On Mon, 27 Dec 2010 11:39:18 -0500, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > On Mon, Dec 27, 2010 at 07:27:56PM +0300, Vasiliy G Tolstov wrote: >> On Mon, 27 Dec 2010 10:08:47 -0500, Konrad Rzeszutek Wilk >> <konrad.wilk@xxxxxxxxxx> wrote: >> > On Mon, Dec 20, 2010 at 02:47:24PM +0100, Daniel Kiper wrote: >> >> Features and fixes: >> >> - HVM mode is supported now, >> >> - migration from mod_timer() to schedule_delayed_work(), >> >> - removal of driver_pages (I do not have seen any >> >> references to it), >> >> - protect before CPU exhaust by event/x process during >> >> errors by adding some delays in scheduling next event, >> >> - some other minor fixes. >> >> I have apply this patch to bare 2.6.36.2 kernel from kernel.org. If >> memory=maxmemory pv guest run's on migrating fine. >> If on already running domU i have xm mem-max xxx 1024 (before that it >> has 768) and do xm mem-set 1024 guest now have 1024 memory, but after >> that it can't migrate to another host. >> >> Step to try to start guest with memory=512 and maxmemory=1024 it boot >> fine, xm mem-set work's fine, but.. it can't migrate. Sorry but nothing >> on screen , how can i help to debug this problem? > > You can play with 'xenctx' to see where the guest is stuck. You can also > look in the 'xm dmesg' to see if there is something odd. Lastly, if you > mean by 'can't migrate to another host' as the command hangs stops, look > at the error code (or in /var/log/xen files) and also look in the source > code. > xm dmesg and /var/log/xen/* provide nothing useful. can't migrate meand - xm migrate --live start migration process, on destination node domain constucted all memory copied and after that in xentop picture like this: 1) some second after migration xentop displays line like this: test_domain -----r 2 109.8 262144 0.4 1048576 1.7 14 1 0 0 2 0 0 0 0 0 0 2) after that some second line changed to this: test_domain ---c-- 3 245.6 262144 0.4 1048576 1.7 14 1 0 0 2 0 0 0 0 0 0 3) after some milli seconds: test_domain ---cp- 3 0.0 111460 0.2 1048576 1.7 14 1 0 0 2 0 0 0 0 0 0 4) after 2 or 3 seconds like this: test_domain d--cp- 3 0.0 4 0.0 1048576 1.7 14 1 0 0 2 0 0 0 0 0 0 after step 4 domain is crushed. If i don't use Daniel's patch - this not happening. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>