Re: Call for testing: VM bugs in 10.3

2016-08-17 Thread Andrea Venturoli
On 08/02/16 21:25, Konstantin Belousov wrote: Below is the merge of some high-profile virtual memory subsystem bug fixes from stable/10 to 10.3. I merged fixes for bugs reported by users, issues which are even theoretically unlikely to occur in real world loads, are not included into the patch se

I/O is very slow for FreeBSD 10.3 amd64 guest running on Citrix XenServer 6.5

2016-08-17 Thread Rainer Duffner
Hi, I had to realize this week that my VMs on Citrix XenServer are very slow, compared to Linux. I’m getting maybe 8 or 10 MB/s, wheres an Ubuntu 14 guest gets 110+ MB/s (Megabyte). Independent of the filesystem, just wiping the disks with dc3dd. This went unnoticed, because not much I/O is do

Re: unionfs bugs, a partial patch and some comments [Was: Re: 1-BETA3 Panic: __lockmgr_args: downgrade a recursed lockmgr nfs @ /usr/local/share/deploy-tools/RELENG_11/src/sys/fs/unionfs/union_vnops.c

2016-08-17 Thread Rick Macklem
Kostik wrote: [stuff snipped] >insmnque() performs the cleanup on its own, and that default cleanup isnot >suitable >for the situation. I think that insmntque1() would betterfit your >requirements, your >need to move the common code into a helper.It seems that >>unionfs_ins_cached_vnode() clea