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identi
2014 Nov 22
1
usbhid-ups causes hang/crash in ohci driver
...t; from upsd but before the actual panic
occurs, I can unload and reload the ohci drivers and prevent the crash.
Both systems are running nut-2.7.1 compiled from source. The UPS units
involved are not identical; one is an older MGE Pulsar while the other
is a newer Eaton, but both use the same USB identiier (0463:ffff, "MGE
UPS Systems UPS"). The USB chipsets involved are quite dissimilar
(Nvidia vs. VIA).
Is this likely to be a bug in nut, or has the nut usbhid-ups driver
perhaps triggered an underlying kernel bug in the USB driver subsystem?
Anything I can do to narrow down what's c...