Folks, I'm running Release 5.1 on an IBM Xseries 220. I've recently attached a HP psc 2175 printer/scanner which includes photo memory card slots. It connects via usb. As you can see at the tail of the dmesg output below that when the printer is powered on the usb driver sets up ulpt0 and da1. The da1 is setup to handle the photo memory cards.
The problem is that if the printer is plugged in and turned on at boot time the driver assigns da0 to the umass device which is where the kernel expects to find my root file system. So, the system hangs. I see three possible methods to work around this: 1) Remove usb from the kernel and load usb.ko after the system has booted. 2) Somehow change the order of device probes by the kernel so that the kernel probes for scsi devices before usb devices. 3) Specify somehow via device.hints that the usb driver should assign da1 to the umass device I'm suspect that #1 will work (I haven't tried it yet) but I'm interested in #2 & #3. I haven't found an answer in the documentation. Is there a (not too convoluted) way to change the boot time probe sequence? Can device hints assign device numbers either in general or specifically for umass devices? thanks dayton PS. There doesn't appear to be a way to disable the memory card ports on the printer. Copyright (c) 1992-2003 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 5.1-RELEASE #0: Thu Jun 5 02:55:42 GMT 2003 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC Preloaded elf kernel "/boot/kernel/kernel" at 0xc0689000. Timecounter "i8254" frequency 1193182 Hz Timecounter "TSC" frequency 932892131 Hz CPU: Intel Pentium III (932.89-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x68a Stepping = 10 Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE> real memory = 134139904 (127 MB) avail memory = 123236352 (117 MB) Pentium Pro MTRR support enabled npx0: <math processor> on motherboard npx0: INT 16 interface pcibios: BIOS version 2.10 pcib0: <ServerWorks NB6635 3.0LE host to PCI bridge> at pcibus 0 on motherboard pci0: <PCI bus> on pcib0 pci0: <display, VGA> at device 1.0 (no driver attached) fxp0: <Intel 82557/8/9 EtherExpress Pro/100(B) Ethernet> port 0x2000-0x203f mem 0xfea00000-0xfeafffff,0xfeb7f000-0xfeb7ffff irq 11 at device 2.0 on pci0 fxp0: Ethernet address 00:02:55:6d:12:f4 miibus0: <MII bus> on fxp0 inphy0: <i82555 10/100 media interface> on miibus0 inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto isab0: <PCI-ISA bridge> port 0x440-0x44f at device 15.0 on pci0 isa0: <ISA bus> on isab0 atapci0: <ServerWorks ROSB4 UDMA33 controller> port 0x700-0x70f at device 15.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata1: at 0x170 irq 15 on atapci0 ohci0: <OHCI (generic) USB controller> mem 0xfeb7e000-0xfeb7efff irq 10 at device 15.2 on pci0 usb0: OHCI version 1.0, legacy support usb0: <OHCI (generic) USB controller> on ohci0 usb0: USB revision 1.0 uhub0: (0x1166) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 4 ports with 4 removable, self powered pcib1: <ServerWorks NB6635 3.0LE host to PCI bridge> at pcibus 1 on motherboard pci1: <PCI bus> on pcib1 ahc0: <Adaptec aic7892 Ultra160 SCSI adapter> port 0x2100-0x21ff mem 0xeffff000-0xefffffff irq 9 at device 3.0 on pci1 aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs orm0: <Option ROM> at iomem 0xc0000-0xc9fff on isa0 pmtimer0 on isa0 atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0 atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0 kbd0 at atkbd0 psm0: failed to get data. psm0: <PS/2 Mouse> irq 12 on atkbdc0 psm0: model Generic PS/2 mouse, device ID 0 fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> at port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on isa0 fdc0: FIFO enabled, 8 bytes threshold fd0: <1440-KB 3.5" drive> on fdc0 drive 0 ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0 ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode ppbus0: <Parallel port bus> on ppc0 plip0: <PLIP network interface> on ppbus0 lpt0: <Printer> on ppbus0 lpt0: Interrupt-driven port ppi0: <Parallel I/O> on ppbus0 sc0: <System console> at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 sio0: type 16550A sio1 at port 0x2f8-0x2ff irq 3 on isa0 sio1: type 16550A vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 unknown: <PNP0501> can't assign resources (port) unknown: <PNP0501> can't assign resources (port) unknown: <PNP0401> can't assign resources (port) unknown: <PNP0700> can't assign resources (port) unknown: <PNP0f13> can't assign resources (irq) unknown: <PNP0303> can't assign resources (port) Timecounters tick every 10.000 msec acd0: CDROM <LG CD-ROM CRD-8484B> at ata0-master PIO4 Waiting 15 seconds for SCSI devices to settle da0 at ahc0 bus 0 target 0 lun 0 da0: <IBM-ESXS ST318305LW !# B244> Fixed Direct Access SCSI-3 device da0: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged Queueing Enabled da0: 17357MB (35548320 512 byte sectors: 255H 63S/T 2212C) Mounting root from ufs:/dev/da0s1a usb0: 1 scheduling overruns usb0: 1 scheduling overruns usb0: 1 scheduling overruns usb0: 1 scheduling overruns usb0: 1 scheduling overruns usb0: 1 scheduling overruns usb0: 1 scheduling overruns ulpt0: Hewlett-Packard PSC 2170 Series, rev 2.00/1.00, addr 2, iclass 7/1 ulpt0: using bi-directional mode umass0: Hewlett-Packard PSC 2170 Series, rev 2.00/1.00, addr 2 da1 at umass-sim0 bus 0 target 0 lun 0 da1: <HP psc 2175 1.00> Removable Direct Access SCSI-2 device da1: 1.000MB/s transfers da1: Attempt to query device size failed: NOT READY, Medium not present (da1:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 (da1:umass-sim0:0:0:0): CAM Status: SCSI Status Error (da1:umass-sim0:0:0:0): SCSI Status: Check Condition (da1:umass-sim0:0:0:0): NOT READY asc:3a,0 (da1:umass-sim0:0:0:0): Medium not present (da1:umass-sim0:0:0:0): Unretryable error Opened disk da1 -> 6 (da1:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0 (da1:umass-sim0:0:0:0): CAM Status: SCSI Status Error (da1:umass-sim0:0:0:0): SCSI Status: Check Condition (da1:umass-sim0:0:0:0): NOT READY asc:3a,0 (da1:umass-sim0:0:0:0): Medium not present (da1:umass-sim0:0:0:0): Unretryable error Opened disk da1 -> 6 _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"