I've posted these questions to sparc-list and received one reply, however I
would really like to hear from SPARC kernel developers. I'm in the midst
of a large port from SunOS to Linux, and hitting some disturbing problems.
1. Does update have problems? After using it heavily for a couple days
this week, my IPC got real pokey, so I pulled up top (slowly) and it
displayed update as taking some 50% of the CPU. I should have tried to
kill it off, but instead I just rebooted and now it's fine again for the
moment. Have others seen this problem?
2. About a year ago when I first started working with SPARC/Linux, there
was a problem with sun4c machines where they would gradually slow down
(over a period of time) to a near halt. I think the problem was
attributed to kernel problems involving the SCSI bus. Has that been fixed
now? If not, what is the status of debugging the problem? (Would money
help the situation?)
3. How many people here are using development kernels on SPARC? I use
development kernels on my Intel box (and read linux-kernel regularly)
because of the tremendous speedup I get with the dcache. Apart from the
generic changes such as the dcache, are there significant SPARC-specific
changes in the development kernels so that they're much better?
Thanks,
Aron
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