On 13/07/2011 09:55 μμ, Stratos Psomadakis wrote: > On 13/07/2011 05:28 μμ, Marcus Becker wrote: >> Hi, >> >> With the upgrade to 2.6.39.2, I cannot copy more than ~1GB of data >> over the network before my input devices lock up. >> Example: >> use scp on tty1 to copy a folder or file larger than 3GB over my >> gigabit network and after ~1min the keyboard stops responding. >> use cp on tty1 with an nfs-3 share mounted over the same network and >> try to copy the same file, same happens >> >> I can hit ctrl+c for about 20-30 sec and eventually get an interrupt >> that stops the copying, then the input devices slowly gain control >> again. If I do the same on X, there is no chance to get in between and >> I have to use SysRq to reboot. >> >> In our bug report at https://bugs.gentoo.org/show_bug.cgi?id=373109 >> We did a bisect between 2.6.39.1 and 2.6.39.2 and found the following >> patch is causing this problem: >> >> commit 87cc4d1e3e05af38c7c51323a3d86fe2572ab033 >> Author: Chris Wright >> Date: Sat May 28 13:15:04 2011 -0500 >> >> intel-iommu: Dont cache iova above 32bit >> >> I will also attach dmesg, current kernel config, and my bisect log (I >> put a uname -a into the log after each bisect) plus git bisect log >> >> Please let me know if you need more information. >> >> Thanks, >> >> Marcus > CC'ed the people who signed-off the patch. > Bug #39312 [1] at b.k.o [1] https://bugzilla.kernel.org/show_bug.cgi?id=39312 -- Stratos Psomadakis