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    Subject2.6.39.2: usb kernel panic/oops: schedule+ehci_irq+0x266/0x830
    Hi,

    I plan to build a new machine in the future (one with console access) but
    in the meantime, after my PSU replacement, the host is still having
    issues, I've turned off bluetooth wireless (built into the DP55KG) and
    will see if it panics again, link the latest panic/oops/etc:

    http://home.comcast.net/~jpiszcz/20110705/IMG_2875.JPG

    schedule+0x266/0x830
    common_interrupt+0xe/0x13
    ehci_irq+0x20f/0x230

    Is this a valid kernel bug?

    I have another box (diff MOBO and all running 2.6.39.x no issues) but it
    does not have built-in bluetooth, I am also running a USB (non-winmodem)
    on this host as well, can anyone comment on this?

    16: 70587 0 0 0 0 0
    11675 0 IO-APIC-fasteoi ehci_hcd:usb1

    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 003: ID 2001:f103 D-Link Corp. DUB-H7 7-port USB 2.0 hub
    Bus 001 Device 004: ID 0baf:0303 U.S. Robotics
    Bus 001 Device 005: ID 0764:0501 Cyber Power System, Inc. CP1500 AVR UPS
    Bus 001 Device 006: ID 413c:1002 Dell Computer Corp. Keyboard Hub
    Bus 001 Device 007: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
    Bus 001 Device 008: ID 413c:2002 Dell Computer Corp. SK-8125 Keyboard
    Bus 001 Device 009: ID 0461:4d15 Primax Electronics, Ltd Dell Optical Mouse

    I also use munin to poll the UPS for various information, could this be a
    bug in the USB driver for this chipset/motherboard?

    Can polling various USB devices, running a hylafax server, etc, cause a
    bug to pop up more easily in the USB subsystem vs. just using a keyboard
    for example, I assume so?

    Comments?

    Thanks.

    Justin.


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