- Following error is reported in /var/log/messages in Hyper-V or KVM guest.
"serial8250: too much work for irq4"
- Red Hat Enterprise Linux 7
- Seen on Kernel-3.10.0-327.10.1.el7 / kernel-3.10.0-862.11.6.el7
- Red Hat Enterprise Linux 8
- Microsoft Hyper-V (Version: 7.0) / KVM
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