Messages in this thread |  | | From | George France <> | Date | Fri, 25 May 2001 18:52:33 -0400 | Subject | Re: PROBLEM: Alpha SMP Low Outbound Bandwidth |
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Hello Jay,
I see that you are using the tulip driver. Could you try the de4x5 driver??
Best Regards,
--George
On Friday 25 May 2001 17:50, Jay Thorne wrote: > [1.] One line summary of the problem: > Kernel 2.4.4 ac15 > Tested with several cards and pieces of software, the outbound bandwidth > on a quad cpu alpha is 2 megabytes a second or less on a 100 mbit > switched ethernet network. Other machines on same switch do 10 or more > megabytes per second. Switch is DLink 3624, 24 port, only 12 ports in > use. > > [2.] Full description of the problem/report: > Using a quad 400Mhz Dodge/Rawhide machine with Tulip or VIARhine cards, > on wuFTP, the outbound bandwidth tops out at 2 megabytes per second and > the inbound at 6 megabytes per second. Also noticeable are apparent > slowdowns or console lockups/sluggishness during the transfer. > > [3.] Keywords (i.e., modules, networking, kernel): > networking, alpha, tulip, via_rhine > > [4.] Kernel version (from /proc/version): > Linux version 2.4.4-ac15 (root@lister) (gcc version 2.96 20000731 (SuSE > Linux 7.1/Alpha)) #1 SMP Thu May 24 18:41:13 PDT 2001 > > [5.] Output of Oops.. message (if applicable) with symbolic information > resolved (see Documentation/oops-tracing.txt) > > [6.] A small shell script or example program which triggers the > problem (if possible) > > Problem machine: > ncftp /tmp > put foo > foo: 34.38 MB 5.16 > MB/s > ncftp /tmp > get -z foo baz > baz: 34.38 MB 1.16 > MB/s > > other machine on same switch to same ftp server. > ncftp /home/jay > get foo > foo: 34.38 MB 10.12 > MB/s > ncftp /home/jay > put -z foo baz > foo: 34.38 MB 9.93 > MB/s > > [7.] Environment > [7.1.] Software (add the output of the ver_linux script here) > > Linux lister 2.4.4-ac15 #1 SMP Thu May 24 18:41:13 PDT 2001 alpha > unknown > > Gnu C 2.96 > Gnu make 3.79.1 > binutils 2.10.0.33 > util-linux 2.10q > mount 2.10q > modutils 2.4.2 > e2fsprogs 1.19 > pcmcia-cs 3.1.22 > PPP 2.4.0 > isdn4k-utils 3.1pre1a > Linux C Library so.6.1 > Dynamic linker (ldd) 2.2 > Procps 2.0.7 > Net-tools 1.57 > Kbd 1.02 > Sh-utils 2.0 > Modules Loaded tulip via-rhine > > [7.2.] Processor information (from /proc/cpuinfo): > lister:/usr/src/linux # cat /proc/cpuinfo > cpu : Alpha > cpu model : EV56 > cpu variation : 7 > cpu revision : 0 > cpu serial number : > system type : Rawhide > system variation : Dodge > system revision : 0 > system serial number : NI70904KB0 > cycle frequency [Hz] : 400000000 > timer frequency [Hz] : 1200.00 > page size [bytes] : 8192 > phys. address bits : 40 > max. addr. space # : 127 > BogoMIPS : 738.12 > kernel unaligned acc : 1646246 > (pc=fffffc000042a3d8,va=fffffc005d9b784e) > user unaligned acc : 0 (pc=0,va=0) > platform string : AlphaServer 4100 5/400 4MB > cpus detected : 4 > cpus active : 4 > cpu active mask : 000000000000000f > > [7.3.] Module information (from /proc/modules): > lister:/usr/src/linux # cat /proc/modules > tulip 59296 1 > via-rhine 16464 0 (autoclean) > > [7.4.] Loaded driver and hardware information (/proc/ioports, > /proc/iomem) > lister:/usr/src/linux # cat /proc/ioports > 00000000-0000ffff : PCI IO bus 0 > 00000000-0000001f : dma1 > 00000020-0000003f : pic1 > 00000040-0000005f : timer > 00000060-0000006f : keyboard > 00000070-00000080 : rtc > 00000070-0000007f : rtc > 000000a0-000000bf : pic2 > 000000c0-000000df : dma2 > 000002f8-000002ff : serial(auto) > 000003f8-000003ff : serial(auto) > 00008000-000080ff : VIA Technologies, Inc. Ethernet Controller > 00008000-000080ff : via-rhine > 00008400-0000847f : Digital Equipment Corporation DECchip 21140 > [FasterNet] > 00008400-0000847f : tulip > 200000000-20000ffff : PCI IO bus 1 > 200008000-2000080ff : Symbios Logic Inc. (formerly NCR) 53c810 > 200008000-20000807f : ncr53c8xx > 200009000-2000090fe : qlogicisp > lister:/usr/src/linux # cat /proc/iomem > 00000000-ffffffff : PCI mem bus 0 > 00000000-07ffffff : HAE0 > 02200000-0223ffff : Digital Equipment Corporation DECchip 21140 > [FasterNet] > 02240000-0224ffff : S3 Inc. 86c764/765 [Trio32/64/64V+] > 02250000-0225ffff : VIA Technologies, Inc. Ethernet Controller > 02260000-022600ff : VIA Technologies, Inc. Ethernet Controller > 02260000-022600ff : via-rhine > 02261000-0226107f : Digital Equipment Corporation DECchip 21140 > [FasterNet] > 02261000-0226107f : tulip > 200000000-2ffffffff : PCI mem bus 1 > 200000000-207ffffff : HAE0 > 202200000-2022000ff : Symbios Logic