Re: nfsd kernel threads won't die via SIGKILL

2018-06-24 Thread Rick Macklem
Konstantin Belousov wrote: >On Sat, Jun 23, 2018 at 09:03:02PM +, Rick Macklem wrote: >> During testing of the pNFS server I have been frequently killing/restarting >> the nfsd. >> Once in a while, the "slave" nfsd process doesn't terminate and a "ps axHl" >> shows: >> 0 48889 1 0 2

Re: numa involved in instability and swap usage despite RAM free?

2018-06-24 Thread Mark Millard
Alexander Leidinger Alexander at leidinger.net wrote on Sun Jun 24 10:03:49 UTC 2018 : > Short: > Can it be that enabling numa in the kernel is the reason why some > people see instability with zfs and usage of swap while a lot of free > RAM is available? [It will likely be a few months befor

Re: atomic_testandclear_, atomic_testandset_

2018-06-24 Thread Matthew Macy
On Sun, Jun 24, 2018 at 01:42 Konstantin Belousov wrote: > On Sat, Jun 23, 2018 at 01:38:07PM -0700, Matthew Macy wrote: > > It turns out ck already has equivalent primitives. Pardon the noise. > Why not to add trivial cmpset-based implementations to the lacking > arches ? If maintainers prefer

numa involved in instability and swap usage despite RAM free?

2018-06-24 Thread Alexander Leidinger
Hi, I don't have hard evidence, but there is enough "smell" to open up a discussion... Short: Can it be that enabling numa in the kernel is the reason why some people see instability with zfs and usage of swap while a lot of free RAM is available? Long: I have a dual-socket Xeon system

Re: nfsd kernel threads won't die via SIGKILL

2018-06-24 Thread Konstantin Belousov
On Sat, Jun 23, 2018 at 09:03:02PM +, Rick Macklem wrote: > During testing of the pNFS server I have been frequently killing/restarting > the nfsd. > Once in a while, the "slave" nfsd process doesn't terminate and a "ps axHl" > shows: > 0 48889 1 0 20 0 5884 812 svcexit D -

Re: atomic_testandclear_, atomic_testandset_

2018-06-24 Thread Konstantin Belousov
On Sat, Jun 23, 2018 at 01:38:07PM -0700, Matthew Macy wrote: > It turns out ck already has equivalent primitives. Pardon the noise. Why not to add trivial cmpset-based implementations to the lacking arches ? If maintainers prefer proper ll/cs assembly, they would have the time to do it properly w

Re: error building clang in HEAD

2018-06-24 Thread Gary Jennejohn
On Sat, 23 Jun 2018 17:05:16 +0200 Dimitry Andric wrote: > On 23 Jun 2018, at 15:40, Gary Jennejohn wrote: > > > > There is a strange error building clang with this use case: > > > > cd /usr/src > > make -j10 makeworld > > What's the "makeworld" target? I've not heard of this. > A typo.