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Re: sparc / Problems with 3.2-kernel

BERTRAND Joël wrote:
Andreas Barth a écrit :

today I tried to resurrect our buildd on schroeder (which is from
architecture sparc). While trying to do so, I had a couple of strange
behaviours like vi freezing after 20-30 seconds, or I couldn't about
tail with ctrl+c or suspend with ctrl+z.  This didn't change after a
reboot. Machine was running our official 3.2-kernel.

After Martin rebooted the machine into oldstables 2.6.32 kernel,
things are working as they should, and the buildd is up again.

Question: Is this a known issue? How can we get a fix for that?  (I
would assume DSA will consider it a non-option to not be able to
upgrade to our default kernels.)


I have seen same freezes on Blade 2000 (2 * US III+/900 Cu), on U5 (US IIi/440), but not on a server that run with four US IIIi and not on a T1000 (sun4v/US T1). I have tested 3.2 debian kernels and official ones and both hang. I suppose there is another strange bug with special MMU. 2.6.32 is stable but on sparc64, 3.2 is not. I have not tested newer kernels.

I've got 3.2 grafted onto Squeeze or Lenny on various older systems (from memory: U1, T1, U60, E4500), and it appears stable. In case it's significant, in most cases it's been built on the machine it's to run on.

Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]

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