Inc. (formerly NCR) 53c810 > > [7.5.] PCI information ('lspci -vvv' as root) > lister:/usr/src/linux # lspci -vvv > 00:01.0 Non-VGA unclassified device: Intel Corporation 82375EB (rev 05) > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- > Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 32 > Interrupt: pin ? routed to IRQ 32 > > 00:02.0 VGA compatible controller: S3 Inc. 86c764/765 [Trio32/64/64V+] > (rev 54) (prog-if 00 [VGA]) > Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- > Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Interrupt: pin A routed to IRQ 16 > Region 0: Memory at 000000000c000000 (32-bit, non-prefetchable) > Expansion ROM at 0000000002240000 [size=64K] > > 00:03.0 Ethernet controller: Digital Equipment Corporation DECchip 21140 > [FasterNet] (rev 22) > Subsystem: Digital Equipment Corporation: Unknown device 500a > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- > ParErr+ Stepping- SERR+ FastB2B- > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 32 (5000ns min, 10000ns max), cache line size 10 > Interrupt: pin A routed to IRQ 20 > Region 0: I/O ports at 8400 [size=128] > Region 1: Memory at 0000000002261000 (32-bit, non-prefetchable) > [size=128] > Expansion ROM at 0000000002200000 [disabled] [size=256K] > > 00:05.0 Ethernet controller: VIA Technologies, Inc. Ethernet Controller > (rev 42) > Subsystem: D-Link System Inc: Unknown device 1400 > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr+ Stepping+ SERR+ FastB2B- > Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 32 (750ns min, 2000ns max), cache line size 10 > Interrupt: pin A routed to IRQ 28 > Region 0: I/O ports at 8000 [size=256] > Region 1: Memory at 0000000002260000 (32-bit, non-prefetchable) > [size=256] > Expansion ROM at 0000000002250000 [disabled] [size=64K] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA > PME(D0+,D1-,D2-,D3hot-,D3cold-) > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > > 01:01.0 SCSI storage controller: Symbios Logic Inc. (formerly NCR) > 53c810 (rev 02) > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr+ Stepping- SERR+ FastB2B- > Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 32 > Interrupt: pin A routed to IRQ 56 > Region 0: I/O ports at 200008000 [size=256] > Region 1: Memory at 0000000202200000 (32-bit, non-prefetchable) > [size=256] > > 01:02.0 PCI bridge: Digital Equipment Corporation DECchip 21050 (rev 02) > (prog-if 00 [Normal decode]) > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- > Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 32, cache line size 10 > Bus: primary=01, secondary=02, subordinate=02, sec-latency=0 > I/O behind bridge: 00009000-00009fff > Memory behind bridge: 02300000-023fffff > Prefetchable memory behind bridge: 00100000-000fffff > BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B- > > 02:00.0 SCSI storage controller: Q Logic ISP1020 (rev 02) > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr+ Stepping- SERR+ FastB2B- > Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- > <TAbort- <MAbort- >SERR- <PERR- > Latency: 32, cache line size 10 > Interrupt: pin A routed to IRQ 40 > Region 0: I/O ports at 200009000 [size=256] > Region 1: Memory at 0000000202310000 (32-bit, non-prefetchable) > [size=4K] > Expansion ROM at 0000000202300000 [disabled] [size=64K] > > [7.6.] SCSI information (from /proc/scsi/scsi) > lister:/usr/src/linux # cat /proc/scsi/scsi > Attached devices: > Host: scsi0 Channel: 00 Id: 00 Lun: 00 > Vendor: DEC Model: RZ1CB-CS (C) DEC Rev: 0844 > Type: Direct-Access ANSI SCSI revision: 02 > Host: scsi0 Channel: 00 Id: 01 Lun: 00 > Vendor: DEC Model: RZ1CB-CA (C) DEC Rev: LYJ0 > Type: Direct-Access ANSI SCSI revision: 02 > Host: scsi0 Channel: 00 Id: 02 Lun: 00 > Vendor: DEC Model: RZ1CB-CA (C) DEC Rev: LYJ0 > Type: Direct-Access ANSI SCSI revision: 02 > Host: scsi0 Channel: 00 Id: 03 Lun: 00 > Vendor: DEC Model: RZ1CB-CA (C) DEC Rev: LYJ0 > Type: Direct-Access ANSI SCSI revision: 02 > Host: scsi1 Channel: 00 Id: 05 Lun: 00 > Vendor: DEC Model: RRD45 (C) DEC Rev: 0436 > Type: CD-ROM ANSI SCSI revision: 02 > > [7.7.] Other information that might be relevant to the problem > (please look in /proc and include all information that you > think to be relevant): > > There is a tcpdump available. 4.6 megabytes for anyone who wants it. > > > > [X.] Other notes, patches, fixes, workarounds: > > During one of the slowdowns, the console appeared to lock up. holding > down the ALT key seemed to make it wake up. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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