Hackers, Can anyone shed some light on the following problem:
OS: FreeBSD-current DP1 (dmesg attached) Laptop: Toshiba Tecra 8100 (docked) Hardware: 3Com Bluetooth USB dongle, 3Com Bluetooth PC-CARD Xircom CBT PC-CARD (with 16550A UART) First of all, irq 11 gets shared between PC-CARD controller, USB controller, NIC in docking station (see dmesg). Everything that i plug into PC-CARD slots also get irq 11 (which is normal - i think). Also i have disabled "interrupt harvesting". My tests are very simple. I plug USB dongle and one PC-CARD and try to pump data between them as fast as possible. The data blocks sizes are between 63 and 1500 bytes. The Xircom card just does not work :( I' getting a lot of "silo overflow" messages no matter what i try. I checked list archives and source - not much look. Is "sio" driver totally hopeless? The 3Com PC-CARD is a little bit better, but after some time it also starting to drop bytes. This morning i change 3Com driver to use polling, and, to my extreme surprise it work much, much better now. Also the interrupt load (according to top) has reduced to at least half. I have not noticed any system slow down. So what is up this that? Does that mean that for slow devices like serial ports etc. polling is better? Does anyone tried to use polling in "sio" driver? I just can't believe that FreeBSD on my Pentium-III/600 can't handle lousy 500-700 interrupts a second from PC-CARD. Can anyone point me into right direction, because i'm obviously doing something wrong here. thanks, max
Aug 9 10:10:08 beetle kernel: Copyright (c) 1992-2002 The FreeBSD Project. Aug 9 10:10:08 beetle kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 Aug 9 10:10:08 beetle kernel: The Regents of the University of California. All rights reserved. Aug 9 10:10:08 beetle kernel: FreeBSD 5.0-DP1 #20: Thu Aug 8 15:54:09 PDT 2002 Aug 9 10:10:08 beetle kernel: [EMAIL PROTECTED]:/usr/src/sys/i386/compile/BEETLE Aug 9 10:10:08 beetle kernel: Preloaded elf kernel "/boot/kernel/kernel" at 0xc0374000. Aug 9 10:10:08 beetle kernel: Preloaded elf module "/boot/kernel/nmdm.ko" at 0xc03740a8. Aug 9 10:10:08 beetle kernel: Timecounter "i8254" frequency 1193182 Hz Aug 9 10:10:08 beetle kernel: Timecounter "TSC" frequency 597786416 Hz Aug 9 10:10:08 beetle kernel: CPU: Pentium III/Pentium III Xeon/Celeron (597.79-MHz 686-class CPU) Aug 9 10:10:08 beetle kernel: Origin = "GenuineIntel" Id = 0x681 Stepping = 1 Aug 9 10:10:08 beetle kernel: Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE> Aug 9 10:10:08 beetle kernel: real memory = 201195520 (196480K bytes) Aug 9 10:10:08 beetle kernel: avail memory = 191938560 (187440K bytes) Aug 9 10:10:08 beetle kernel: Pentium Pro MTRR support enabled Aug 9 10:10:08 beetle kernel: Using $PIR table, 10 entries at 0xc00f4ee0 Aug 9 10:10:08 beetle kernel: npx0: <math processor> on motherboard Aug 9 10:10:08 beetle kernel: npx0: INT 16 interface Aug 9 10:10:08 beetle kernel: pcib0: <Intel 82443BX (440 BX) host to PCI bridge> at pcibus 0 on motherboard Aug 9 10:10:08 beetle kernel: pci0: <PCI bus> on pcib0 Aug 9 10:10:08 beetle kernel: pcib1: <PCI-PCI bridge> at device 1.0 on pci0 Aug 9 10:10:08 beetle kernel: pci1: <PCI bus> on pcib1 Aug 9 10:10:08 beetle kernel: pci1: <display, VGA> at device 0.0 (no driver attached) Aug 9 10:10:08 beetle kernel: isab0: <PCI-ISA bridge> at device 3.0 on pci0 Aug 9 10:10:08 beetle kernel: isa0: <ISA bus> on isab0 Aug 9 10:10:08 beetle kernel: isab1: <PCI-ISA bridge> at device 5.0 on pci0 Aug 9 10:10:08 beetle kernel: atapci0: <Intel PIIX4 ATA33 controller> port 0xfff0-0xffff at device 5.1 on pci0 Aug 9 10:10:08 beetle kernel: ata0: at 0x1f0 irq 14 on atapci0 Aug 9 10:10:08 beetle kernel: ata1: at 0x170 irq 15 on atapci0 Aug 9 10:10:08 beetle kernel: uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xff80-0xff9f irq 11 at device 5.2 on pci0 Aug 9 10:10:08 beetle kernel: usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0 Aug 9 10:10:08 beetle kernel: usb0: USB revision 1.0 Aug 9 10:10:08 beetle kernel: uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 Aug 9 10:10:08 beetle