Date: Wed, 26 Apr 2006 00:45:23 -0400 From: Anish Mistry <mistry.7@osu.edu> To: freebsd-current@freebsd.org Subject: panic: mutex Giant not owned at /usr/src/sys/cam/cam_xpt.c:4837 Message-ID: <200604260045.32557.mistry.7@osu.edu>
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I got the above panic from CURRENT as of April 19th. I wasn't running=20
anything cam related, at least I don't think so. The system was just=20
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=20
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=3D260)=20
at /usr/src/sys/kern/kern_shutdown.c:409
#2 0xc04cbfa3 in panic (fmt=3D0xc061ce45 "from debugger")
at /usr/src/sys/kern/kern_shutdown.c:565
#3 0xc0442e2d in db_panic (addr=3D-1068598180, have_addr=3D0, count=3D-1,=
=20
modif=3D0xcca4b958 "") at /usr/src/sys/ddb/db_command.c:426
#4 0xc04431ba in db_command_loop ()=20
at /usr/src/sys/ddb/db_command.c:395
#5 0xc0444da3 in db_trap (type=3D3, code=3D0)=20
at /usr/src/sys/ddb/db_main.c:221
#6 0xc04e807b in kdb_trap (type=3D3, code=3D0, tf=3D0x0)
at /usr/src/sys/kern/subr_kdb.c:481
#7 0xc05ff23c in trap (frame=3D
{tf_fs =3D 8, tf_es =3D 40, tf_ds =3D 40, tf_edi =3D -1030784912, tf_=
esi=20
=3D -1067285255, tf_ebp =3D -861619444, tf_isp =3D -861619464, tf_ebx=20
=3D -861619404, tf_edx =3D -1067281663, tf_ecx =3D -1056878592, tf_eax=20
=3D -1067272577, tf_trapno =3D 3, tf_err =3D 0, tf_eip =3D -1068598180, tf_=
cs=20
=3D 32, tf_eflags =3D 642, tf_esp =3D -861619416, tf_ss =3D -1068711934})=20
at /usr/src/sys/i386/i386/trap.c:622
#8 0xc05f0afa in calltrap ()=20
at /usr/src/sys/i386/i386/exception.s:138
#9 0xc04e7c5c in kdb_enter (msg=3D0xc062b67f "KDB: enter: %s\n") at=20
cpufunc.h:60
#10 0xc04cc002 in panic (fmt=3D0xc06284f9 "mutex %s not owned at %s:%d")
at /usr/src/sys/kern/kern_shutdown.c:549
#11 0xc04c3b43 in _mtx_assert (m=3D0xc06286ff, what=3D-1056878592,=20
file=3D0xc06181c9 "/usr/src/sys/cam/cam_xpt.c", line=3D4837)
at /usr/src/sys/kern/kern_mutex.c:768
=2D--Type <return> to continue, or q <return> to quit---
#12 0xc0432c65 in xpt_release_devq (path=3D0x0, count=3D1, run_queue=3D1)
at /usr/src/sys/cam/cam_xpt.c:4837
#13 0xc043420e in xpt_action (start_ccb=3D0xc22f9530)
at /usr/src/sys/cam/cam_xpt.c:3580
#14 0xc051091b in kern_sendit (td=3D0xc28f7870, s=3D4, mp=3D0xcca4bc6c,=20
flags=3D0,=20
control=3D0x0, segflg=3D3227694719)=20
at /usr/src/sys/kern/uipc_syscalls.c:775
#15 0xc0511965 in sendit (td=3D0xc28f7870, s=3D4, mp=3D0xcca4bc6c, flags=3D=
0)
at /usr/src/sys/kern/uipc_syscalls.c:715
#16 0xc0511c6e in sendto (td=3D0xc062b67f, uap=3D0xc1015000)
at /usr/src/sys/kern/uipc_syscalls.c:833
#17 0xc05ff737 in syscall (frame=3D
{tf_fs =3D 59, tf_es =3D 59, tf_ds =3D 59, tf_edi =3D 672381756, tf_e=
si=20
=3D 134536657, tf_ebp =3D -1077945788, tf_isp =3D -861618844, tf_ebx =3D=20
672417536, tf_edx =3D 74, tf_ecx =3D 134541840, tf_eax =3D 133, tf_trapno =
=3D=20
12, tf_err =3D 2, tf_eip =3D 672270187, tf_cs =3D 51, tf_eflags =3D 534,=20
tf_esp =3D -1077945820, tf_ss =3D 59})
at /usr/src/sys/i386/i386/trap.c:1016
#18 0xc05f0b4f in Xint0x80_syscall ()=20
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,=20
1994
The Regents of the University of California. All rights=20
reserved.
=46reeBSD 7.0-CURRENT #0: Wed Apr 19 13:18:18 EDT 2006
=20
amistry@littleguy.am-productions.biz:/usr/obj/usr/src/sys/LITTLEGUY
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Transmeta(tm) Crusoe(tm) Processor TM5800 (859.34-MHz 586-class=20
CPU)
Origin =3D "GenuineTMx86" Id =3D 0x543 Stepping =3D 3
Features=3D0x80893f<FPU,VME,DE,PSE,TSC,MSR,CX8,SEP,CMOV,MMX>
real memory =3D 251527168 (239 MB)
avail memory =3D 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=20
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=20
usb0
uhub0: 2 ports with 2 removable, self powered
pcm0: <Acer Labs M5451> port 0x1000-0x10ff mem 0xfc101000-0xfc101fff=20
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=20
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1400-0x140f at device 15.0 on=20
pci0
atapci0: using PIO transfers above 137GB as workaround for 48bit DMA=20
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=20
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=20
0xfc102800-0xfc102fff,0xfc104000-0xfc107fff irq 9 at device 19.0 on=20
pci0
fwohci0: OHCI version 1.10 (ROM=3D0)
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=3D0x8800ffc0, gen=3D1, non CYCLEMASTER mode
firewire0: 2 nodes, maxhop <=3D 1, cable IRM =3D 1
vgapci0: <VGA-compatible display> port 0x1800-0x18ff mem=20
0xfd000000-0xfdffffff,0xfc103000-0xfc103fff irq 9 at device 20.0 on=20
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=20
ORM0000 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=3D0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on=20
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=20
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
=2D-=20
Anish Mistry
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