[Bug 1483615] Re: usbhid-ups driver segfaults on discovery of UPS
davis
davis65536 at yahoo.co.uk
Mon Jan 25 12:30:24 UTC 2016
Hi Charles,
I can see your thinking, but no, this isn't a VM, nor is the kernel I'm
using a Hypervisor - it's a plain old machine:
root at barnbox:~# grep -i hyper /proc/cpuinfo
root at barnbox:~#
I updated the machine with apt-get (again) and I also updated the machine's BIOS. Prior to doing the updates I tried the lsusb command and it worked:
root at barnbox:~# lsusb -vvv -d051d:
Bus 001 Device 003: ID 051d:0002 American Power Conversion Uninterruptible Power Supply
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x051d American Power Conversion
idProduct 0x0002 Uninterruptible Power Supply
bcdDevice 0.06
iManufacturer 3 American Power Conversion
iProduct 1 Back-UPS CS 350 FW:807.q10 .I USB FW:q10
iSerial 2 4B1419P32390
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 34
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 2mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.10
bCountryCode 33 US
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 1217
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0006 1x 6 bytes
bInterval 100
Device Status: 0x0000
(Bus Powered)
root at barnbox:~#
However, weirdly, since doing the update, usbhid-ups no longer segfaults - it still doesn't work, but it's interesting
Annoyingly, I never ran the intermediate stages, so I don't know which
change made the difference (I suppose it could be HP's firmware doing
something funky, but I doubt it...):
I believe this usbhid-ups command should match the UPS, but it appears
to skip it:
root at barnbox:~# /lib/nut/usbhid-ups -u nut -a apc -x bus=001 -x vendorid=051D -x productid=0002 -DDDD
Network UPS Tools - Generic HID driver 0.38 (2.7.1)
USB communication driver 0.32
0.000000 debug level is '4'
0.000409 upsdrv_initups...
0.022724 Checking device (1D6B/0003) (005/001)
0.023048 - VendorID: 1d6b
0.023060 - ProductID: 0003
0.023064 - Manufacturer: unknown
0.023067 - Product: unknown
0.023069 - Serial Number: unknown
0.023072 - Bus: 005
0.023075 Trying to match device
0.023087 Device does not match - skipping
0.023225 Checking device (1D6B/0002) (004/001)
0.023392 - VendorID: 1d6b
0.023405 - ProductID: 0002
0.023409 - Manufacturer: unknown
0.023412 - Product: unknown
0.023414 - Serial Number: unknown
0.023417 - Bus: 004
0.023420 Trying to match device
0.023424 Device does not match - skipping
0.023492 Checking device (1D6B/0001) (003/001)
0.054600 - VendorID: 1d6b
0.054612 - ProductID: 0001
0.054616 - Manufacturer: unknown
0.054619 - Product: unknown
0.054622 - Serial Number: unknown
0.054624 - Bus: 003
0.054627 Trying to match device
0.054632 Device does not match - skipping
0.062511 Checking device (0424/4030) (002/004)
0.062541 - VendorID: 0424
0.062546 - ProductID: 4030
0.062549 - Manufacturer: unknown
0.062552 - Product: unknown
0.062555 - Serial Number: unknown
0.062557 - Bus: 002
0.062560 Trying to match device
0.062564 Device does not match - skipping
0.062570 Checking device (0424/2660) (002/003)
0.062580 - VendorID: 0424
0.062583 - ProductID: 2660
0.062586 - Manufacturer: unknown
0.062588 - Product: unknown
0.062591 - Serial Number: unknown
0.062593 - Bus: 002
0.062596 Trying to match device
0.062599 Device does not match - skipping
0.062603 Checking device (8087/0024) (002/002)
0.062611 - VendorID: 8087
0.062614 - ProductID: 0024
0.062617 - Manufacturer: unknown
0.062619 - Product: unknown
0.062622 - Serial Number: unknown
0.062624 - Bus: 002
0.062627 Trying to match device
0.062630 Device does not match - skipping
0.062634 Checking device (1D6B/0002) (002/001)
0.062644 - VendorID: 1d6b
0.062647 - ProductID: 0002
0.062649 - Manufacturer: unknown
0.062652 - Product: unknown
0.062655 - Serial Number: unknown
0.062657 - Bus: 002
0.062659 Trying to match device
0.062662 Device does not match - skipping
0.062667 Checking device (051D/0002) (001/003)
0.100598 - VendorID: 051d
0.100611 - ProductID: 0002
0.100615 - Manufacturer: American Power Conversion
0.100618 - Product: Back-UPS CS 350 FW:807.q10 .I USB FW:q10
0.100621 - Serial Number: 4B1419P32390
0.100624 - Bus: 001
0.100626 Trying to match device
0.100668 Device does not match - skipping
0.100679 Checking device (8087/0024) (001/002)
0.100694 - VendorID: 8087
0.100697 - ProductID: 0024
0.100700 - Manufacturer: unknown
0.100703 - Product: unknown
0.100705 - Serial Number: unknown
0.100708 - Bus: 001
0.100710 Trying to match device
0.100714 Device does not match - skipping
0.100719 Checking device (1D6B/0002) (001/001)
0.100731 - VendorID: 1d6b
0.100734 - ProductID: 0002
0.100737 - Manufacturer: unknown
0.100739 - Product: unknown
0.100742 - Serial Number: unknown
0.100744 - Bus: 001
0.100747 Trying to match device
0.100749 Device does not match - skipping
0.100754 No appropriate HID device found
0.100758 No matching HID UPS found
Still, at least it doesn't segfault!
--
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https://bugs.launchpad.net/bugs/1483615
Title:
usbhid-ups driver segfaults on discovery of UPS
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