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Cisco Bug: CSCup60252 - USB Startup must be protected against unsupported devices

Last Modified

Jul 31, 2020

Products (1)

  • Cisco 2900 Series Integrated Services Routers

Known Affected Releases

15.4(1)T1 15.6(2)T

Description (partial)

Symptom:
Unsupported USB devices must not be read to protect the system from adverse consequences including the following messages:

%USB_HOST_STACK-5-USB_ENUM_UNSUPPORTED_DEVICE: Unsupported device inserted. Host id 2, Device Addr 1.

%SCHED-3-CORRUPT: Scheduler 'event magic' corrupted by process USB Startup (expected DEADFEED, found 0) -Process= "USB Startup", ipl= 0, pid= 124

An unexpected reboot may occur.

Conditions:
An unsupported device is attached to the USB port and cannot be read.
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