On Thu, Feb 01, 2007 at 05:57:53PM +0100, Dan H. wrote: > Hello, > > whenever I copy large files (1.5GB and up) from one disk to another > (different physical disks, not just from one partition to another on the > same disk or within one partition), my system locks up completely. Not > just X and stuff; the console as well and there's no sshing into the > box. This happens both when copying between ATA disks and when copying > from ATA to a portable USB harddisk. > > The bug seems to strike only if actual data is transferred from one disk > to the other. dd if=/dev/zero bs=1M count=3k of=somefile works just as > well as dd'ing big files into /dev/null, but dd if=bigfile of=newfile, > where oldfile and newfile reside on different physical disks crashes the > machine. It doesn't matter if I use cp or dd for copying. > > There seems to be some jam on the data highways, because when I throttle > traffic like so: > > cat infile | (while dd count=20000 ; do sleep 1; done) | cat >> outfile > > I can transfer arbitrarily big files. > > Now my question is: For which package do I file a bug? Kernel?
are you sure its not a hardware issue? anything in the logs that points to the problem? Does it come out of the freeze or do you have to kill the whole box? A
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