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    Subject[2.6.37-rc1] wait_for_sysfs prints errors.
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    Hello.

    I noticed that udevd-event started to print error messages.

    Starting udev: udevd-event[1682]: wait_for_sysfs: waiting for '/sys/devices/pci0000:00/0000:00:10.0/host0/ioerr_cnt' failed
    udevd-event[2103]: wait_for_sysfs: waiting for '/sys/devices/pci0000:00/0000:00:10.0/host0/target0:0:1/ioerr_cnt' failed
    udevd-event[2102]: wait_for_sysfs: waiting for '/sys/devices/pci0000:00/0000:00:10.0/host0/target0:0:0/ioerr_cnt' failed

    These error messages are caused by one or more of below commits.
    (Sorry, I can't find exact one because I can't boot as of below commits.)

    5cfc64ce "base/platform: Safe handling for NULL platform data and resources"
    807508c8 "base/platform: Simplifications for NULL platform data/resources handling"
    39aba963 "driver core: remove CONFIG_SYSFS_DEPRECATED_V2 but keep it for block devices"

    Is this a regression? (Is this an intended change?)

    2.6.36 was OK and below is tail of bisection log.

    # good: [da0d7f982d538f4a5bcdddb84df4a484a3b1770b] pch_phub: fix build warnings
    git bisect good da0d7f982d538f4a5bcdddb84df4a484a3b1770b
    # bad: [39aba963d937edb20db7d9d93e6dda5d2adfdcdd] driver core: remove CONFIG_SYSFS_DEPRECATED_V2 but keep it for block devices
    git bisect bad 39aba963d937edb20db7d9d93e6dda5d2adfdcdd
    # skip: [5cfc64ceb6222aabec640ba76e89529a8fc2c1f0] base/platform: Safe handling for NULL platform data and resources
    git bisect skip 5cfc64ceb6222aabec640ba76e89529a8fc2c1f0
    # skip: [807508c8ff9af6ce8f25c5ca5f3eb06a8e7d3286] base/platform: Simplifications for NULL platform data/resources handling
    git bisect skip 807508c8ff9af6ce8f25c5ca5f3eb06a8e7d3286
    # skip: [87544653abe4a03324bc85dae32d5bdaabcfccef] debugfs: mark me as the maintainer
    git bisect skip 87544653abe4a03324bc85dae32d5bdaabcfccef

    My environment is CentOS 5.5(GCC 4.1.2) i686 with 512MB RAM.

    Regards.


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