5.4-STABLE kernel panic - usb related?

[Doug White]

On Tue, 5 Apr 2005, Mars Trading wrote:

>
> Got a kernel panic starting mgetty on ucom devices from 5.4-STABLE
> as of 5-APR-0400 UTC.  Wasn't able to copy the panic message though.
>
> Here's the kgdb backtrace:
>
> #0  doadump () at pcpu.h:159
> #1  0xc04bd35e in boot (howto=260)
> at /usr/src/sys/kern/kern_shutdown.c:410
> #2  0xc04bd686 in panic (fmt=0xc063db27 "%s")
>     at /usr/src/sys/kern/kern_shutdown.c:566
> #3  0xc0620690 in trap_fatal (frame=0xcbee19ec, eva=0)
>     at /usr/src/sys/i386/i386/trap.c:809
> #4  0xc06203a3 in trap_pfault (frame=0xcbee19ec, usermode=0, eva=76)
>     at /usr/src/sys/i386/i386/trap.c:727
> #5  0xc061ff7d in trap (frame=
>       {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = 0, tf_esi =
> -1043925120, tf_ebp = -873588140, tf_isp = -873588200, tf_ebx =
> -1040863232, tf_edx = 0, tf_ecx = -1046884544, tf_eax = 0,
> tf_trapno = 12, tf_err = 0, tf_eip = -1069063351, tf_cs = 8,
> tf_eflags = 66118, tf_esp = -1046896640, tf_ss = -873588152})
>     at /usr/src/sys/i386/i386/trap.c:417
> #6  0xc060e2aa in calltrap ()
> at /usr/src/sys/i386/i386/exception.s:140
> #7  0x00000018 in ?? ()
> #8  0x00000010 in ?? ()
> #9  0x00000010 in ?? ()
> #10 0x00000000 in ?? ()
> #11 0xc1c6f780 in ?? ()
> #12 0xcbee1a54 in ?? ()
> #13 0xcbee1a18 in ?? ()
> #14 0xc1f5b000 in ?? ()
> #15 0x00000000 in ?? ()
> #16 0xc199cf40 in ?? ()
> #17 0x00000000 in ?? ()
> #18 0x0000000c in ?? ()
> #19 0x00000000 in ?? ()
> #20 0xc0476349 in usb_transfer_complete (xfer=0xc1f5b000)
>     at /usr/src/sys/dev/usb/usbdi.c:833
> #21 0xc046e784 in uhci_abort_xfer (xfer=0xc1f5b000,
>     status=USBD_NORMAL_COMPLETION)
> at /usr/src/sys/dev/usb/uhci.c:2022
> #22 0xc046e5d9 in uhci_device_bulk_abort (xfer=0x0)
>     at /usr/src/sys/dev/usb/uhci.c:1921
> #23 0xc0476259 in usbd_ar_pipe (pipe=0xc1c6f780)
>     at /usr/src/sys/dev/usb/usbdi.c:762
> #24 0xc0475f01 in usbd_abort_pipe (pipe=0x0)
>     at /usr/src/sys/dev/usb/usbdi.c:556
> #25 0xc0c1f307 in ?? ()
> #26 0xc1c6f780 in ?? ()
> #27 0xcbee1ad8 in ?? ()
> #28 0xc0c1edc8 in ?? ()
> #29 0xc1a19400 in ?? ()
> #30 0x00000001 in ?? ()
> #31 0xc1a1a400 in ?? ()
> #32 0x00000003 in ?? ()
> #33 0xc18fb180 in ?? ()
> #34 0xcbee1af0 in ?? ()
> #35 0xc04f18a4 in ttyflush (tp=0xc1a19400, rw=-1046371328)
>     at /usr/src/sys/kern/tty.c:1420
> Previous frame inner to this frame (corrupt stack?)
>
> Funny thing is i only got it the first time.  Tried it again after a
> reboot and it worked.  Hope this info will be of some use.

This is a known bug.  ucom does some funky USB gyrations to force the port
to flush and it trips over itself.  I don't have the PR handy but there's
one filed with a description of the underlying issue from bde.



