>>>> my ultra10/440 experienced the sleep forever bug twice a couple of
>>>> weeks ago.  it happens on any sparc64 box.  it seems to be more
>>>> likely to occur if the disk and network are busy (eg, both the
>>>> above happened when i started writing and read heavily over NFS
>>>> at the same time.)
>>>
>>> Just on a whim, can someone try out the attached patch to
>>> sys/arch/sparc64/include/psl.h to see if it cures the sleep forever
>>> bug?
>>>
>>> There's a chance that gcc is reordering instructions around some =
spl*
>>> calls. The patch should address this.
>>
>> Well, the problem is, I haven't found a way to trigger the bug. Other
>> people have stated that heavy network/disk IO seem to cause it, but
>> yesterday I threw a gig and a half over my network to my Ultra 5, =
over
>> FTP then over NFS, and it handled it just fine (although NFS was =
about
>> 25% slower than FTP, obviously...)
>>
>
> my U10 "died" (at about 9pm, according the the last cron logs) while
> doing a whole build.sh in /usr/src. I don't know is rebuilding the=20
> whole
> stuff can generate that heavey IO...

the U10 i had died then tar/gzipping /usr/src... so i guess it is not=20
dependent on network I/O exclusively.

--=20
mit vorzueglichster Hochachtung/best regards,

Timo Sch=F6ler
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