[Bug 211180] kernel confused about floppy after a suspend

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Summary: kernel confused about floppy after a suspend


https://bugzilla.redhat.com/show_bug.cgi?id=211180


michal at harddata.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Status Whiteboard| bzcl34nup                  |bzcl34nup
            Version|rawhide                     |8
               Flag|                            |needinfo?




------- Additional Comments From michal at harddata.com  2008-04-03 16:04 EST -------
That bug is definitely present.  Here is a dmesg output after suspend
with kernel-2.6.24.3-50.fc8.i686 when trying to access a floppy:

floppy driver state
-------------------
now=1177520 last interrupt=1137928 diff=39592 last called handler=d01cf6eb
timeout_message=lock fdc
last output bytes:
 5 90 1136750
 0 90 1136750
 1 90 1136750
 2 90 1136750
12 90 1136750
1b 90 1136750
ff 90 1136750
 f 80 1137327
 0 90 1137327
 6 90 1137327
 8 81 1137332
e6 80 1137352
 0 90 1137352
 6 90 1137352
 0 90 1137352
 1 90 1137352
 2 90 1137352
12 90 1137352
1b 90 1137352
ff 90 1137352
last result at 1137928
last redo_fd_request at 1137928
 4  0  0  7  0  1  2
status=0
fdc_busy=1
do_floppy=d01d355b
cont=d01d7f74
current_req=00000000
command_status=-1

floppy0: floppy timeout called
floppy0: disk absent or changed during operation
end_request: I/O error, dev fd0, sector 0
Buffer I/O error on device fd0, logical block 0
floppy0: disk absent or changed during operation
end_request: I/O error, dev fd0, sector 8
Buffer I/O error on device fd0, logical block 1
floppy0: disk absent or changed during operation
end_request: I/O error, dev fd0, sector 16
Buffer I/O error on device fd0, logical block 2
floppy0: disk absent or changed during operation
end_request: I/O error, dev fd0, sector 24
Buffer I/O error on device fd0, logical block 3
floppy0: disk absent or changed during operation
end_request: I/O error, dev fd0, sector 0
Buffer I/O error on device fd0, logical block 0

As you see from addresses this is from a different machine and
even different architecture.

Before suspend floppy works without any issues.

OTOH nowadays floppy is used so infrequently that this is hardly
a problem.  A USB stick still mounts after a suspend.



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