>
> dmesg:
> Copyright (c) 1992-2005 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 5.4-STABLE #0: Tue Apr  5 14:11:56 PHT 2005
>     root at go.ubc.pldt.net:/usr/obj/usr/src/sys/GO
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: AMD Athlon(tm) Processor (751.33-MHz 686-class CPU)
>   Origin = "AuthenticAMD"  Id = 0x642  Stepping = 2
>
> Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
>   AMD Features=0xc0440000<RSVD,AMIE,DSP,3DNow!>
> real memory  = 268369920 (255 MB)
> avail memory = 248782848 (237 MB)
> npx0: <math processor> on motherboard
> npx0: INT 16 interface
> acpi0: <FIC AZ11> on motherboard
> acpi0: Power Button (fixed)
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x4008-0x400b on
> acpi0
> cpu0: <ACPI CPU (3 Cx states)> on acpi0
> acpi_throttle0: <ACPI CPU Throttling> on cpu0
> acpi_button0: <Power Button> on acpi0
> pcib0: <ACPI Host-PCI bridge> port
> 0x6000-0x607f,0x5000-0x500f,0x4080-0x40ff,0x4000-0x407f,0xcf8-0xcff
> on acpi0
> pci0: <ACPI PCI bus> on pcib0
> pcib1: <PCI-PCI bridge> at device 1.0 on pci0
> pci1: <PCI bus> on pcib1
> nvidia0: <GeForce4 MX 440> mem
> 0xd8000000-0xd807ffff,0xd0000000-0xd7ffffff,0xe2000000-0xe2ffffff
> irq 10 at device 0.0 on pci1
> uhci0: <VIA 83C572 USB controller> port 0xc000-0xc01f irq 5 at
> device 5.0 on pci0
> 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
> uhci1: <VIA 83C572 USB controller> port 0xc400-0xc41f irq 11 at
> device 5.1 on pci0
> 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
> ehci0: <VIA VT6202 USB 2.0 controller> mem 0xe5001000-0xe50010ff irq
> 10 at device 5.2 on pci0
> usb2: EHCI version 1.0
> usb2: companion controllers, 2 ports each: usb0 usb1
> usb2: <VIA VT6202 USB 2.0 controller> on ehci0
> usb2: USB revision 2.0
> uhub2: VIA EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
> uhub2: 4 ports with 4 removable, self powered
> xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xc800-0xc87f mem
> 0xe5000000-0xe500007f irq 11 at device 6.0 on pci0
> miibus0: <MII bus> on xl0
> ukphy0: <Generic IEEE 802.3u media interface> on miibus0
> ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> xl0: Ethernet address: 00:04:75:98:bb:d3
> lnc0: <PCNet/PCI Ethernet adapter> port 0xcc00-0xcc1f mem
> 0xe5002000-0xe500201f irq 10 at device 7.0 on pci0
> lnc0: Attaching PCNet/PCI Ethernet adapter
> lnc0: Ethernet address: 00:00:f4:ae:0f:2d
> lnc0: if_start running deferred for Giant
> lnc0: PCnet-PCI
> isab0: <PCI-ISA bridge> at device 20.0 on pci0
> isa0: <ISA bus> on isab0
> atapci0: <VIA 82C686A UDMA66 controller> port
> 0xd000-0xd00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 20.1 on
> pci0
> ata0: channel #0 on atapci0
> ata1: channel #1 on atapci0
> uhci2: <VIA 83C572 USB controller> port 0xd400-0xd41f irq 11 at
> device 20.2 on pci0
> usb3: <VIA 83C572 USB controller> on uhci2
> usb3: USB revision 1.0
> uhub3: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub3: 2 ports with 2 removable, self powered
> pcm0: <VIA VT82C686A> port 0xe400-0xe403,0xe000-0xe003,0xdc00-0xdcff
> irq 5 at device 20.5 on pci0
> pcm0: <SigmaTel STAC9700/83/84 AC97 Codec>
> fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2
> on acpi0
> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
> sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10
> on acpi0
> sio0: type 16550A
> ppc0: <Standard parallel printer port> port 0x378-0x37f irq 7 on
> acpi0
> ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
> ppbus0: <Parallel port bus> on ppc0
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
> atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> psm0: <PS/2 Mouse> irq 12 on atkbdc0
> psm0: model Generic PS/2 mouse, device ID 0
> pmtimer0 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
> ucom0: Prolific Technology Inc. USB-Serial Controller, rev
> 1.10/3.00, addr 2
> ucom1: Prolific Technology Inc. USB-Serial Controller, rev
> 1.10/3.00, addr 3
> Timecounter "TSC" frequency 751333486 Hz quality 800
> Timecounters tick every 10.000 msec
> ad0: 39205MB <Maxtor 6E040L0/NAR61EA0> [79656/16/63] at ata0-master
> UDMA66
> acd0: DVDROM <DVD-ROM DDU1621/VER S4.0> at ata1-slave UDMA33
> Mounting root from ufs:/dev/ad0s1a
>
> Dennis
>

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org