Hi, Thanks for reporting. This bug looks like a glitch on my side when introducing Zero-copy in UMASS. Try the following patch: http://perforce.freebsd.org/chv.cgi?CH=156005 --HPS On Monday 12 January 2009, WATANABE Kazuhiro wrote: > Hi, all. > > I have an USB floppy drive which works well on 7.1-RELEASE, and > 8-current with the old USB stack. > > ***** > umass0: <Y-E DATA USB Floppy Drive, class 0/0, rev 1.10/5.01, addr 2> on > uhub0 da0 at umass-sim0 bus 0 target 0 lun 0 > da0: <Y-E DATA USB-FDU 5.01> Removable Direct Access SCSI-0 device > da0: 20KB/s transfers > da0: Attempt to query device size failed: NOT READY, Medium not present > > port 1 addr 2: full speed, power 500 mA, config 1, USB Floppy > Drive(0x0000), Y-E DATA(0x057b), rev 5.01 ***** > > When I connect the floppy drive to the system with the new USB2 stack, > it causes a kernel panic. > > > Here is a stack trace and dmesg output. > > capricorn# kgdb /boot/kernel/kernel.symbols /var/crash/vmcore.0 > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you > are welcome to change it and/or distribute copies of it under certain > conditions. Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "i386-marcel-freebsd"... > > Unread portion of the kernel message buffer: > umass0:1:0:-1: Attached to scbus1 > Kernel page fault with the following non-sleepable locks held: > exclusive sleep mutex UMASS lock (UMASS lock) r = 0 (0xc0d69800) locked _at_ > /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_transfer.c:1781 KDB: stack > backtrace: > db_trace_self_wrapper(c0c1f7c2,cc93ea28,c088f145,c0c0d089,6f5,...) at > db_trace_self_wrapper+0x26 > kdb_backtrace(c0c0d089,6f5,ffffffff,c0eabdc4,cc93ea60,...) at > kdb_backtrace+0x29 _witness_debugger(c0c21ae3,cc93ea74,4,1,0,...) at > _witness_debugger+0x25 witness_warn(5,0,c0c53da2,c28d3b40,c288ea90,...) at > witness_warn+0x1fd trap(cc93eb00) at trap+0x152 > calltrap() at calltrap+0x6 > --- trap 0xc, eip = 0xc0b32da5, esp = 0xcc93eb40, ebp = 0xcc93eb78 --- > bus_dmamap_load(c29a4e80,c0ef2bc0,0,24,c077e8b0,...) at > bus_dmamap_load+0xd5 usb2_pc_load_mem(c2b87f80,24,0,4cf,c0c02651,...) at > usb2_pc_load_mem+0x125 > usb2_bdma_work_loop(c2b86000,c2b86400,10000ca,c2b4a900,1,...) at > usb2_bdma_work_loop+0x2b5 > usb2_command_wrapper(c2b86000,c2b86400,c0c0d089,55b,c28d3be4,...) at > usb2_command_wrapper+0x116 > usb2_start_hardware(c2b86400,c084127c,c2690b68,4,c0c1ac2a,...) at > usb2_start_hardware+0x6eb > umass_t_cbi_data_read_callback(c2b86400,0,c0c0d089,752,c0eabdc0,...) at > umass_t_cbi_data_read_callback+0xfe > usb2_callback_wrapper(c2b86014,6f6,0,c2b86000,c2b86000,...) at > usb2_callback_wrapper+0x63a > usb2_command_wrapper(c2b86014,0,c0c0d089,6f6,c2b86028,...) at > usb2_command_wrapper+0x116 > usb2_callback_proc(c2b86028,c2690b68,c0c0cc24,51,c0d704c0,...) at > usb2_callback_proc+0x9b > usb2_process(c2b86078,cc93ed38,c0c18395,32d,c288ea90,...) at > usb2_process+0xde fork_exit(c07906b0,c2b86078,cc93ed38) at fork_exit+0xb8 > fork_trampoline() at fork_trampoline+0x8 > --- trap 0, eip = 0, esp = 0xcc93ed70, ebp = 0 --- > > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0xbfc00000 > fault code = supervisor read, page not present > instruction pointer = 0x20:0xc0b32da5 > stack pointer = 0x28:0xcc93eb40 > frame pointer = 0x28:0xcc93eb78 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 1338 (USBPROC) > lock order reversal: (Giant after non-sleepable) > 1st 0xc0d69800 UMASS lock (UMASS lock) _at_ > /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_transfer.c:1781 2nd 0xc0d6bfb0 > Giant (Giant) _at_ /FreeBSD/HEAD/src/sys/dev/kbdmux/kbdmux.c:1044 KDB: stack > backtrace: > panic: from debugger > cpuid = 0 > Uptime: 2m8s > Physical memory: 223 MB > Dumping 40 MB: 25 9 > > Reading symbols from /boot/kernel/green_saver.ko...Reading symbols from > /boot/kernel/green_saver.ko.symbols...done. done. > Loaded symbols for /boot/kernel/green_saver.ko > #0 doadump () at pcpu.h:246 > 246 pcpu.h: No such file or directory. > in pcpu.h > (kgdb) where > #0 doadump () at pcpu.h:246 > #1 0xc084fe5e in boot (howto=260) > at /FreeBSD/HEAD/src/sys/kern/kern_shutdown.c:420 > #2 0xc0850132 in panic (fmt=Variable "fmt" is not available. > ) > at /FreeBSD/HEAD/src/sys/kern/kern_shutdown.c:576 > #3 0xc04bdc27 in db_panic (addr=Could not find the frame base for > "db_panic". ) > at /FreeBSD/HEAD/src/sys/ddb/db_command.c:478 > #4 0xc04be251 in db_command (last_cmdp=0xc0d3a55c, cmd_table=0x0, > dopager=1) at /FreeBSD/HEAD/src/sys/ddb/db_command.c:445 > #5 0xc04be3aa in db_command_loop () > at /FreeBSD/HEAD/src/sys/ddb/db_command.c:498 > #6 0xc04c020d in db_trap (type=12, code=0) > at /FreeBSD/HEAD/src/sys/ddb/db_main.c:229 > #7 0xc087d7f6 in kdb_trap (type=12, code=0, tf=0xcc93eb00) > at /FreeBSD/HEAD/src/sys/kern/subr_kdb.c:534 > #8 0xc0b50e0f in trap_fatal (frame=0xcc93eb00, eva=3217031168) > at /FreeBSD/HEAD/src/sys/i386/i386/trap.c:920 > #9 0xc0b51740 in trap (frame=0xcc93eb00) > at /FreeBSD/HEAD/src/sys/i386/i386/trap.c:318 > #10 0xc0b35b6b in calltrap () > at /FreeBSD/HEAD/src/sys/i386/i386/exception.s:165 > #11 0xc0b32da5 in bus_dmamap_load (dmat=0xc29a4e80, map=0xc0ef2bc0, > buf=0x0, buflen=36, callback=0xc077e8b0 <usb2_pc_load_mem_cb>, > callback_arg=0xc2b87f80, flags=0) at pmap.h:282 > ---Type <return> to continue, or q <return> to quit--- > #12 0xc077e415 in usb2_pc_load_mem (pc=0xc2b87f80, size=36, sync=0 '\0') > at /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_busdma.c:635 > #13 0xc077e705 in usb2_bdma_work_loop (pq=0xc2b86000) > at /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_busdma.c:1318 > #14 0xc0793076 in usb2_command_wrapper (pq=0xc2b86000, xfer=0xc2b86400) > at /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_transfer.c:2484 > #15 0xc079434b in usb2_start_hardware (xfer=0xc2b86400) > at /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_transfer.c:1491 > #16 0xc077c19e in umass_t_cbi_data_read_callback (xfer=0xc2b86400) > at /FreeBSD/HEAD/src/sys/dev/usb2/storage/umass2.c:2414 > #17 0xc07956da in usb2_callback_wrapper (pq=0xc2b86014) > at /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_transfer.c:1911 > #18 0xc0793076 in usb2_command_wrapper (pq=0xc2b86014, xfer=0x0) > at /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_transfer.c:2484 > #19 0xc079315b in usb2_callback_proc (_pm=0xc2b86028) > at /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_transfer.c:1785 > #20 0xc079078e in usb2_process (arg=0xc2b86078) > at /FreeBSD/HEAD/src/sys/dev/usb2/core/usb2_process.c:139 > #21 0xc082ce48 in fork_exit (callout=0xc07906b0 <usb2_process>, > arg=0xc2b86078, frame=0xcc93ed38) > at /FreeBSD/HEAD/src/sys/kern/kern_fork.c:821 > #22 0xc0b35be0 in fork_trampoline () > at /FreeBSD/HEAD/src/sys/i386/i386/exception.s:270 > (kgdb) quit > capricorn# > > > Copyright (c) 1992-2009 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 