Date: Wed, 8 Jan 1997 02:09:40 -0800 (PST) From: brian@mpress.com To: freebsd-current@freebsd.org Subject: PCI posting/bursting vs. Chembook 9750 Laptop (solution) Message-ID: <19970108100940.26788.qmail@mpress.com>
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I reported earlier that -current would not run on my Chembook/Chicony 9750 laptop. P5-200/32MB (-stable, and 6 month old -current work fine) Basically the system would seize up after the last kernel message and before the first message regarding the filesystem mounting. Additionally spurious characters would appear across the 1st 3 lines of the display. Well after a half-interval search I isolated the problem down to the PCI posting option. Basically with regard to the PCI bus I can select (within the CMOS setup) PCI Bursting: Disable Posting Only Posting/Bursting Selecting Posting Only, or Posting/Bursting causes the failure. HOWEVER, there are no problem running -stable, or a -current kernel I built six months ago. I.E. for those versions I can leave PCI Posting/Bursting turned on. Any ideas what may be going wrong? Another person with a laptop that was not a Chembook 9750 reported similar crashing. Hopefully this solution will help him too. -- Brian Litzinger brian@mpress.com
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