Peter Zijlstra wrote:
On Fri, 2006-12-22 at 12:59 +0100, Rudy Zijlstra wrote:
Hi,
I have a system where whenever i trigger a ongoing consistent NFS load i
get the following kernel BUG:
----------
kernel BUG at mm/truncate.c:311!
Lotsa changes there:
try these:
http://client.linux-nfs.org/Linux-2.6.x/2.6.19/linux-2.6.19-NFS_ALL.dif
And:
http://lkml.org/lkml/2006/12/19/279
Thanks, i have now a 2.6.19.1 patched with the above NFS_ALL patchset
running under load since about 17:00 and still going strong. So seems to
have solved the problem!
Also, performance seems to have significantly increased. I am testing
this with MythTv with the storage over NFS. With HD LiveTV (which is
what i use to test this), this translates into about 43Mbps total load,
from almost 15Mbps video stream which is present 3x on the ethernet:
1/ from card to NFS disk
2/ read from NFS disk
3/ stream to viewer app.
Doing this with HD streams before the patch set resulted in regular
picture hickups. No hickups visible anymore (that i have seen, i have
not been present all this time).
Regards,
Rudy
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