On Wed, Feb 03, 2010 at 05:25:03PM -0800, Pyun YongHyeon wrote: > On Thu, Feb 04, 2010 at 11:52:55AM +1300, Jonathan Chen wrote: > > On Tue, Feb 02, 2010 at 11:20:29PM +0200, Nikos Ntarmos wrote: > > > On Wed, Feb 03, 2010 at 08:36:16AM +1300, Jonathan Chen wrote: > > > > Hi, > > > > > > > > I've noticed that on a recent 8-STABLE/amd64, scp(1) appears to be > > > > stalling very frequently. This is the output from a "scp -v -v" > > > > of a 300Mb file from a local to a remote within an internal network: > > > > [...] > > > > Does anyone know what's happening here? Any tips on how to track down > > > > what the problem is? The network config appears to be fine - fetch(1) > > > > will > > > > have downloads speeds of up to 300KB/s. > > > > > > But how about upload speeds? It seems that's where scp is suffering as > > > well. > > > > This is the obvious test that I should have done; and you're hit the > > nail on the head. bge(4) on 8-STABLE (csup'd 4-Feb-2010) has a very > > bad upload speed. > > > > I've just tried using ftp to transfer some files: > > > > Upload speed: starts at 63 KB/s, falls rapidly before stalling. > > Download speeds: starts at 9 MB/s, increasing slightly before > > completing. > I'm not sure but recently added code to support TSO may cause the > issue. Would you show me verbose boot output(only bge(4) related > one)?
bge0: <Broadcom NetXtreme Gigabit Ethernet Controller, ASIC rev. 0x00a002> mem 0xf1bf0000-0xf1bfffff irq 17 at device 0.0 on pci9 bge0: Reserved 0x10000 bytes for rid 0x10 type 3 at 0xf1bf0000 bge0: adjust device control 0x2000 -> 0x5000 bge0: attempting to allocate 1 MSI vectors (1 supported) bge0: using IRQ 258 for MSI bge0: CHIP ID 0x0000a002; ASIC REV 0x0a; CHIP REV 0xa0; PCI-E bge0: Disabling fastboot bge0: Disabling fastboot miibus0: <MII bus> on bge0 bge0: bpf attached bge0: Ethernet address: 00:1d:09:d2:d1:9e bge0: [MPSAFE] bge0: [FILTER] bge0: Disabling fastboot bge0: Disabling fastboot bge0: link UP >To rule out possible TSO issue, disable TSO and try it > again(#ifconfig bge0 -tso). Does it make any difference? Yup, it sure does! With a TSO disabled, my upload and download speeds are pretty much symmetrical at a decent 10MB/s. Thanks! -- Jonathan Chen <j...@chen.org.nz> ---------------------------------------------------------------------- Do not take life too seriously. You will never get out of it alive. _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"