Date: Thu, 02 Oct 2008 19:15:49 +0400 From: Boris Samorodov <bsam@ipt.ru> To: "Paul B. Mahol" <onemda@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: panic at ehci_abort_xfer Message-ID: <02679242@bb.ipt.ru> In-Reply-To: <3a142e750810020737qa64e89yc29472b23c3a81d0@mail.gmail.com> (Paul B. Mahol's message of "Thu\, 2 Oct 2008 16\:37\:44 %2B0200") References: <84759477@bb.ipt.ru> <3a142e750810020737qa64e89yc29472b23c3a81d0@mail.gmail.com>
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"Paul B. Mahol" <onemda@gmail.com> writes:
> On 10/2/08, Boris Samorodov <bsam@ipt.ru> 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 <usb_task_thread>,
>> 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/listinfo/freebsd-current
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>>
WBR
--
bsam
Boris Samorodov (bsam)
Research Engineer, http://www.ipt.ru Telephone & Internet SP
FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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