It's been a while since I tried to use NUT, so I thought I would give it another try. Big trouble.
The UPS is a Tripp-Lite AVR 550U. It has only a USB connector. The computer is running Red Hat Enterprise Linux 4. I just installed NUT version 2.2.0. I'm going through the steps in the INSTALL document. # cat ups.conf [igor] driver = usbhid-ups port = auto desc = "Igor's computer UPS" vendorid = 09ae When I run the command # ../bin/usbhid-ups -a igor -DD -u root it produces the long output which is attached below. Then the machine crashes. I think the UPS just turns off the power. The log file contains the line Dec 4 16:05:26 computer kernel: usb 2-2: USB disconnect, address 2 As you might guess, I am out of favor with the guy who uses the machine. I won't get to touch it again unless I can convince him that I know what I'm doing. Can anyone explain this? --------------------------------------------------------------------- ]# ../bin/usbhid-ups -a igor -DD -u root Network UPS Tools: 0.28 USB communication driver 0.28 - core 0.30 (2.2.0) debug level is '2' Checking device (049F/008D) (002/003) - VendorID: 049f - ProductID: 008d - Manufacturer: Chicony - Product: HP Wireless Receiver - Serial Number: unknown - Bus: 002 Trying to match device Device does not match - skipping Checking device (09AE/1003) (002/002) - VendorID: 09ae - ProductID: 1003 - Manufacturer: Tripp Lite - Product: TRIPP LITE UPS - Serial Number: 692186 A - Bus: 002 Trying to match device Device matches failed to claim USB device, trying 2 more time(s)... detaching kernel driver from USB device... trying again to claim USB device... HID descriptor retrieved (Reportlen = 459) Report descriptor retrieved (Reportlen = 459) Found HID device Report Descriptor size = 459 Detected a UPS: Tripp Lite /TRIPP LITE UPS Using subdriver: TrippLite HID 0.1 (experimental) Path: UPS.PowerSummary.iProduct, Type: Feature, ReportID: 0x28, Offset: 0, Size: 8, Value: 1.000000 Path: UPS.PowerSummary.iSerialNumber, Type: Feature, ReportID: 0x29, Offset: 0, Size: 8, Value: 2.000000 Path: UPS.PowerSummary.iManufacturer, Type: Feature, ReportID: 0x2b, Offset: 0, Size: 8, Value: 3.000000 Path: UPS.PowerSummary.Input.ConfigVoltage, Type: Feature, ReportID: 0x30, Offset: 0, Size: 8, Value: 120.000000 Path: UPS.PowerSummary.AudibleAlarmControl, Type: Feature, ReportID: 0x11, Offset: 0, Size: 8, Value: 2.000000 Path: UPS.PowerSummary.iDeviceChemistry, Type: Feature, ReportID: 0x2a, Offset: 0, Size: 8, Value: 24.000000 Path: UPS.PowerSummary.CapacityMode, Type: Feature, ReportID: 0x33, Offset: 0, Size: 8, Value: 2.000000 Path: UPS.PowerSummary.RemainingCapacity, Type: Input, ReportID: 0x34, Offset: 0, Size: 8, Value: 100.000000 Path: UPS.PowerSummary.RemainingCapacity, Type: Feature, ReportID: 0x34, Offset: 0, Size: 8, Value: 100.000000 Path: UPS.PowerSummary.FullChargeCapacity, Type: Feature, ReportID: 0x37, Offset: 0, Size: 8, Value: 100.000000 Path: UPS.PowerSummary.PresentStatus.ShutdownImminent, Type: Input, ReportID: 0x32, Offset: 0, Size: 1, Value: 0.000000 Can't find object UPS.PowerSummary.PresentStatus.TLACPresent Path: UPS.PowerSummary.PresentStatus.TLACPresent, Type: Input, ReportID: 0x32, Offset: 1, Size: 1 Can't find object UPS.PowerSummary.PresentStatus.TLCharging Path: UPS.PowerSummary.PresentStatus.TLCharging, Type: Input, ReportID: 0x32, Offset: 2, Size: 1 Can't find object UPS.PowerSummary.PresentStatus.TLDischarging Path: UPS.PowerSummary.PresentStatus.TLDischarging, Type: Input, ReportID: 0x32, Offset: 3, Size: 1 Can't find object UPS.PowerSummary.PresentStatus.TLNeedReplacement Path: UPS.PowerSummary.PresentStatus.TLNeedReplacement, Type: Input, ReportID: 0x32, Offset: 4, Size: 1 Path: UPS.PowerSummary.PresentStatus.ShutdownImminent, Type: Feature, ReportID: 0x32, Offset: 0, Size: 1, Value: 0.000000 Path: UPS.PowerSummary.PresentStatus.ACPresent, Type: Feature, ReportID: 0x32, Offset: 1, Size: 1, Value: 1.000000 Path: UPS.PowerSummary.PresentStatus.Charging, Type: Feature, ReportID: 0x32, Offset: 2, Size: 1, Value: 1.000000 Path: UPS.PowerSummary.PresentStatus.Discharging, Type: Feature, ReportID: 0x32, Offset: 3, Size: 1, Value: 0.000000 Path: UPS.PowerSummary.PresentStatus.NeedReplacement, Type: Feature, ReportID: 0x32, Offset: 4, Size: 1, Value: 