Preferably get the information before the dongle is seen as removed. If we can't, we can assume the USB driver is uhci_hcd (below, the requested information, blue colored, is given as an example): # /bin/dmesg | grep HASP
usb 2-2.1: Product: HASP HL 3.25
# /bin/dmesg | grep "usb 2-2.1" | grep hci_hcd
usb 2-2.1: new low speed USB device number 4 using uhci_hcd
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Execute the following commands to try to make the USB license dongle readable again (below, the requested information, blue colored, is given as an example): # ls /sys/bus/pci/drivers/uhci_hcd | grep :
0000:02:01.0
# echo 0000:02:01.0 >/sys/bus/pci/drivers/uhci_hcd/unbind
# echo 0000:02:01.0 >/sys/bus/pci/drivers/uhci_hcd/bind
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 Repeat the unbind/bind commands for each line displayed by the 'ls' command if any
Restart the aksusbd service: | Red Hat Enterprise Linux 6.x | Red Hat Enterprise Linux 7.x and CentOS 7.x (systemd) |
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# service aksusbd restart |
# systemctl restart aksusbd
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Check if the license can be read: # hasp_srm_view
License Manager running at host: charonrhel64
License Manager IP address: 127.0.0.1
...
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 Monitor the guest log file for license detection on next check
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