kernel: uhub0: 2 ports with 2 removable, self powered Aug 9 10:10:08 beetle kernel: uhub1: Texas Instruments UT-USB41 hub, class 9/0, rev 1.00/1.00, addr 2 Aug 9 10:10:08 beetle kernel: uhub1: 4 ports with 4 removable, self powered Aug 9 10:10:08 beetle kernel: pci0: <bridge, PCI-unknown> at device 5.3 (no driver attached) Aug 9 10:10:08 beetle kernel: pci0: <unknown> at device 9.0 (no driver attached) Aug 9 10:10:08 beetle kernel: pci_cfgintr_linked: linked (60) to hard-routed irq 11 Aug 9 10:10:08 beetle kernel: pci_cfgintr: 0:11 INTA routed to irq 11 Aug 9 10:10:08 beetle kernel: pcic0: <Toshiba ToPIC100 PCI-CardBus Bridge> irq 11 at device 11.0 on pci0 Aug 9 10:10:08 beetle kernel: pcic0: PCI Memory allocated: 0x44000000 Aug 9 10:10:08 beetle kernel: pccard0: <PC Card bus (classic)> on pcic0 Aug 9 10:10:08 beetle kernel: pci_cfgintr_linked: linked (61) to hard-routed irq 11 Aug 9 10:10:08 beetle kernel: pci_cfgintr: 0:11 INTB routed to irq 11 Aug 9 10:10:08 beetle kernel: pcic1: <Toshiba ToPIC100 PCI-CardBus Bridge> irq 11 at device 11.1 on pci0 Aug 9 10:10:08 beetle kernel: pcic1: PCI Memory allocated: 0x44001000 Aug 9 10:10:08 beetle kernel: pccard1: <PC Card bus (classic)> on pcic1 Aug 9 10:10:08 beetle kernel: pci0: <multimedia, audio> at device 12.0 (no driver attached) Aug 9 10:10:08 beetle kernel: xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xfd80-0xfdff mem 0xefff7f80-0xefff7fff irq 11 at device 15.0 on pci0 Aug 9 10:10:08 beetle kernel: xl0: Ethernet address: 00:00:39:8c:1e:26 Aug 9 10:10:08 beetle kernel: miibus0: <MII bus> on xl0 Aug 9 10:10:08 beetle kernel: xlphy0: <3c905C 10/100 internal PHY> on miibus0 Aug 9 10:10:08 beetle kernel: xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto Aug 9 10:10:08 beetle kernel: orm0: <Option ROM> at iomem 0xc0000-0xcbfff on isa0 Aug 9 10:10:08 beetle kernel: atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0 Aug 9 10:10:08 beetle kernel: atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0 Aug 9 10:10:08 beetle kernel: kbd0 at atkbd0 Aug 9 10:10:08 beetle kernel: psm0: <PS/2 Mouse> irq 12 on atkbdc0 Aug 9 10:10:08 beetle kernel: psm0: model MouseMan+, device ID 0 Aug 9 10:10:08 beetle kernel: fdc0: <enhanced floppy controller (i82077, NE72065 or clone)> at port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on isa0 Aug 9 10:10:08 beetle kernel: pmtimer0 on isa0 Aug 9 10:10:08 beetle kernel: sc0: <System console> at flags 0x100 on isa0 Aug 9 10:10:08 beetle kernel: sc0: VGA <16 virtual consoles, flags=0x300> Aug 9 10:10:08 beetle kernel: sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 Aug 9 10:10:08 beetle kernel: sio0: type 16550A Aug 9 10:10:08 beetle kernel: vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 Aug 9 10:10:08 beetle kernel: unknown: <PNP0303> can't assign resources (port) Aug 9 10:10:08 beetle kernel: unknown: <PNP0f13> can't assign resources (irq) Aug 9 10:10:08 beetle kernel: unknown: <PNP0700> can't assign resources (port) Aug 9 10:10:08 beetle kernel: unknown: <PNP0501> can't assign resources (port) Aug 9 10:10:08 beetle kernel: IP packet filtering initialized, divert enabled, rule-based forwarding disabled, default to deny, logging disabled Aug 9 10:10:08 beetle kernel: ata1-slave: timeout waiting for interrupt Aug 9 10:10:08 beetle kernel: ata1-slave: ATAPI identify failed Aug 9 10:10:08 beetle kernel: ad0: 11513MB <IBM-DARA-212000> [23392/16/63] at ata0-master UDMA33 Aug 9 10:10:08 beetle kernel: acd0: DVD-ROM <TOSHIBA DVD-ROM SD-C2302> at ata1-master PIO4 Aug 9 10:10:08 beetle kernel: Mounting root from ufs:/dev/ad0s2a Aug 9 10:10:08 beetle savecore: no core dump Aug 9 10:10:09 beetle rpcbind: cannot create socket for udp6 Aug 9 10:10:09 beetle rpcbind: cannot create socket for tcp6 Aug 9 10:10:09 beetle lpd[209]: lpd startup: logging=0 Aug 9 10:10:14 beetle kernel: /dev/vmmon: Module vmmon: registered with major=200 minor=0 tag=$Name: build-570 $ Aug 9 10:10:14 beetle kernel: /dev/vmmon: Module vmmon: initialized Aug 9 10:10:33 beetle kernel: WARNING: driver ptc should register devices with make_dev() (dev_t = "#ptc/0")