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> I did cat /dev/hdb > /dev/null and after a while (5 minutes), > the system went totally unresponsive: > > 1) man top takes 3 minutes to display man page > 2) Switching between console and X takes also a couple of minutes > 3) top shows this: > > Cpu(s): 1.4% us, 1.4% sy, 0.0% ni, 0.0% id, 0.0% wa, 97.3% hi, 0.0% si i guess you have DMA enabled on /dev/hdb. I would expect, that the system is at least 50% idle - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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