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Old 2nd June 2012
opendaemon opendaemon is offline
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Default ThinkPad T30 memory conflict

Hi. I would like to install on IBM ThinkPad T30 (Type 2366). I have identified a memory conflict that prevents me from going through the install/setup of OpenBSD. I believe the BIOS does not indicate the memory address area to OpenBSD. I also think the issue is with Texas Iinstruments PCI-1520 CardBus Controller (PCMCIA).

During installation I tried 'memory mem -0x100000@500000000' but the conflict is still apparent.

Could someone suggest how to get this sorted? Many thanks in advance.
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Old 2nd June 2012
ocicat ocicat is offline
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Quote:
Originally Posted by opendaemon View Post
I have identified a memory conflict that prevents me from going through the install/setup of OpenBSD.
  • What is the error reported when installing?
  • What version of OpenBSD is being installed?
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Old 2nd June 2012
opendaemon opendaemon is offline
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Default ThinkPad T30 memory conflict

Quote:
Originally Posted by ocicat View Post
  • What is the error reported when installing?
During reboot from CD, after the boot prompt and when the kernel loads
...
mem address conflict 0x50000000/0x1000
mem address conflict 0x51000000/0x1000
...

This is the normal screen we see when OpenBSD boots up.

Quote:
Originally Posted by ocicat View Post
  • What version of OpenBSD is being installed?
OpenBSD 4.9 and OpenBSD 5.1

I may be able to get to the shell and exclude the memory in /etc/boot.conf.
I tried on the boot prompt 'boot>'

machine mem -0x100000@0x50000000

and pressed return. It does not seem to recognize the memory exclusion. Is my attempt correct?

Last edited by opendaemon; 2nd June 2012 at 10:06 PM. Reason: Subject missing
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Old 3rd June 2012
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jggimi jggimi is offline
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The message "mem address conflict' is generated by the pci(4) driver. See /usr/src/sys/dev/pci/pci.c, line 795; here's a link to the source code file -- which has not had a patch committed since 5.1-release.

Last edited by jggimi; 3rd June 2012 at 02:21 AM. Reason: typo
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Old 3rd June 2012
opendaemon opendaemon is offline
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Quote:
Originally Posted by jggimi View Post
The message "mem address conflict' is generated by the pci(4) driver. See /usr/src/sys/dev/pci/pci.c, line 795; here's a [...] to the source code file -- which has not had a patch committed since 5.1-release.
Thanks for the info. I had a look into the src and wonder if you expect me to hard code anything? Out there are reports that 4.0 is doing on their T30 but it's not really a path I would like to follow.

How about the boot/memory exclude attempt. It does not seem to get recognized. Is the command option correct?
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Old 3rd June 2012
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I posted to indicate to you what component of the kernel was issuing the message; I do not have enough information to be able to determine the root cause of your problem.
Quote:
Out there are reports that 4.0 is doing on their T30...
I do not understand what you are trying to say. I have seen successful T30 use of OpenBSD mentioned in passing on the OpenBSD misc@ mailing list. As for 4.0-release, support ended 1 November 2007, and I do not recommend installing unsupported releases. Currently only 5.1 and 5.0 are supported.
Quote:
Is the command option correct?
It looks correct per boot.conf(5).

I recommend you post an informal problem report to the misc@ mailing list. Before doing so, please be sure to read FAQ 4.16 on obtaining dmesg(8) output on install problems (if applicable in this instance), FAQ 2.4 on bug reporting, and of course, be sure to read http://www.openbsd.org/mail.html and http://www.openbsd.org/report.html to ensure your posting is in the proper format and is complete as possible.
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