It might be a hardware resource starvation problem. It is possible to
nice
umass by simply adding a line like:
.interval = 2,/* 2 milliseconds */
Thanks, but it didn't help. Also tried setting it to 1, 4, and 20.
http://svn.freebsd.org/changeset/base/217350
Is
I suspect that I have a problem with lock/mutex contention.
Reading from a USB disk appears to lock out the firewire driver
for too long, causing data transfer (writing to firewire bus) to fail
with EAGAIN. Once it fails it does not recover.
kernel: fwohci1: IT DMA underrun (0x40308011) (stat
On Thursday 13 January 2011 21:28:15 dieter...@engineer.com wrote:
I suspect that I have a problem with lock/mutex contention.
Reading from a USB disk appears to lock out the firewire driver
for too long, causing data transfer (writing to firewire bus) to fail
with EAGAIN. Once it fails it
