[CentOS] something is hammering non-existant floppy

Sun Dec 12 12:45:03 UTC 2021
Jonathan Billings <billings at negate.org>

On Dec 11, 2021, at 23:19, Jon LaBadie <jcu at labadie.us> wrote:
> 
> On my CentOS7 system, I'm getting message sequences in
> /var/log/message and in the journal that are nearly identical
> to the sequence below.  They come in multiple times per second.
> 
> I've deleted the timestamps and system name from the messages.
> 
> kernel: floppy0: Getstatus times out (0) on fdc 0
> kernel: kernel: floppy driver state
> kernel: -------------------
> kernel: now=4476158515 last interrupt=4476158452 diff=63 last called handler=reset_interrupt [floppy]
> kernel: timeout_message=floppy start
> kernel: last output bytes:
> kernel: 8 81 4388061306
> kernel: 3 80 4388061326
> kernel: d1 90 4388061326
> kernel: a 90 4388061326
> kernel: 7 90 4388061326
> kernel: 0 90 4388061326
> kernel: 8 81 4388061730
> kernel: 3 80 4388061751
> kernel: c1 90 4388061751
> kernel: 10 90 4388061751
> kernel: 7 80 4388061751
> kernel: 0 90 4388061751
> kernel: 8 81 4388062074
> kernel: 7 80 4388062075
> kernel: 0 90 4388062075
> kernel: 8 81 4388062399
> kernel: 8 80 4402157917
> kernel: 8 80 4402213377
> kernel: 8 80 4476158452
> kernel: 12 80 4476158471
> kernel: last result at 4476158452
> kernel: last redo_fd_request at 4476158471
> kernel: status=0
> kernel: fdc_busy=1
> kernel: timer_function=ffffffffc01daf70 expires=2957
> kernel: cont=ffffffffc01dc400
> kernel: current_req=ffff9b0e72239c80
> kernel: command_status=-1
> kernel: 
> I persume something is trying to access the system's
> floppy disk drive that does not exist.  But I have
> been unable to identify what's triggering all this
> activity.
> 
> Any suggestions?

Any chance you have something like automount/autofs set up with a mountpoint for the floppy device?

—
Jonathan Billings