I recently got a 128 MB USB flash drive, and when I plug it in, nothing shows up in /dev. It does show up in dmesg, however. Then, slowly over time, I get a repeating sequence of three error messages. If I unplug the device, it panics in uhci_device_ctrl_start with a null dereference. It looks like xfer->pipe is null. The system fails to sync and doesn't make a crash dump, but I'm guessing the real problem occurs earlier anyway. What can I do? Copyright (c) 1992-2004 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 5.2-CURRENT #4: Sat May 29 16:31:40 PDT 2004 brian_at_brian:/usr/obj/usr/src/sys/MYKERN Preloaded elf kernel "/boot/kernel/kernel" at 0xc07e4000. Preloaded elf module "/boot/kernel/snd_emu10k1.ko" at 0xc07e4244. Preloaded elf module "/boot/kernel/snd_pcm.ko" at 0xc07e42f4. Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: AMD Athlon(tm) XP 1800+ (1533.40-MHz 686-class CPU) Origin = "AuthenticAMD" Id = 0x662 Stepping = 2 Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE> AMD Features=0xc0480000<MP,AMIE,DSP,3DNow!> real memory = 1073676288 (1023 MB) avail memory = 1045340160 (996 MB) ACPI APIC Table: <AMIINT VIA_K7 > ioapic0 <Version 0.3> irqs 0-23 on motherboard random: <entropy source, Software, Yarrow> Pentium Pro MTRR support enabled acpi0: <AMIINT VIA_K7> on motherboard acpi0: [GIANT-LOCKED] pcibios: BIOS version 2.10 acpi0: Power Button (fixed) Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0 cpu0: <ACPI CPU> on acpi0 acpi_button0: <Power Button> on acpi0 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 pci0: <ACPI PCI bus> on pcib0 agp0: <VIA Generic host to PCI bridge> mem 0xe0000000-0xefffffff at device 0.0 on pci0 pcib1: <PCI-PCI bridge> at device 1.0 on pci0 pci1: <PCI bus> on pcib1 pcib1: slot 0 INTA is routed to irq 16 pci1: <display, VGA> at device 0.0 (no driver attached) dc0: <LC82C115 PNIC II 10/100BaseTX> port 0xe800-0xe8ff mem 0xdfffff00-0xdfffffff irq 17 at device 6.0 on pci0 miibus0: <MII bus> on dc0 dcphy0: <Intel 21143 NWAY media interface> on miibus0 dcphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto dc0: Ethernet address: 00:a0:cc:33:8e:1b dc0: [GIANT-LOCKED] pcm0: <Creative EMU10K1> port 0xe400-0xe41f irq 17 at device 10.0 on pci0 pcm0: <Cirrus Logic CS4297A AC97 Codec> pcm0: [GIANT-LOCKED] uhci0: <VIA 83C572 USB controller> port 0xd800-0xd81f irq 21 at device 16.0 on pci0 uhci0: [GIANT-LOCKED] usb0: <VIA 83C572 USB controller> on uhci0 usb0: USB revision 1.0 uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered ums0: Logitech USB-PS/2 Optical Mouse, rev 2.00/11.10, addr 2, iclass 3/1 ums0: 3 buttons and Z dir. ulpt0: EPSON USB Printer, rev 1.10/1.00, addr 3, iclass 7/1 ulpt0: using bi-directional mode uhci1: <VIA 83C572 USB controller> port 0xdc00-0xdc1f irq 21 at device 16.1 on pci0 uhci1: [GIANT-LOCKED] usb1: <VIA 83C572 USB controller> on uhci1 usb1: USB revision 1.0 uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub1: 2 ports with 2 removable, self powered uhci2: <VIA 83C572 USB controller> port 0xe000-0xe01f irq 21 at device 16.2 on pci0 uhci2: [GIANT-LOCKED] usb2: <VIA 83C572 USB controller> on uhci2 usb2: USB revision 1.0 uhub2: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub2: 2 ports with 2 removable, self powered pci0: <serial bus, USB> at device 16.3 (no driver attached) isab0: <PCI-ISA bridge> at device 17.0 on pci0 isa0: <ISA bus> on isab0 atapci0: <VIA 8235 UDMA133 controller> port 0xfc00-0xfc0f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 17.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata1: at 0x170 irq 15 on atapci0 acpi_button1: <Sleep Button> on acpi0 fdc0: I/O to control range incorrect sio0 port 0x3f8-0x3ff irq 4 on acpi0 sio0: type 16550A sio1 port 0x2f8-0x2ff irq 3 on acpi0 sio1: type 16550A ppc0 port 0x778-0x77b,0x378-0x37f irq 7 drq 3 on acpi0 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode ppc0: FIFO with 16/16/9 bytes threshold ppbus0: <Parallel port bus> on ppc0 lpt0: <Printer> on ppbus0 lpt0: Interrupt-driven port ppi0: <Parallel I/O> on ppbus0 atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0 atkbd0: <AT Keyboard> irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] fdc0: I/O to control range incorrect npx0: [FAST] npx0: <math processor> on motherboard npx0: INT 16 interface orm0: <Option ROM> at iomem 0xc0000-0xce7ff on isa0 pmtimer0 on isa0 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 sc0: <System console> at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 Timecounter "TSC" frequency 1533396263 Hz quality 800 Timecounters tick every 10.000 msec acpi_cpu: throttling enabled, 16 steps (100% to 6.2%), currently 100.0% ad0: 114473MB <WDC WD1200JB-00CRA0> [232581/16/63] at ata0-master UDMA100 ad1: 114473MB <WDC WD1200JB-00CRA1> [232581/16/63] at ata0-slave UDMA100 ad2: 78533MB <IC35L080AVVA07-0> [159560/16/63] at ata1-master UDMA100 acd0: CDRW <TDK DVDRW420N> at ata1-slave UDMA33 Mounting root from ufs:/dev/ad0s1a umass0: PNY Attache 2.0, rev 2.00/2.00, addr 2 umass0: BBB reset failed, TIMEOUT umass0: BBB bulk-in clear stall failed, TIMEOUT umass0: BBB bulk-out clear stall failed, TIMEOUT umass0: BBB reset failed, TIMEOUT umass0: BBB bulk-in clear stall failed, TIMEOUT umass0: BBB bulk-out clear stall failed, TIMEOUT umass0: BBB reset failed, TIMEOUT umass0: BBB bulk-in clear stall failed, TIMEOUT umass0: BBB bulk-out clear stall failed, TIMEOUT umass0: BBB reset failed, TIMEOUT umass0: BBB bulk-in clear stall failed, TIMEOUT umass0: BBB bulk-out clear stall failed, TIMEOUT umass0: BBB reset failed, TIMEOUT umass0: BBB bulk-in clear stall failed, TIMEOUT umass0: BBB bulk-out clear stall failed, TIMEOUTReceived on Sat May 29 2004 - 17:46:21 UTC
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