0.000000 Path: UPS.BatterySystem.Battery.ConfigVoltage, Type: Feature, ReportID: 0x04, Offset: 0, Size: 16, Value: 12.000000 Path: UPS.BatterySystem.Battery.PresentStatus.Charging, Type: Feature, ReportID: 0x23, Offset: 0, Size: 1, Value: 1.000000 Path: UPS.BatterySystem.Battery.PresentStatus.Discharging, Type: Feature, ReportID: 0x23, Offset: 1, Size: 1, Value: 0.000000 Path: UPS.BatterySystem.Battery.PresentStatus.NeedReplacement, Type: Feature, ReportID: 0x23, Offset: 2, Size: 1, Value: 0.000000 Path: UPS.BatterySystem.Test, Type: Feature, ReportID: 0x10, Offset: 0, Size: 8, Value: 1.000000 Path: UPS.Flow.ConfigVoltage, Type: Feature, ReportID: 0x01, Offset: 0, Size: 8, Value: 120.000000 Path: UPS.Flow.ConfigFrequency, Type: Feature, ReportID: 0x02, Offset: 0, Size: 8, Value: 60.000000 Path: UPS.Flow.ConfigApparentPower, Type: Feature, ReportID: 0x03, Offset: 0, Size: 16, Value: 550.000000 Path: UPS.OutletSystem.Outlet.DelayBeforeShutdown, Type: Feature, ReportID: 0x15, Offset: 0, Size: 16, Value: 65535.000000 Path: UPS.OutletSystem.Outlet.ffff0091, Type: Feature, ReportID: 0x51, Offset: 0, Size: 8, Value: 0.000000 Path: UPS.OutletSystem.Outlet.ffff0092, Type: Feature, ReportID: 0x52, Offset: 0, Size: 8, Value: 0.000000 Path: UPS.OutletSystem.Outlet.ffff00c7, Type: Feature, ReportID: 0x9d, Offset: 0, Size: 8, Value: 1.000000 Path: UPS.ffff0010.[1].ffff007d, Type: Feature, ReportID: 0x6c, Offset: 0, Size: 16, Value: 4099.000000 Path: UPS.ffff0015.[1].ffff00c0, Type: Feature, ReportID: 0x96, Offset: 0, Size: 8, Value: 255.000000 Path: UPS.ffff0015.[1].ffff00d2, Type: Feature, ReportID: 0xb4, Offset: 0, Size: 32, Value: 255.000000 Path: UPS.ffff0015.[1].ffff00c1, Type: Feature, ReportID: 0x97, Offset: 0, Size: 16, Value: 255.000000 Path: UPS.ffff0015.[1].ffff00c2, Type: Feature, ReportID: 0x98, Offset: 0, Size: 8, Value: 255.000000 Path: UPS.ffff0015.[1].ffff00c3, Type: Feature, ReportID: 0x99, Offset: 0, Size: 16, Value: 255.000000 Path: UPS.ffff0015.[1].ffff00c5, Type: Feature, ReportID: 0x9b, Offset: 0, Size: 16, Value: 2.000000 Can't retrieve Report 154 (32): Broken pipe Path: UPS.ffff0015.[1].ffff00c4, Type: Feature, ReportID: 0x9a, Offset: 0, Size: 32 Can't find object UPS.PowerSummary.RemainingCapacityLimit Can't find object UPS.PowerSummary.WarningCapacityLimit Can't find object UPS.PowerSummary.RunTimeToEmpty Can't find object UPS.BatterySystem.Battery.Voltage - Unable to fetch string 24 Can't find object UPS.BatterySystem.Temperature Can't find object UPS.OutletSystem.Outlet.DelayBeforeStartup Can't find object UPS.OutletSystem.Outlet.DelayBeforeReboot Can't find object UPS.OutletSystem.Outlet.ActivePower Can't find object UPS.PowerConverter.Output.ActivePower Can't find object UPS.OutletSystem.Outlet.PercentLoad Can't find object UPS.PowerSummary.PresentStatus.BelowRemainingCapacityLimit Can't find object UPS.PowerSummary.PresentStatus.FullyCharged Can't find object UPS.PowerConverter.PresentStatus.Overload Can't find object UPS.PowerConverter.PresentStatus.Boost Can't find object UPS.PowerConverter.PresentStatus.Buck Can't find object UPS.PowerSummary.PresentStatus.TLACPresent Can't find object UPS.PowerSummary.PresentStatus.TLDischarging Can't find object UPS.PowerSummary.PresentStatus.TLCharging Can't find object UPS.PowerSummary.PresentStatus.TLNeedReplacement Can't find object UPS.PowerConverter.PresentStatus.OverTemperature Can't find object UPS.PowerConverter.PresentStatus.AwaitingPower Can't find object UPS.PowerConverter.PresentStatus.InternalFailure Can't find object UPS.PowerConverter.PresentStatus.VoltageOutOfRange Can't find object UPS.PowerConverter.Input.Voltage Can't find object UPS.PowerConverter.Input.Frequency Can't find object UPS.PowerConverter.Output.HighVoltageTransfer Can't find object UPS.PowerConverter.Output.LowVoltageTransfer Can't find object UPS.PowerSummary.Voltage Can't find object UPS.PowerConverter.Output.Voltage Can't find object UPS.PowerConverter.Output.Current Can't find object UPS.PowerConverter.Output.Frequency Can't find object UPS.OutletSystem.Outlet.DelayBeforeStartup upsdrv_updateinfo... - Unable to fetch string 24 dstate_init: sock /var/state/ups/usbhid-ups-igor open on fd 5 upsdrv_updateinfo... 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