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    SubjectRe: 2.6.13-mm1: PCMCIA problem
    Date
    On Friday, 2 of September 2005 10:30, Rafael J. Wysocki wrote:
    > On Thursday, 1 of September 2005 23:28, Andrew Morton wrote:
    > > "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
    > > >
    > > > On Thursday, 1 of September 2005 12:55, Andrew Morton wrote:
    > > > >
    > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.13/2.6.13-mm1/
    > > >
    > > > I cannot start PCMCIA on x86-64 SuSE 9.3 on Asus L5D. Apparently, the following
    > > > command:
    > > >
    > > > sh -c modprobe --ignore-install firmware_class; echo 30 > /sys/class/firmware/timeout
    > > >
    > > > loops forever with almost 100% of the time spent in the kernel.
    > > >
    > > > AFAICS, 2.6.13-rc6-mm2 is also affected, but the mainline kernels are not.
    > >
    > > OK. There are no notable firmware changes in there. While it's stuck
    > > could you generate a kernel profile? I do:
    > >
    > > readprofile -r
    > > sleep 5
    > > readprofile -n -v -m /boot/System.map | sort -n +2 | tail -40

    ]--snip--[

    One more piece of information. This is the one that loops:

    echo 30 > /sys/class/firmware/timeout

    and the related profile is:

    16 *unknown*
    ffffffff8010eb38 sysret_check 1 0.0120
    ffffffff80240b40 clear_page 1 0.0175
    ffffffff80356397 bad_gs 1 0.0001
    ffffffff80240cc0 copy_user_generic 2 0.0067
    ffffffff8010eb33 ret_from_sys_call 6 1.2000
    ffffffff80221870 dummy_file_permission 7 0.4375
    ffffffff80240c90 copy_from_user 9 0.1875
    ffffffff8023f5e0 simple_strtol 11 0.2292
    ffffffff8023f500 simple_strtoul 17 0.0759
    ffffffff802ac800 class_attr_store 18 0.3750
    ffffffff801bfc40 sysfs_write_file 61 0.1658
    ffffffff8017ead0 sys_write 78 0.5417
    ffffffff8017df70 rw_verify_area 143 1.1172
    ffffffff80240dea copy_user_generic_c 144 3.7895
    ffffffff8010eab0 system_call 163 1.2443
    ffffffff8017f1d0 fget_light 184 0.7667
    ffffffff8017e890 vfs_write 209 0.5024
    0000000000000000 total 1055 0.0004

    Greetings,
    Rafael


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