panic at ehci_abort_xfer - FreeBSD

This is a discussion on panic at ehci_abort_xfer - FreeBSD ; Hello All, I've got a panic at today's CURRENT/i386 after inserting an USB Linksys Wifi Adapter (the adapter had been scanning): ----- GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU ...

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Thread: panic at ehci_abort_xfer

  1. panic at ehci_abort_xfer

    Hello All,


    I've got a panic at today's CURRENT/i386 after inserting an USB
    Linksys Wifi Adapter (the adapter had been scanning):
    -----
    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:

    Fatal trap 12: page fault while in kernel mode
    cpuid = 1; apic id = 01
    fault virtual address = 0x38
    fault code = supervisor read, page not present
    instruction pointer = 0x20:0xc072fb57
    stack pointer = 0x28:0xc3ed6c94
    frame pointer = 0x28:0xc3ed6ccc
    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 = 15 (usbtask-hc)
    trap number = 12
    panic: page fault
    cpuid = 1
    Uptime: 8m11s
    Physical memory: 1003 MB
    Dumping 54 MB: 39 23 7
    [...]
    #0 doadump () at pcpu.h:221
    in pcpu.h
    (kgdb) list *0xc072fb57
    0xc072fb57 is in ehci_abort_xfer (/usr/src/sys/dev/usb/ehci.c:2959).
    2954 * (if there is one). We only need to do this if
    2955 * it was previously pointing to us.
    2956 */
    2957 for (sqtd = exfer->sqtdstart; ; sqtd = sqtd->nextqtd) {
    2958 if (cur == sqtd->physaddr) {
    2959 hit++;
    2960 }
    2961 if (sqtd == exfer->sqtdend)
    2962 break;
    2963 }
    (kgdb) backtrace
    #0 doadump () at pcpu.h:221
    #1 0xc07fdfbc in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:420
    #2 0xc07fe2c2 in panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:576
    #3 0xc0b27983 in trap_fatal (frame=0xc3ed6c54, eva=56)
    at /usr/src/sys/i386/i386/trap.c:943
    #4 0xc0b27c00 in trap_pfault (frame=0xc3ed6c54, usermode=0, eva=56)
    at /usr/src/sys/i386/i386/trap.c:856
    #5 0xc0b2860a in trap (frame=0xc3ed6c54) at /usr/src/sys/i386/i386/trap.c:536
    #6 0xc0b0c59b in calltrap () at /usr/src/sys/i386/i386/exception.s:165
    #7 0xc072fb57 in ehci_abort_xfer (xfer=) at /usr/src/sys/dev/usb/ehci.c:2959
    #8 0xc0731360 in ehci_timeout_task (addr=0xc482ee00)
    at /usr/src/sys/dev/usb/ehci.c:3112
    #9 0xc07644b1 in usb_task_thread (arg=0xc0d05dc0)
    at /usr/src/sys/dev/usb/usb.c:485
    #10 0xc07dc633 in fork_exit (callout=0xc0764400 ,
    arg=0xc0d05dc0, frame=0xc3ed6d38) at /usr/src/sys/kern/kern_fork.c:810
    #11 0xc0b0c610 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:270
    (kgdb) quit
    -----


    WBR
    --
    Boris Samorodov (bsam)
    Research Engineer, http://www.ipt.ru Telephone & Internet SP
    FreeBSD committer, http://www.FreeBSD.org The Power To Serve
    _______________________________________________
    freebsd-current@freebsd.org mailing list
    http://lists.freebsd.org/mailman/lis...reebsd-current
    To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"


  2. Re: panic at ehci_abort_xfer

    "Paul B. Mahol" writes:
    > On 10/2/08, Boris Samorodov wrote:
    >> Hello All,
    >>
    >>
    >> I've got a panic at today's CURRENT/i386 after inserting an USB
    >> Linksys Wifi Adapter (the adapter had been scanning):

    >
    > Which driver?


    rum

    > This is first time it happened on same hardware, and it was working
    > without problems on older(how much) CURRENT?
    > Or, this is first time you have insterted that adapter in CURRENT?


    This is a new EeePC-1000 (Atom 1.6Ghz with hyperthreading enabled)
    and new system. Since no network cards (neither Eth nore Wifi) is
    currently supported I try to use an USB Linksys Adapter WUSB54GC.

    > Look in usb/124758 maybe it is same bug.


    Yes, very much alike.

