The log files are flooded with "xhci_hcd WARN" messages.
Issue
- The log files, both /var/log/messages and dmesg, are flooded with message like :
kernel: xhci_hcd XXXX: WARN Event TRB for slot 1 ep 4 with no TDs queued?
where XXXX is a PCI device ID.
Environment
-
Observed on :
- RHEL 6
- RHEL 7
-
Observed on the following kernel versions :
- 2.6.32-504.12.2.el6.x86_64
- 3.10.0-514.26.2.el7.x86_64
- 3.10.0-693.el7.x86_64
-
This issue is observed on servers using USB Smart-card Reader.
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