I don't see how thread could have jumped from kern_sendit() to xpt_action(). There either are a whole lot of missing stack frames, or some freaky preemption happened that screwed up the stack. Scott Anish Mistry wrote: > On Wednesday 26 April 2006 00:55, Scott Long wrote: > >>This trace doesn't make much sense. Maybe FUSE is inappropriately >>messing with CAM internals? > > Fuse doesn't seem to use CAM at all, and Fuse didn't have any active > mounts anytime during that boot. I seriously doubt I can reproduce > this so I guess it'll just be relegated to the archives. I do have a > crash dump if anyone is interested. > > >>Scott >> >>Anish Mistry wrote: >> >>>I got the above panic from CURRENT as of April 19th. I wasn't >>>running anything cam related, at least I don't think so. The >>>system was just idle. >>> >>>Unread portion of the kernel message buffer: >>>panic: mutex Giant not owned at /usr/src/sys/cam/cam_xpt.c:4837 >>>KDB: enter: panic >>>panic: from debugger >>>Uptime: 6h41m53s >>>Dumping 239 MB (2 chunks) >>> chunk 0: 1MB (156 pages) ... ok >>> chunk 1: 239MB (61152 pages) 223 207 191 175 159 143 127 111 95 >>>79 63 47 31 15 >>> >>>#0 doadump () at pcpu.h:166 >>>166 pcpu.h: No such file or directory. >>> in pcpu.h >>>(kgdb) bt >>>#0 doadump () at pcpu.h:166 >>>#1 0xc04cc445 in boot (howto=260) >>>at /usr/src/sys/kern/kern_shutdown.c:409 >>>#2 0xc04cbfa3 in panic (fmt=0xc061ce45 "from debugger") >>> at /usr/src/sys/kern/kern_shutdown.c:565 >>>#3 0xc0442e2d in db_panic (addr=-1068598180, have_addr=0, >>>count=-1, modif=0xcca4b958 "") at >>>/usr/src/sys/ddb/db_command.c:426 #4 0xc04431ba in >>>db_command_loop () >>>at /usr/src/sys/ddb/db_command.c:395 >>>#5 0xc0444da3 in db_trap (type=3, code=0) >>>at /usr/src/sys/ddb/db_main.c:221 >>>#6 0xc04e807b in kdb_trap (type=3, code=0, tf=0x0) >>> at /usr/src/sys/kern/subr_kdb.c:481 >>>#7 0xc05ff23c in trap (frame= >>> {tf_fs = 8, tf_es = 40, tf_ds = 40, tf_edi = -1030784912, >>>tf_esi = -1067285255, tf_ebp = -861619444, tf_isp = -861619464, >>>tf_ebx = -861619404, tf_edx = -1067281663, tf_ecx = -1056878592, >>>tf_eax = -1067272577, tf_trapno = 3, tf_err = 0, tf_eip = >>>-1068598180, tf_cs = 32, tf_eflags = 642, tf_esp = -861619416, >>>tf_ss = -1068711934}) at /usr/src/sys/i386/i386/trap.c:622 >>>#8 0xc05f0afa in calltrap () >>>at /usr/src/sys/i386/i386/exception.s:138 >>>#9 0xc04e7c5c in kdb_enter (msg=0xc062b67f "KDB: enter: %s\n") >>>at cpufunc.h:60 >>>#10 0xc04cc002 in panic (fmt=0xc06284f9 "mutex %s not owned at >>>%s:%d") at /usr/src/sys/kern/kern_shutdown.c:549 >>>#11 0xc04c3b43 in _mtx_assert (m=0xc06286ff, what=-1056878592, >>> file=0xc06181c9 "/usr/src/sys/cam/cam_xpt.c", line=4837) >>> at /usr/src/sys/kern/kern_mutex.c:768 >>>---Type <return> to continue, or q <return> to quit--- >>>#12 0xc0432c65 in xpt_release_devq (path=0x0, count=1, >>>run_queue=1) at /usr/src/sys/cam/cam_xpt.c:4837 >>>#13 0xc043420e in xpt_action (start_ccb=0xc22f9530) >>> at /usr/src/sys/cam/cam_xpt.c:3580 >>>#14 0xc051091b in kern_sendit (td=0xc28f7870, s=4, mp=0xcca4bc6c, >>>flags=0, >>> control=0x0, segflg=3227694719) >>>at /usr/src/sys/kern/uipc_syscalls.c:775 >>>#15 0xc0511965 in sendit (td=0xc28f7870, s=4, mp=0xcca4bc6c, >>>flags=0) at /usr/src/sys/kern/uipc_syscalls.c:715 >>>#16 0xc0511c6e in sendto (td=0xc062b67f, uap=0xc1015000) >>> at /usr/src/sys/kern/uipc_syscalls.c:833 >>>#17 0xc05ff737 in syscall (frame= >>> {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = 672381756, >>>tf_esi = 134536657, tf_ebp = -1077945788, tf_isp = -861618844, >>>tf_ebx = 672417536, tf_edx = 74, tf_ecx = 134541840, tf_eax = >>>133, tf_trapno = 12, tf_err = 2, tf_eip = 672270187, tf_cs = 51, >>>tf_eflags = 534, tf_esp = -1077945820, tf_ss = 59}) >>> at /usr/src/sys/i386/i386/trap.c:1016 >>>#18 0xc05f0b4f in Xint0x80_syscall () >>>at /usr/src/sys/i386/i386/exception.s:191 >>>#19 0x00000033 in ?? () >>>Previous frame inner to this frame (corrupt stack?) >>> >>>Dmesg: >>>Copyright (c) 1992-2006 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 7.0-CURRENT #0: Wed Apr 19 13:18:18 EDT 2006 >>> >>>amistry_at_littleguy.am-productions.biz:/usr/obj/usr/src/sys/LITTLEG >>>UY Timecounter "i8254" frequency 1193182 Hz quality 0 >>>CPU: Transmeta(tm) Crusoe(tm) Processor TM5800 (859.34-MHz >>>586-class CPU) >>> Origin = "GenuineTMx86" Id = 0x543 Stepping = 3 >>> Features=0x80893f<FPU,VME,DE,PSE,TSC,MSR,CX8,SEP,CMOV,MMX> >>>real memory = 251527168 (239 MB) >>>avail memory = 236593152 (225 MB) >>>Crusoe LongRun support enabled, current mode: 2 <867MHz 1300mV >>>100%> kbd1 at kbdmux0 >>>acpi0: <FUJ PAULING2> on motherboard >>>acpi0: Power Button (fixed) >>>acpi_ec0: <Embedded Controller: GPE 0> port 0x62,0x66 on acpi0 >>>Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000 >>>acpi_timer0: <24-bit timer at 3.579545MHz> port 0xff08-0xff0b on >>>acpi0 cpu0: <ACPI CPU> on acpi0 >>>acpi_throttle0: <ACPI CPU Throttling> on cpu0 >>>pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 >>>pci0: <ACPI PCI bus> on pcib0 >>>pci0: <memory, RAM> at device 0.1 (no driver attached) >>>pci0: <memory, RAM> at device 0.2 (no driver attached) >>>ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem >>>0xfc100000-0xfc100fff irq 11 at device 2.0 on pci0 >>>ohci0: [GIANT-LOCKED] >>>usb0: OHCI version 1.0, legacy support >>>usb0: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci0 >>>usb0: USB revision 1.0 >>>usbd_get_string: getting lang failed, using 0 >>>uhub0: <AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> >>>on usb0 >>>uhub0: 2 ports with 2 removable, self powered >>>pcm0: <Acer Labs M5451> port 0x1000-0x10ff mem >>>0xfc101000-0xfc101fff irq 9 at device 4.0 on pci0 >>>pcm0: <SigmaTel STAC9756/57 AC97 Codec> >>>pcm0: [GIANT-LOCKED] >>>pci0: <bridge> at device 6.0 (no driver attached) >>>isab0: <PCI-ISA bridge> at device 7.0 on pci0 >>>isa0: <ISA bus> on isab0 >>>cbb0: <TI1410 PCI-CardBus Bridge> irq 9 at device 12.0 on pci0 >>>cardbus0: <CardBus bus> on cbb0 >>>pccard0: <16-bit PCCard bus> on cbb0 >>>atapci0: <AcerLabs M5229 UDMA66 controller> port >>>0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1400-0x140f at device 15.0 >>>on pci0 >>>atapci0: using PIO transfers above 137GB as workaround for 48bit >>>DMA access bug, expect reduced performance >>>ata0: <ATA channel 0> on atapci0 >>>ata1: <ATA channel 1> on atapci0 >>>rl0: <RealTek 8139 10/100BaseTX> port 0x8000-0x80ff mem >>>0xfc102000-0xfc1020ff irq 9 at device 16.0 on pci0 >>>miibus0: <MII bus> on rl0 >>>rlphy0: <RealTek internal media interface> on miibus0 >>>rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto >>>rl0: Ethernet address: 00:e0:00:ae:45:08 >>>fwohci0: <Texas Instruments TSB43AB21/A/AI/A-EP> mem >>>0xfc102800-0xfc102fff,0xfc104000-0xfc107fff irq 9 at device 19.0 >>>on pci0 >>>fwohci0: OHCI version 1.10 (ROM=0) >>>fwohci0: No. of Isochronous channels is 4. >>>fwohci0: EUI64 00:00:0e:10:00:b0:29:d0 >>>fwohci0: Phy 1394a available S400, 1 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 0xea34000 >>>fwohci0: Initiate bus reset >>>fwohci0: node_id=0x8800ffc0, gen=1, non CYCLEMASTER mode >>>firewire0: 2 nodes, maxhop <= 1, cable IRM = 1 >>>vgapci0: <VGA-compatible display> port 0x1800-0x18ff mem >>>0xfd000000-0xfdffffff,0xfc103000-0xfc103fff irq 9 at device 20.0 >>>on pci0 >>>acpi_video0: <ACPI video extension> on vgapci0 >>>drm0: <Rage Mobility P/M> on vgapci0 >>>info: [drm] Initialized mach64 1.0.0 20020904 >>>acpi_button0: <Power Button> on acpi0 >>>acpi_acad0: <AC Adapter> on acpi0 >>>battery0: <ACPI Control Method Battery> on acpi0 >>>battery1: <ACPI Control Method Battery> on acpi0 >>>acpi_lid0: <Control Method Lid Switch> on acpi0 >>>atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on >>>acpi0 atkbd0: <AT Keyboard> irq 1 on atkbdc0 >>>kbd0 at atkbd0 >>>atkbd0: [GIANT-LOCKED] >>>psm0: <PS/2 Mouse> flags 0x3000 irq 12 on atkbdc0 >>>psm0: [GIANT-LOCKED] >>>psm0: model Generic PS/2 mouse, device ID 0 >>>acpi_fujitsu0: <Fujitsu Function Hotkeys FUJ02B1> on acpi0 >>>pmtimer0 on isa0 >>>orm0: <ISA Option ROMs> at iomem 0xc0000-0xcffff,0xd0000-0xd0fff >>>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 859339043 Hz quality 800 >>>Timecounters tick every 10.000 msec >>>acpi_acad0: acline initialization start >>>battery0: battery initialization start >>>battery1: battery initialization start >>>acpi_acad0: On Line >>>acpi_acad0: acline initialization done, tried 1 times >>>battery0: battery initialization done, tried 1 times >>>ad0: 19077MB <TOSHIBA MK2018GAP M1.42 A> at ata0-master UDMA66 >>>firewire0: bus manager 1 >>>acd0: CDRW <TOSHIBA DVD-ROM SD-R2212/1F15> at ata1-master UDMA33 >>>firewire0: New S400 device ID:0000d1008051e6dd >>>Trying to mount root from ufs:/dev/ad0s2a >>>WARNING: / was not properly dismounted >>>WARNING: /tmp was not properly dismounted >>>WARNING: /usr was not properly dismounted >>>WARNING: /var was not properly dismounted >>>battery1: battery initialization failed, giving up >>>fuse4bsd: version 0.3.0, FUSE ABI 7.5 > >Received on Wed Apr 26 2006 - 03:47:42 UTC
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