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Hi, I'm having a hard time configuring a Mustek Powermust 600VA ups to work via USB with nut. I read somewhere that nut works OK via the rs232 cable, but unfortunately I don't have a COM port in my computer. The kernel detects the ups as an Xbox pad :) and loads the xpad module. I tried running /lib/nut/megatec with different /dev/ttySx but it displays megatec protocol UPS was not

...101,11 +103,33 @@ goto errout; } +#if LIBUSB_HAS_DETACH_KRNL_DRV + /* this method requires at least libusb 0.1.8: + * it force device claiming by unbinding + * attached driver... From libhid */ + retry = 3; + while (usb_set_configuration(dev_h, 1) != 0 && retry-- > 0) { +// while ((dev_claimed = usb_claim_interface(dev_h, 0)) != 0 && retry-- > 0) { + + upsdebugx(2, "failed to claim USB device, trying %d more time(s)...", retry); + + upsdebugx(2, "detaching kernel driv...

...-101,11 +103,33 @@ goto errout; } +#if LIBUSB_HAS_DETACH_KRNL_DRV + /* this method requires at least libusb 0.1.8: + * it force device claiming by unbinding + * attached driver... From libhid */ + retry = 3; + while (usb_set_configuration(dev_h, 1) != 0 && retry-- > 0) { +// while ((dev_claimed = usb_claim_interface(dev_h, 0)) != 0 && retry-- > 0) { + + upsdebugx(2, "failed to claim USB device, trying %d more time(s)...", retry); + + upsdebugx(2, "detaching kernel dr...

...-101,11 +103,33 @@ goto errout; } +#if LIBUSB_HAS_DETACH_KRNL_DRV + /* this method requires at least libusb 0.1.8: + * it force device claiming by unbinding + * attached driver... From libhid */ + retry = 3; + while (usb_set_configuration(dev_h, 1) != 0 && retry-- > 0) { +// while ((dev_claimed = usb_claim_interface(dev_h, 0)) != 0 && retry-- > 0) { + + upsdebugx(2, "failed to claim USB device, trying %d more time(s)...", retry); + + upsdebugx(2, "detaching kernel dr...

...(Ignore the commented-out goto.) Since these messages are at the LOG_ERR level, should we add usb_strerror() to all of the calls in nut_usb.c? diff --git a/drivers/nut_usb.c b/drivers/nut_usb.c index 494a1fa..4ca2691 100644 --- a/drivers/nut_usb.c +++ b/drivers/nut_usb.c @@ -165,8 +165,8 @@ usb_dev_handle *nutusb_open(const char *port) if (usb_clear_halt(dev_h, 0x81) < 0) { - upslogx(LOG_ERR, "Can't reset POWERWARE USB endpoint"); - goto errout; + upslogx(LOG_ERR, "Can't reset POWERWARE USB endpoint: %s", usb_strerror()...