
> 
> ----- Original Message -----
> From: "Ian Thompson" <iant@palmchip.com>
> To: <linux-mips@oss.sgi.com>
> Sent: Monday, June 04, 2001 7:34 PM
> Subject: dcache_blast() bug?
> 
> >
> > Hi all,
> >
> > I'm seeing some odd memory behavior around the time when blast_dcache()
> > is called, leading me to think that the method may be a little buggy.
> > It appears that memory is being corrupted (consistently so) over the
> > course of flushing the dcache.  This happens to my command line argument
> > string - arcs_cmdline.  Before the blast_dcache() call, it is
> > "console=ttyS0 ramdisk_start=0x9fcf0000 load_ramdisk=1", and after the
> > call, the corrupted data is "ttyS0 ra0".  I take it this isn't supposed
> > to happen?  any ideas of why the writeback_invalidate_d cache operation
> > may be losing data?
> >
> > thanks,
> > -ian
> >
> >
> > --
> > ----------------------------------------
> > Ian Thompson           tel: 408.952.2023
> > Firmware Engineer      fax: 408.570.0910
> > Palmchip Corporation   www.palmchip.com

-- 
----------------------------------------
Ian Thompson           tel: 408.952.2023
Firmware Engineer      fax: 408.570.0910
Palmchip Corporation   www.palmchip.com

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