Re: Identifying what is accessing a USB device.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, 2021-03-27 at 07:59 -0500, Roger Heflin wrote:
> Wireshark won't help as it won't tell you what process is doing.  And
> decoding the commands will be very difficult.

Yes, that's what I thought.

> You probably should send the power down and wait a few seconds before
> starting the loop.    It would seem to be pretty likely that if in
> the
> middle of the spin-down *ANY* command that is received causes it to
> power the disk fully back up and aborts the spin-down.  But once the
> disk is completely spun-down that specific command does not spin the
> disk back up.   In the middle of the spin-down it would appear that
> the disk is not yet in the certain commands do not cause a spin-up
> state.   This would assume the disk has 2 operational states.  When
> in
> the spun-up state any command causes a spin-up, once in the spun-down
> state certain commands don't cause a spin-up.    And until the
> spin-down is completed it would appear it is still in the first
> state.

Although that seems very reasonable, it doesn't explain why the *exact
same script* works when used from the command line, and doesn't work
when called from the systemd unit. All the looping, delaying, checking
etc. is within the script itself.

poc
_______________________________________________
users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure



[Index of Archives]     [Older Fedora Users]     [Fedora Announce]     [Fedora Package Announce]     [EPEL Announce]     [EPEL Devel]     [Fedora Magazine]     [Fedora Summer Coding]     [Fedora Laptop]     [Fedora Cloud]     [Fedora Advisory Board]     [Fedora Education]     [Fedora Security]     [Fedora Scitech]     [Fedora Robotics]     [Fedora Infrastructure]     [Fedora Websites]     [Anaconda Devel]     [Fedora Devel Java]     [Fedora Desktop]     [Fedora Fonts]     [Fedora Marketing]     [Fedora Management Tools]     [Fedora Mentors]     [Fedora Package Review]     [Fedora R Devel]     [Fedora PHP Devel]     [Kickstart]     [Fedora Music]     [Fedora Packaging]     [Fedora SELinux]     [Fedora Legal]     [Fedora Kernel]     [Fedora OCaml]     [Coolkey]     [Virtualization Tools]     [ET Management Tools]     [Yum Users]     [Yosemite News]     [Gnome Users]     [KDE Users]     [Fedora Art]     [Fedora Docs]     [Fedora Sparc]     [Libvirt Users]     [Fedora ARM]

  Powered by Linux