*BSD News Article 46802


Return to BSD News archive

Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!lll-winken.llnl.gov!uwm.edu!news.moneng.mei.com!news.ecn.bgu.edu!vixen.cso.uiuc.edu!howland.reston.ans.net!Germany.EU.net!nntp.gmd.de!news.rwth-aachen.de!news.rhrz.uni-bonn.de!RRZ.Uni-Koeln.DE!se
From: se@MI.Uni-Koeln.DE (Stefan Esser)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: de0 fails - Can't fix iomem with UserConfig - Why?
Date: 13 Jul 1995 14:19:53 GMT
Organization: Institute for Mathematics, University of Cologne, Germany
Lines: 30
Distribution: world
Message-ID: <3u3a29$ocu@news.rrz.uni-koeln.de>
References: <DB87I5.MKy@ncrcae.ColumbiaSC.ATTGIS.COM> <3thd4q$qe4@news.rrz.uni-koeln.de> <DBExyu.GJn@ncrcae.ColumbiaSC.ATTGIS.COM> <3ttfn8$78s@news.rrz.uni-koeln.de> <3tum9e$fvr@nntpd.lkg.dec.com>
NNTP-Posting-Host: fileserv1.mi.uni-koeln.de

In article <3tum9e$fvr@nntpd.lkg.dec.com>, thomas@lkg.dec.com (Matt Thomas) writes:
|> 
|> In article <3ttfn8$78s@news.rrz.uni-koeln.de>, se@MI.Uni-Koeln.DE (Stefan Esser) writes:
|> |>In article <DBExyu.GJn@ncrcae.ColumbiaSC.ATTGIS.COM>, Jeff.McElroy@ColumbiaSC.NCR.COM (Jeff McElroy (x6065)) writes:
|> |>|> de0 <Digital DC21040 Ethernet> rev 35 inta irq5 on pci0:7
|> |>|> pci_map_mem failed: device's memrange 0x3900000-0x390007C is 
|> |>|> incompatible with its bridge's memrange 0x4000000 - 0xffffffff
|> 
|> |>There is some consistency check, that ought
|> |>to make sure that all PCI devices behind a 
|> |>PCI to PCI bridge are mapped within the 
|> |>bridges memory window to that PCI bus.
|> 
|> But this isn't behind a bridge (the pci0:7) since it's one the
|> primary PCI bus.  So for some reason the pci code is thinking some of
|> main memory is not valid for PCI access.

FreeBSD-current will still write a warning,
but proceed anyway, while 2.0.5R considered
the situation fatal. Seems that the test is
not implemented correctly, and I'm currently
looking at the sources to find out what's 
going wrong ...

-- 
 Stefan Esser				Internet:	<se@ZPR.Uni-Koeln.DE>
 Zentrum fuer Paralleles Rechnen	Tel:		+49 221 4706021
 Universitaet zu Koeln			FAX:		+49 221 4705160
 Weyertal 80
 50931 Koeln