Date: Thu, 4 Oct 2007 23:01:04 +0200 From: Lars Engels <lme@FreeBSD.org> To: current@FreeBSD.org Subject: ehci panic with if_rum Message-ID: <20071004210104.GR30704@e.0x20.net>
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Hi all,
I am experiencing a kernel panic when /etc/rc.d/netif start rum0 is
run.
When I insert the USB wireless stick (D-Link DWL-G122 with Ralink RT2573
chip inside) I see a LOR in if_rum.c and eventually the kernel panics.
The backtrace is attached.
TIA
Lars
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Unread portion of the kernel message buffer:
panic: ehci_free_sqtd_chain: chain not found
cpuid = 0
KDB: enter: panic
panic: from debugger
cpuid = 0
Uptime: 26s
Physical memory: 2034 MB
Dumping 73 MB: 58 42 26 10
#0 doadump () at pcpu.h:195
195 pcpu.h: No such file or directory.
in pcpu.h
#2 0xc074da6b in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:563
#3 0xc048cab7 in db_panic (addr=Could not find the frame base for "db_panic".
) at /usr/src/sys/ddb/db_command.c:433
#4 0xc048d4a5 in db_command_loop () at /usr/src/sys/ddb/db_command.c:401
#5 0xc048ec15 in db_trap (type=3, code=0) at /usr/src/sys/ddb/db_main.c:222
#6 0xc07746f6 in kdb_trap (type=3, code=0, tf=0xe572dbb0)
at /usr/src/sys/kern/subr_kdb.c:502
#7 0xc0a0285b in trap (frame=0xe572dbb0) at /usr/src/sys/i386/i386/trap.c:621
#8 0xc09e824b in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#9 0xc0774872 in kdb_enter (msg=0xc0a99113 "panic") at cpufunc.h:60
#10 0xc074da54 in panic (
fmt=0xc0a8acb9 "ehci_free_sqtd_chain: chain not found")
at /usr/src/sys/kern/kern_shutdown.c:547
#11 0xc06a1c54 in ehci_free_sqtd_chain (sc=0xc520a800, sqh=0xe59a6cc0,
sqtd=0x0, sqtdend=0xe59a7ae0) at /usr/src/sys/dev/usb/ehci.c:2483
#12 0xc06a1df5 in ehci_device_ctrl_done (xfer=0xc5643e00)
at /usr/src/sys/dev/usb/ehci.c:2813
#13 0xc06cebc9 in usb_transfer_complete (xfer=0xc5643e00)
at /usr/src/sys/dev/usb/usbdi.c:975
#14 0xc06a1adb in ehci_abort_xfer (xfer=0xc5643e00,
status=USBD_NORMAL_COMPLETION) at /usr/src/sys/dev/usb/ehci.c:2688
#15 0xc06a3080 in ehci_timeout_task (addr=0xc5643e00)
at /usr/src/sys/dev/usb/ehci.c:2727
#16 0xc06cb70a in usb_task_thread (arg=0xc0babe00)
at /usr/src/sys/dev/usb/usb.c:483
#17 0xc072f908 in fork_exit (callout=0xc06cb640 <usb_task_thread>,
arg=0xc0babe00, frame=0xe572dd38) at /usr/src/sys/kern/kern_fork.c:796
#18 0xc09e82c0 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:205
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