From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xavier Bru Date: Wed, 27 Nov 2002 16:22:04 +0000 Subject: Re: [Linux-ia64] 2.5.45 with CONFIG_NUMA=y Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-ia64@vger.kernel.org Hi Jesse Thanks a lot for your answers. Jesse Barnes writes: > On Tue, Nov 26, 2002 at 06:54:36PM +0100, Xavier Bru wrote: > >=20 > > Hi, > >=20 > > Booting the 2.5.45 kernel on our numa platform, we hit 2 problems: > >=20 > > . Current settings for DIG are : 512MB/bank, 16GB/node,(mmzone.h) but= our > > platform can support 64 GB/node (Even with less memory, bios maps > > each node memory modulo 64GB).=20 > > As it has been cleanly coded :-), we just changed DIG_BANKSHIFT to 31 = > > (2GB banks) and system runs.=20 > > Should these values bee incremented in the future ? >=20 > Maybe that should be an option for the kernel configuration system? This should be OK for us. >=20 > > . We can't get X11 working (Xserver loops in user mode). Note that=20 > > it works OK with 2.5.45 without DISCONTIG_MEM set. Having a look to the > > mappings in /proc/ and the XFree86 log, we saw no difference. Any idea= =20 > > ? >=20 > Does X initialize your card correctly? I know that scanning /dev/mem > for video cards (which is what XFree86 does, IIRC) can be problematic on > some platforms... Seems that we use the VGA mode through /dev/mem (No driver is actually=20 loaded).=20 Are there some known problems with /dev/mem and DISCONTIG_MEM ?=20 Do you think we should have more chances validating Frame buffer support an= d the card driver ? (I think platform has no AGP support). >=20 > Jesse Thanks again. Xavier --=20 Sinc=E8res salutations. _____________________________________________________________________ =20 Xavier BRU BULL ISD/R&D/INTEL office: FREC B1-422 tel : +33 (0)4 76 29 77 45 http://www-frec.bull.fr fax : +33 (0)4 76 29 77 70 mailto:Xavier.Bru@bull.net addr: BULL, 1 rue de Provence, BP 208, 38432 Echirolles Cedex, FRANCE _____________________________________________________________________