    >> -----
    >> 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:
    >>
    >> Fatal trap 12: page fault while in kernel mode
    >> cpuid = 1; apic id = 01
    >> fault virtual address = 0x38
    >> fault code = supervisor read, page not present
    >> instruction pointer = 0x20:0xc072fb57
    >> stack pointer = 0x28:0xc3ed6c94
    >> frame pointer = 0x28:0xc3ed6ccc
    >> 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 = 15 (usbtask-hc)
    >> trap number = 12
    >> panic: page fault
    >> cpuid = 1
    >> Uptime: 8m11s
    >> Physical memory: 1003 MB
    >> Dumping 54 MB: 39 23 7
    >> [...]
    >> #0 doadump () at pcpu.h:221
    >> in pcpu.h
    >> (kgdb) list *0xc072fb57
    >> 0xc072fb57 is in ehci_abort_xfer (/usr/src/sys/dev/usb/ehci.c:2959).
    >> 2954 * (if there is one). We only need to do this if
    >> 2955 * it was previously pointing to us.
    >> 2956 */
    >> 2957 for (sqtd = exfer->sqtdstart; ; sqtd = sqtd->nextqtd) {
    >> 2958 if (cur == sqtd->physaddr) {
    >> 2959 hit++;
    >> 2960 }
    >> 2961 if (sqtd == exfer->sqtdend)
    >> 2962 break;
    >> 2963 }
    >> (kgdb) backtrace
    >> #0 doadump () at pcpu.h:221
    >> #1 0xc07fdfbc in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:420
    >> #2 0xc07fe2c2 in panic (fmt=) at /usr/src/sys/kern/kern_shutdown.c:576
    >> #3 0xc0b27983 in trap_fatal (frame=0xc3ed6c54, eva=56)
    >> at /usr/src/sys/i386/i386/trap.c:943
    >> #4 0xc0b27c00 in trap_pfault (frame=0xc3ed6c54, usermode=0, eva=56)
    >> at /usr/src/sys/i386/i386/trap.c:856
    >> #5 0xc0b2860a in trap (frame=0xc3ed6c54) at
    >> /usr/src/sys/i386/i386/trap.c:536
    >> #6 0xc0b0c59b in calltrap () at /usr/src/sys/i386/i386/exception.s:165
    >> #7 0xc072fb57 in ehci_abort_xfer (xfer=) at
    >> /usr/src/sys/dev/usb/ehci.c:2959
    >> #8 0xc0731360 in ehci_timeout_task (addr=0xc482ee00)
    >> at /usr/src/sys/dev/usb/ehci.c:3112
    >> #9 0xc07644b1 in usb_task_thread (arg=0xc0d05dc0)
    >> at /usr/src/sys/dev/usb/usb.c:485
    >> #10 0xc07dc633 in fork_exit (callout=0xc0764400 ,
    >> arg=0xc0d05dc0, frame=0xc3ed6d38) at /usr/src/sys/kern/kern_fork.c:810
    >> #11 0xc0b0c610 in fork_trampoline () at
    >> /usr/src/sys/i386/i386/exception.s:270
    >> (kgdb) quit
    >> -----
    >>
    >>
    >> WBR
    >> --
    >> Boris Samorodov (bsam)
    >> Research Engineer, http://www.ipt.ru Telephone & Internet SP
    >> FreeBSD committer, http://www.FreeBSD.org The Power To Serve
    >> _______________________________________________
    >> freebsd-current@freebsd.org mailing list
    >> http://lists.freebsd.org/mailman/lis...reebsd-current
    >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
    >>


    WBR
    --
    bsam
    Boris Samorodov (bsam)
    Research Engineer, http://www.ipt.ru Telephone & Internet SP
    FreeBSD committer, http://www.FreeBSD.org The Power To Serve
    _______________________________________________
    freebsd-current@freebsd.org mailing list
    http://lists.freebsd.org/mailman/lis...reebsd-current
    To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"


  3. Re: panic at ehci_abort_xfer

    "Paul B. Mahol" writes:

    > ehci(4) is buggy. Use usb2_wlan.ko module from usb2. (Need to build
    > custom kernel without usb, and than load usb2_[core,controller,wlan])
    > usb2 should be committed soon to HEAD.


    Unfortunately I have no spare time now. ;-(

    > IMHO old usb code should be removed ASAP.


    +1

    Paul, thanks for your help!


    WBR
    --
    Boris Samorodov (bsam)
    Research Engineer, http://www.ipt.ru Telephone & Internet SP
    FreeBSD committer, http://www.FreeBSD.org The Power To Serve
    _______________________________________________
    freebsd-current@freebsd.org mailing list
    http://lists.freebsd.org/mailman/lis...reebsd-current
    To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"


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