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Subject2.2.9 on Alpha (DP264): spinlock stuck
Hi,

sorry if it is already known: There appears to be an error in the
SMP-code for Alpha in the 2.2.9 release. The swapper produces a
deadlock-situation immediately after entering the SMP mode. 2.2.7 did
the job for me.

On bootup the kernel shows the following messages (I try to
reproduce exactly, but it's the copy-by-pen method):

Entering SMP Mode
secondary_console_message: on 0 from 1 HALT_REASON 0x0 FLAGS 0x1ee
secondary_console_message: on 0 message is 'P01>>>START P01>>>'
smp_boot_cpus: Total of 2 Processors activated (1979.71 BogoMips)
start_secondary: commencing CPU 1 current fffffc0000f1c000
spinlock stuck at fffffc000032af9c(1) owner swapper at fffffc000032a5d4
spinlock stuck at fffffc000032af9c(0) owner swapper at fffffc000032a5d4

then the machine is stuck completely.

The machine is a Samsung DP264 (Tsunami-chipset) with two 21264
processors, 500MHz, 4MB Cache.

I am not on the list, so if you reply, please cc to me.

Bye,

Bernd

--
Bernd Rinn
Fakultaet fuer Physik
Universitaet Konstanz

Tel. 07531/88-3812,
e-mail: Bernd.Rinn@uni-konstanz.de
PGP-Fingerprint: 1F AC 31 64 FF EF A9 67 6E 0D 4C 26 0B E7 ED 5C LocalWords: Bernd
LocalWords: Rinn Fakultaet fuer

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