From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by oss.sgi.com (8.11.3/8.11.3) id f54KMdM00593 for linux-mips-outgoing; Mon, 4 Jun 2001 13:22:39 -0700 Received: from mail.palmchip.com ([63.203.52.8]) by oss.sgi.com (8.11.3/8.11.3) with SMTP id f54KMch00589 for ; Mon, 4 Jun 2001 13:22:38 -0700 Received: from palmchip.com (sabretooth.palmchip.com [10.1.10.110]) by mail.palmchip.com (8.11.0/8.9.3) with ESMTP id f54KMVc06899; Mon, 4 Jun 2001 13:22:31 -0700 Message-ID: <3B1BEF48.AB0E568C@palmchip.com> Date: Mon, 04 Jun 2001 13:27:52 -0700 From: Ian Thompson Organization: Palmchip Corporation X-Mailer: Mozilla 4.7 [en] (WinNT; I) X-Accept-Language: en MIME-Version: 1.0 To: "Kevin D. Kissell" CC: linux-mips@oss.sgi.com Subject: Re: dcache_blast() bug? References: <3B1BC6B8.C58758FA@palmchip.com> <02a901c0ed2b$2eac6300$0deca8c0@Ulysses> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mips@oss.sgi.com Precedence: bulk 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" > To: > 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