is a registered trademark of The FreeBSD Foundation. > FreeBSD 8.0-CURRENT #1: Sun Jan 11 22:14:07 JST 2009 > nabe_at_capricorn:/FreeBSD/obj/i386/HEAD/FreeBSD/HEAD/src/sys/USB2 > WARNING: WITNESS option enabled, expect reduced performance. > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Intel(R) Pentium(R) 4 CPU 2.00GHz (1991.92-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf24 Stepping = 4 > > Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MC >A,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM> real memory > = 251592704 (239 MB) > avail memory = 227368960 (216 MB) > ACPI APIC Table: <NEC DModel29> > ioapic0 <Version 1.1> irqs 0-23 on motherboard > lapic0: Forcing LINT1 to edge trigger > kbd0 at kbdmux0 > acpi0: <NEC DModel29> on motherboard > acpi0: [ITHREAD] > acpi0: Power Button (fixed) > Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 > acpi_timer0: <24-bit timer at 3.579545MHz> port 0x8008-0x800b on acpi0 > pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 > pci0: <ACPI PCI bus> on pcib0 > agp0: <SiS 651 host to AGP bridge> on hostb0 > pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0 > pci1: <ACPI PCI bus> on pcib1 > vgapci0: <VGA-compatible display> port 0x9000-0x907f mem > 0xf0000000-0xf7ffffff,0xec100000-0xec11ffff irq 16 at device 0.0 on pci1 > isab0: <PCI-ISA bridge> at device 2.0 on pci0 > isa0: <ISA bus> on isab0 > atapci0: <SiS 962/963 UDMA133 controller> port > 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1000-0x100f at device 2.5 on pci0 > ata0: <ATA channel 0> on atapci0 > ata0: [ITHREAD] > ata1: <ATA channel 1> on atapci0 > ata1: [ITHREAD] > pci0: <multimedia, audio> at device 2.7 (no driver attached) > ohci0: <SiS 5571 USB controller> mem 0xec000000-0xec000fff irq 20 at device > 3.0 on pci0 ohci0: [ITHREAD] > usbus0: <SiS 5571 USB controller> on ohci0 > ohci1: <SiS 5571 USB controller> mem 0xec001000-0xec001fff irq 21 at device > 3.1 on pci0 ohci1: [ITHREAD] > usbus1: <SiS 5571 USB controller> on ohci1 > ohci2: <SiS 5571 USB controller> mem 0xec002000-0xec002fff irq 22 at device > 3.2 on pci0 ohci2: [ITHREAD] > usbus2: <SiS 5571 USB controller> on ohci2 > ehci0: <EHCI (generic) USB 2.0 controller> mem 0xec003000-0xec003fff irq 23 > at device 3.3 on pci0 ehci0: [ITHREAD] > usbus3: EHCI version 1.0 > usbus3: <EHCI (generic) USB 2.0 controller> on ehci0 > fwohci0: <NEC uPD72874> mem 0xec004000-0xec004fff irq 18 at device 6.0 on > pci0 fwohci0: [FILTER] > fwohci0: OHCI version 1.10 (ROM=1) > fwohci0: No. of Isochronous channels is 4. > fwohci0: EUI64 00:00:4c:e0:26:82:00:a8 > fwohci0: Phy 1394a available S400, 3 ports. > fwohci0: Link S400, max_rec 2048 bytes. > firewire0: <IEEE1394(FireWire) bus> on fwohci0 > dcons_crom0: <dcons configuration ROM> on firewire0 > dcons_crom0: bus_addr 0xeb80000 > fwe0: <Ethernet over FireWire> on firewire0 > if_fwe0: Fake Ethernet address: 02:00:4c:82:00:a8 > fwe0: Ethernet address: 02:00:4c:82:00:a8 > fwip0: <IP over FireWire> on firewire0 > fwip0: Firewire address: 00:00:4c:e0:26:82:00:a8 _at_ 0xfffe00000000, S400, > maxrec 2048 sbp0: <SBP-2/SCSI over FireWire> on firewire0 > fwohci0: Initiate bus reset > fwohci0: BUS reset > fwohci0: node_id=0xc000ffc0, gen=1, CYCLEMASTER mode > cbb0: <RF5C476 PCI-CardBus Bridge> at device 8.0 on pci0 > cardbus0: <CardBus bus> on cbb0 > pccard0: <16-bit PCCard bus> on cbb0 > cbb0: [FILTER] > cbb1: <RF5C476 PCI-CardBus Bridge> at device 8.1 on pci0 > cardbus1: <CardBus bus> on cbb1 > pccard1: <16-bit PCCard bus> on cbb1 > cbb1: [FILTER] > pci0: <simple comms, UART> at device 16.0 (no driver attached) > pci0: <simple comms> at device 18.0 (no driver attached) > dc0: <ADMtek ADM9511 10/100BaseTX> port 0x1c00-0x1cff mem > 0xec005400-0xec0057ff irq 17 at device 20.0 on pci0 miibus0: <MII bus> on > dc0 > acphy0: <ACXXX 10/100 media interface> PHY 1 on miibus0 > acphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto > dc0: Ethernet address: 00:90:96:xx:xx:xx > dc0: [ITHREAD] > pci0: <simple comms, generic modem> at device 20.1 (no driver attached) > acpi_button0: <Power Button> on acpi0 > atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0 > atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0 > atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0 > kbd1 at atkbd0 > atkbd0: [GIANT-LOCKED] > atkbd0: [ITHREAD] > psm0: <PS/2 Mouse> irq 12 on atkbdc0 > psm0: [GIANT-LOCKED] > psm0: [ITHREAD] > psm0: model IntelliMouse, device ID 3 > ppc0: <Parallel port> port 0x378-0x37f irq 7 on acpi0 > ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode > ppc0: [GIANT-LOCKED] > ppc0: [ITHREAD] > ppbus0: <Parallel port bus> on ppc0 > plip0: <PLIP network interface> on ppbus0 > plip0: WARNING: using obsoleted IFF_NEEDSGIANT flag > lpt0: <Printer> on ppbus0 > lpt0: Interrupt-driven port > ppi0: <Parallel I/O> on ppbus0 > cpu0: <ACPI CPU> on acpi0 > p4tcc0: <CPU Frequency Thermal Control> on cpu0 > pmtimer0 on isa0 > orm0: <ISA Option ROMs> at iomem > 0xc0000-0xcbfff,0xcc000-0xce7ff,0xe0000-0xe3fff,0xe4000-0xe47ff,0xe4800-0xe >ffff pnpid ORM0000 on isa0 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 1991920060 Hz quality 800 > Timecounters tick every 1.000 msec > firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me) > firewire0: bus manager 0 (me) > usbus0: 12Mbps Full Speed USB v1.0 > usbus1: 12Mbps Full Speed USB v1.0 > usbus2: 12Mbps Full Speed USB v1.0 > usbus3: 480Mbps High Speed USB v2.0 > ugen0.1: <SiS> at usbus0 > ushub0: <SiS OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0 > ugen1.1: <SiS> at usbus1 > ushub1: <SiS OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1 > ugen2.1: <SiS> at usbus2 > ushub2: <SiS OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2 > ugen3.1: <SiS> at usbus3 > ushub3: <SiS EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3 > ad0: 78147MB <Seagate ST380020A 3.99> at ata0-master UDMA100 > ushub0: 2 ports with 2 removable, self powered > ushub1: 2 ports with 2 removable, self powered > ushub2: 2 ports with 2 removable, self powered > acd0: CDRW <TOSHIBA DVD-ROM SD-R1202/1N37> at ata1-master UDMA33 > GEOM: ad0s2: geometry does not match label (255h,63s != 16h,63s). > GEOM: ad0s3: geometry does not match label (255h,63s != 16h,63s). > GEOM_LABEL: Label for provider ad0s4 is msdosfs/NEC-RESTORE. > ushub3: 6 ports with 6 removable, self powered > ugen3.2: <NEC> at usbus3 > ushub4: <NEC product 0x0058, class 9/0, rev 2.00/1.00, addr 2> on usbus3 > ushub4: 4 ports with 4 removable, self powered > WARNING: WITNESS option enabled, expect reduced performance. > Trying to mount root from ufs:/dev/ad0s3a > > --- > WATANABE Kazuhiro (CQG00620_at_nifty.ne.jp) > _______________________________________________ > freebsd-current_at_freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"Received on Mon Jan 12 2009 - 07:35:08 UTC
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