Re: domU page faults under heavy network load

2009-03-02 Thread Bernhard Höckner
Hi, i had similar panics while trying to scp something from domU to dom0. When scp to a real host everything went ok. Kernel with the config from HEAD: login: Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex xennetif_tx (network transmit lock) r = 0 (0xc15f00

Re: domU page faults under heavy network load

2009-02-17 Thread xen
Hi, in the kernel i disabled: WITNESS WITNESS_SKIPSPIN in /etc/make.conf i enabled DEBUG_FLAGS=-ggdb To make sure that user/kernel are in sync i just rebuilt/installed both. I furthermore tracked down the problem, since it seems to occur only between the dom0 and its domU, but not between th

Re: domU page faults under heavy network load

2009-02-14 Thread Kip Macy
Is this a recent version of HEAD? I'm not able to reproduce. <...> thru: 1947.346ms at 32.9MB/s ( 27.8MB/s avg)3.3GB thru: 1946.356ms at 32.9MB/s ( 27.9MB/s avg)3.4GB thru: 1946.910ms at 32.9MB/s ( 27.9MB/s avg)3.4GB <...> Maybe some variation in the options? Thanks, Kip On

Re: domU page faults under heavy network load

2009-02-10 Thread Kai Mosebach
1024meg On 2/10/09 8:30 PM, "Kip Macy" wrote: > How big is the memory allocation to the VM? > > Thanks, > Kip > > > On Tue, Feb 10, 2009 at 7:59 AM, Kai Mosebach wrote: >> Hi, >> >> running r188436M on Xen3.3.1 (Centos5, x86_64). The reason is not to clear >> but seems related to heavy loa

Re: domU page faults under heavy network load

2009-02-10 Thread Kip Macy
How big is the memory allocation to the VM? Thanks, Kip On Tue, Feb 10, 2009 at 7:59 AM, Kai Mosebach wrote: > Hi, > > running r188436M on Xen3.3.1 (Centos5, x86_64). The reason is not to clear > but seems related to heavy load on pipes + memory + network? > It is repeatable with : > > bsd8# d