Re: 11.2-RELEASE panics with a bit of load

2018-10-04 Thread Meowthink
Hi Rainer, I do noticed that the default vfs.zfs.arc_max seems too aggressive, as it will cause tings like rsync swapping in and out, esp. on configs having 32GB RAM, and smaller. So if a reduced arc_max works, I'd suggest you check your swap device. Some SSDs are known to have issues under huge I

Re: 11.2-RELEASE panics with a bit of load

2018-10-04 Thread rainer
Am 2018-10-04 05:53, schrieb Holger Kipp: Dear Rainer, if no one else is experiencing these errors, then it is probably a hardware error. I had once encountered problems with incompatible memory (combination of memory (ok with other boards) and board (ok with other memory) did not work properly)

Re: 11.2-RELEASE panics with a bit of load

2018-10-03 Thread Holger Kipp
Dear Rainer, if no one else is experiencing these errors, then it is probably a hardware error. I had once encountered problems with incompatible memory (combination of memory (ok with other boards) and board (ok with other memory) did not work properly). The issue could be triggered with a sim

11.2-RELEASE panics with a bit of load

2018-10-03 Thread rainer
Hi, I created a PR for this, but maybe somebody here can help. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231296 I have a HP DL380 Gen10 server with a smartpqi(4) HBA and some disks smartpqi0: port 0x4000-0x40ff mem 0xe280-0xe2807fff at device 0.0 numa-domain 0 on pci4 smartpqi0