On Fri 12-05-17 18:21:27, Arthur Marsh wrote: > I've been building the Linus git head kernels as the source gets updated and > the one built about 3 hours ago managed to get stuck with kswapd0 as the > highest consumer of CPU cycles (but still under 1 percent) of processes > listed by top for over 15 minutes, after which I hit the power switch and > rebooted with a Debian 4.11.0 kernel. > > The previous kernel built less than 24 hours earlier did not have this > problem. > > CPU is an Athlon64 (Athlon II X4, 4 cores), RAM is 8GiB, swap is 4GiB, load > was mainly firefox and chromium. Opening a new window in chromium seemed to > help trigger the problem. > > It's not much information to go on, just wondered if anyone else had > experienced similar issues? > > I'm happy to supply more configuration information and run tests including > with kernels built with test patches applied. Is this 32b or 64b kernel? Could you take /proc/vmstat snapshots ever second while the kswapd is active? -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
