5.2-RELEASE TODO
Scott Long
scottl at freebsd.org
Thu Dec 4 21:15:42 PST 2003
Tom wrote:
> On Wed, 3 Dec 2003, Eric Anderson wrote:
>
> ...
>
>>> Well, there are so many kinds of PERC cards. Some are just Mylex cards.
>>>Others are MegaRAID. I think they use some Adaptec now.
>>>
>>
>>My troubles were with the MegaRAID variant, I'm not sure about the others..
>>
>>
>>> Either way, I tried booting the install CD with all cards disconnected,
>>>just to see if I could get the installer up to the main menu. No go. The
>>>display switches off as soon as sysinstall starts probing devices. It
>>>appears to panic, but the display is dead. Once I was able to use
>>>scrolllock at the critical moment just before the kernel starts
>>>sysinstall, and prevent the display from switch off, but when I release
>>>the scroll lock, I was at the DDB prompt. Not good.
>>>
>>>
>>
>>First - I hope you mean the cards are physically OUT of the machine - it
>>seemed to me that if they had a logical disk configuration on the card,
>>it would hang. Although, it sounds like your problem is different.
>>Actually, it kind of sounds like it thinks you are doing the "-p" boot
>>thing to check for keyboard and roll over to the serial port. Other
>>than that, I'm out of ideas (doesn't take long for that to happen
>>though!).. :(
>
>
> Yes, the cards are physically out of the machine.
>
> "-p" seems unlikely, since the display is literally shutoff. The
> monitor goes into a power-save mode, so it appears that as soon as
> sysinstall touches whatever devices it touches, the onboard video stops
> generating output. I've also tried a serial console, which seems to fail
> the same way. There is simply no output to the serial console after
> sysinstall starts, and the machine appears to be hung.
>
> So, this was with 5.0 and 5.1. I will have to try 5.2 and see if it has
> the same problem. No one has contacted me about my PR, or even given me
> any suggestions about more debugging info that I can gather, so unless
> this gets fixed by chance, I suspect that 5.x is just going to orphan a
> significant number of machines. Which is a shame, since 5.x would be
> clearly superior on a quad Xeon machine than 4.9-RELEASE.
>
>
>>Eric
>
>
>
> Tom
>
Providing a serial console capture when booting with the -hv flags might
be interesting.
Scott
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