Re: slow writes on nfs with bge devices

2007-01-24 Thread Kelly Yancey
On Sun, 21 Jan 2007, Max Laier wrote: > On Sunday 21 January 2007 13:25, Bruce Evans wrote: > > On Sun, 21 Jan 2007, Max Laier wrote: > > > On Sunday 21 January 2007 07:25, Bruce Evans wrote: > > >> nfs writes much less well with bge NICs than with other NICs (sk, > > >> fxp, > > > > > > Do you us

Re: slow writes on nfs with bge devices

2007-01-22 Thread Bruce Evans
On Mon, 22 Jan 2007, Bruce Evans wrote: % ... Then it got to here with only relatively minor glitches: % 16:41:12.947085 IP phiplex.bde.org.1735978781 > besplex.bde.org.nfs: 1472 write fh 1028,575312/94220 8192 bytes @ 0x2d6000 % 16:41:12.947086 IP phiplex.bde.org > besplex.bde.org: udp % 16

Re: slow writes on nfs with bge devices

2007-01-21 Thread Bruce Evans
On Mon, 22 Jan 2007, Bruce Evans wrote: On Sun, 21 Jan 2007, Max Laier wrote: On Sunday 21 January 2007 13:25, Bruce Evans wrote: Can you just try to disable the delayed checksums via "ifconfig -txcsum"? Should be an easy enough test. I haven't looked closely at the bge checksum code, but

Re: slow writes on nfs with bge devices

2007-01-21 Thread Bruce Evans
On Sun, 21 Jan 2007, Max Laier wrote: On Sunday 21 January 2007 13:25, Bruce Evans wrote: On Sun, 21 Jan 2007, Max Laier wrote: On Sunday 21 January 2007 07:25, Bruce Evans wrote: nfs writes much less well with bge NICs than with other NICs (sk, fxp, Do you use hardware checksumming on the

Re: slow writes on nfs with bge devices

2007-01-21 Thread Max Laier
On Sunday 21 January 2007 13:25, Bruce Evans wrote: > On Sun, 21 Jan 2007, Max Laier wrote: > > On Sunday 21 January 2007 07:25, Bruce Evans wrote: > >> nfs writes much less well with bge NICs than with other NICs (sk, > >> fxp, > > > > Do you use hardware checksumming on the bge? There is an XXX

Re: slow writes on nfs with bge devices

2007-01-21 Thread Bruce Evans
On Sun, 21 Jan 2007, Max Laier wrote: On Sunday 21 January 2007 07:25, Bruce Evans wrote: nfs writes much less well with bge NICs than with other NICs (sk, fxp, Do you use hardware checksumming on the bge? There is an XXX in bge_start_locked() that looks a bit suspicious to me. I use the d

Re: slow writes on nfs with bge devices

2007-01-20 Thread Max Laier
On Sunday 21 January 2007 07:25, Bruce Evans wrote: > nfs writes much less well with bge NICs than with other NICs (sk, fxp, Do you use hardware checksumming on the bge? There is an XXX in bge_start_locked() that looks a bit suspicious to me. > xl, even rl). Sometimes writing a 20K source file