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Re: Physical memory error on ThinkPad 701C
- To: tech_(_at_)_openbsd_(_dot_)_org, HansChr_(_at_)_web_(_dot_)_de
- Subject: Re: Physical memory error on ThinkPad 701C
- From: Ted Unangst <ted_(_dot_)_unangst_(_at_)_gmail_(_dot_)_com>
- Date: Fri, 2 Dec 2005 12:03:18 -0800
you just don't have enough ram to run openbsd, at least not without a
lot of tweaking to reduce the size of the kernel.
should have posted to misc, btw.
On 12/2/05, Hans Christian Schmidt <HansChr_(_at_)_web_(_dot_)_de> wrote:
> Hi folks!
> I've just installed OpenBSD 3.8 on my IBM ThinkPad 701C by booting up
> from the floppyC38.tgz image. The 516 MB disk was partitioned with root,
> swap, usr, var and tmp all meeting the minimum size requirements. I've
> only installed "bsd", "base38.tgz", "etc38.tgz" and "man38.tgz".
> There are 12 MB of RAM available. 4 MB on board and additional 8
> MB installed separately. After the installation was complete I
> received the following startup log:
> OpenBSD 3.8 (GENERIC) #138: Sat Sept 10 15:41:37 MDT 2005
> cpu0: Intel 486DX2 ("GenuineIntel" 486-class)
> cpu0: FPU,V86
> real mem = 12165120 (11880K)
> panic: cannot get physical memory for buffer cache
> Stopped at Debugger+0x4: leave
> RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
> DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
> #ddb> trace
> Debugger(ae,d06f1f08,d06f1f28,ae000,ae) at Debugger+0x4
> panic(d0515640,d06f1f08,1,0,d2197000) at panic+0x63
> setup_buffers(d06f1f48,b000,1) at setup_buffers+0x1bb
> cput_startup(d04d6f85,d04f3ce0,d06f1fa0,d0208972,c00000= at
> #ddb> ps
> PID PPID PGRP UID S FLAGS WAIT COMMAND
> Maybe these information might help too:
> (Boot from floppyC38.tgz)
> boot> machine memory
> Region 0: type 1 at 0x0 for 639KB
> Region 1: type 1 at 0x100000 for 11264KB
> Low ram: 639KB High ram: 11264KB
> Total free memory: 11903KB
> I read about the RAM problem on old Compaq Armada notebooks (as
> mentioned on OpenBSD.org). It's probably a similar error but I don't
> know how to adjust the parameters to fit my RAM size. The Compaq example
> relates to 64 MB RAM.
> Openbsd.org: boot> machine memory +0x3000000_(_at_)_0x1000000
> Any suggestions?
> Best regards,
> Hans Christian Schmidt