Yeah, sorry. Search for "I/O error" for the interesting parts.
Not fixed:
mszeredi@tucsk:~> uname -a
Linux tucsk 2.6.27-rc1-00156-g94ad374 #17 SMP Thu Jul 31 15:45:10 CEST 2008 x86_64 x86_64 x86_64 GNU/Linux
mszeredi@tucsk:~> dmesg
bash: /bin/dmesg: Input/output error
Seems easily reproducible, so if no better ideas I can try to bisect
it.
Miklos
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