XO-4, cp(1) may stall using two loopback mounts

James Cameron quozl at laptop.org
Tue Mar 3 23:45:14 EST 2015

With our 3.5 kernel on XO-4, using olpc-os-builder, sometimes a cp
stalls in D state while using two loopback mounts backed by USB HDD.

It is easily fixed at the time using drop_caches.

Anyone got any ideas?

Seems to be independent of wireless device or hard drive.


James Cameron

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