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