On Fri, Apr 06, 2018 at 12:47:14AM +0000, Justin Hibbits wrote: > My powerpc64 embedded machine is virtually unusable since these vm changes. > I tried setting vfs.zfs.arc_free_target as suggested, and that didn't help > at all. Eventually the machine hangs and just gets stuck in vmdaemon, with > many processes in wait channel btalloc. You don't really have the same symptoms that Don is reporting. Threads being stuck in btalloc implies a KVA shortage. So: - What do you mean by "stuck in vmdaemon"? - Which commits specifically cause problems? Does reverting r329882 fix the hang? - Can you break to DDB and get "show page" output when the hang occurs? - What is the system doing to cause the hang to occur?Received on Fri Apr 06 2018 - 13:08:19 UTC
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