Re: FreeBSD 6.0-RC1 available

Paul Dekkers wrote:
> Scott,
> 
> Scott Long wrote:
> 
>> Christopher Kelley wrote:
>>
>>> Paul Dekkers wrote:
>>>
>>>> Christopher Kelley wrote:
>>>>
>>>>> I am having a problem installing 6-RC1, that I am wondering if this 
>>>>> will also fix.  It starts to copy from the CD drive, then pretty 
>>>>> quickly I get;
>>>>>
>>>>>    panic: vm_fault: fault on nofault entry, addr: c641e000
>>>>>    Uptime: 1m44s
>>>>>    Cannot dump. No dump device defined.
>>>>>    Automatic reboot in 15 seconds - press a key on the console to 
>>>>> abort.
>>>>>
>>>>> This is a straight install, I'm not running under VMWare (and I 
>>>>> haven't actually a clue what QEMU is), but I don't know if this is 
>>>>> something that might be related.  The addr is different each time.
>>>>>
>>>>> This is my "beater" machine, an old P233/mmx with only 96megs, but 
>>>>> I've successfully installed various 5.x versions, windows, etc on 
>>>>> this machine.  I've even in the past successfully cvsup'd from 5.4 
>>>>> to 6, just to see if it would work.
>>>>
>>>>
>>>> FWIW, I just experienced the same with a straight install on a Dell 
>>>> PE 1300, a PIII-500.
>>>> It was half way through copying the "bin" set.
>>>>
>>>> Paul
>>>>
>>>> BTW, Probably unrelated: I had to disable apic in order to boot (I'm 
>>>> on the latest BIOS, A12) and ACPI disabled itself.
>>>
>>>
>>> Heh, ever get a new idea right after you press "enter" to send a 
>>> message?  I *DID* get it to work, by going into the BIOS and 
>>> disabling UDMA access for both master and slave on the secondary IDE 
>>> controller (the CDROM is on the secondary master, nothing on the 
>>> secondary slave).  I left the UDMA on for the primary IDE controller 
>>> (where the hard drive is).
>>>
>>> So that's weird.  Because I didn't have do that to install 5.x or 
>>> Windows 98.  I guess it won't affect anything, I don't think CDROMs 
>>> are UDMA anyways.
>>>
>>> Christopher
>>
>>
>> There is a candidate fix for all of these 'panic while copying files off
>> the CD' problems.  I've tested it successfully under Qemu since it
>> happens most often there and in VMWare, but there is no reason why it
>> shouldn't also happen on real hardware.  So, for those with some to
>> test, please go to ftp://ftp.freebs.org/pub/FreeBSD/snapshots and
>> download the ISO there and install it.  Then let me know ASAP whether
>> it helps or not.
> 
> 
> It helps; the 13 October snapshot installs just fine.
> 
> Paul
> 
> P.S. Unlike Christopher I have no UDMA settings in the BIOS, and 
> hw.ata.ata_dma=0 didn't do it for me, so this fix is certainly welcome :-)
> 
> 

Yeah, twiddling UDMA just changes the timing, it doesn't actually fix 
the bug.

Scott