Issue #1806 has been updated by tuxillo. Status changed from New to Closed % Done changed from 0 to 100
Unable to reproduce this issue, hence closing. h3. Evidence *SERVER* <pre> root@dev01:/usr/src # sysctl hw.physmem hw.physmem: 500301824 root@dev01:/usr/src # cat /etc/exports /usr -alldirs -maproot=root: -network 10.0.0.0/24 </pre> * Have been monitoring the mbuf usage, it's really low during the copy. * No errors in dmesg. *CLIENT* <pre> root@dev03:~ # df -h /usr/src Filesystem Size Used Avail Capacity Mounted on 10.0.0.101:/usr/src 44.5G 11.0G 33.5G 25q /usr/src root@dev03:~ # rsync -aP --delete /usr/src /mnt/target/usr/ sending incremental file list root@dev03:~ # diff -urN /usr/src /mnt/target/usr/src load: 0.00 cmd: diff 798 [running] 0.08u 1.36s 7q 3916k root@dev03:~ # </pre> * Repeated the copy multiple times. * Even compared the directories with diff and rsync. ---------------------------------------- Bug #1806: DFBSD 2.7.3 - mbuf exhausted while rsync to a NFS http://bugs.dragonflybsd.org/issues/1806#change-14268 * Author: tuxillo * Status: Closed * Priority: Normal * Target version: 6.4 ---------------------------------------- I got two virtual machines running DFBSD. One is KVM (512MB mem) and the other one is under VMware (1024MB). kvm is the NFS server which is exporting /usr like this: @/usr -alldirs -maproot=root: -network ....@ >From the vmware I mount it, and start copying the repo using rsync: @# rsync -av -progress /usr/src /mnt/target/usr/@ After a while the following warning appears in the kvm (NFS server): Warning, objcache(mbuf): Exhausted! <pre> # netstat -m 9056/9056 mbufs in use (current/max): 134/4528 mbuf clusters in use (current/max) 9190 mbufs and mbuf clusters allocated to data 2532 Kbytes allocated to network (22% of mb_map in use) 163 requests for memory denied 0 requests for memory delayed 0 calls to protocol drain routines </pre> In the client part the copy stops: <pre> dfbsd/.git/objects/pack/pack-eb16b18282ea58f39f353cb1c7e4786cfa544159.pack 24084480 10% 4.10MB/s 0:00:48 rsync: writefd_unbuffered failed to write 4 bytes to socket [sender]: Broken pipe (32) rsync: write failed on "/mnt/remote/dfbsd/.git/objects/pack/pack-eb16b18282ea58f39f353cb1c7e4786cfa544159.pack": RPC struct is bad (72) rsync error: error in file IO (code 11) at receiver.c(302) [receiver=3.0.7] [sender] io timeout after 30 seconds -- exiting rsync error: timeout in data send/receive (code 30) at io.c(140) [sender=3.0.7] [vmware] /usr/src> </pre> And I can't even ssh from outside the kvm machine: <pre> % ssh 192.168.3.100 antonioh@192.168.3.100's password: Timeout, server not responding. % </pre> -- You have received this notification because you have either subscribed to it, or are involved in it. To change your notification preferences, please click here: http://bugs.dragonflybsd.org/my/account