On Tue, Jun 2, 2009 at 10:23 AM, David Vasek <va...@fido.cz> wrote:
> On Tue, 2 Jun 2009, Donald Allen wrote:
>
>> As I've mentioned in a previous thread, among the machines on which
>> I'm running OpenBSD 4.5 is a Lenovo Thinkstation S10. 4 cores, 4 Gb
>> memory, 2 146 Gb SAS disks on an LSI raid controller, arranged as a
>> raid 0.
>>
>> Two questions:
>>
>> 1. In the past, running Linux, I've backed this machine up (to a sata
>> drive in a usb shoebox) by booting a live- or install-cd, the idea
>> being to have the system completely quiescent during the backup. I've
>> been absolutely stymied in trying to do the same thing with OpenBSD.
>> The install45 cd does not have enough sd* devices (the sd0 series
>> only), so I can't mount both the raid 0 and the backup drive. The two
>> live cds I tried (bsdanywhere and jggimi) both fail during booting,
>> complaining they can't find their root filesystem. In order to get any
>> flavor of OpenBSD to boot on this machine, I have to get into ukc and
>> disable uhci. Thinking that might be causing this problem, I tried the
>> jggimi livecd on my Thinkpad X61 (2 64-bit cores) both just letting it
>> boot and doing the ukc->disable uhci sequence. In both cases, the
>> system booted successfully (no problem finding the root file system on
>> the ramdisk). Hopefully temporarily, I've worked around this problem
>> on the workstation by booting the installed system and backing it up
>> while it's running, shutting down some key things (e.g., postgresql).
>> But I would like to solve this problem one way or another and be able
>> to boot enough of a system from a cd to be able to run my backup
>> script.
>
> Why not use a single-user mode ( -s from boot prompt) for this?
> Even Linux and FreeBSD should have it, though not as "pure".
>
>> 2. If I boot the install45 cd (bsd.rd) on the workstation (after
>> disabling uhci in ukc) and run reboot from the shell, the system
>> reboots normally. If I boot the installed kernel (bsd.mp) and run
>> reboot from the shell, the system powers down briefly and then comes
>> back up and reboots. OpenBSD does not behave this way on the two
>> Thinkpads on which I have it installed. Nor have I seen this behavior
>> with Linux or FreeBSD that I had run previously on the workstation. I
>> did get into the bios setup at one point, to see if there was some
>> sort of option/setting that might relate to this, found nothing,
>> escaped back to the top-level and exited without saving. To my
>> surprise, the machine did the same thing -- powered down briefly and
>> then came back up. While this is not a huge problem, the extra power
>> cycling probably does the machine no good (though in the steady-state,
>> once I've got OpenBSD completely sorted out, I won't be doing nearly
>> as much rebooting as I've been doing while getting things together;
>> the machine is normally powered off, I boot it every few days to do
>> some work for a few hours, and then shut it down). While the behavior
>> I saw when exiting  the bios setup prompts me to ask Lenovo about
>> this. But since this behavior began with the installation of OpenBSD,
>> it also seems appropriate to query this list.
>>
>> Any good ideas about either of these will be appreciated.
>
> I am not the one able to help with this, but the dmesg output
> (/var/run/dmesg.boot) is almost always needed. Look at the section
> 'Reporting Bugs' in the FAQ first. Also, check with Lenovo if there are any
> bios updates available.

Already did -- there aren't.

>
> Btw, do you experience the uhci troubles under OpenBSD/i386 (you forgot to
> mention here that you are running amd64)? Booting i386 bsd.rd should be
> enough to test. Maybe this comparison could be helpful.

Good idea -- I'll try it.

/Don

>
> Regards,
> David

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