Hello


On 06/14/2017 03:32 PM, Arnaud Quette wrote:


On Jun 7, 2017, at 5:47 AM, Manuel Wolfshant <[email protected] <mailto:[email protected]>> wrote:

        >
        >    If that matters, the OS is a fully updated CentOS 6.9
        and this (latest stable ) version of nut was packaged by me.
        The problem appears on any of the USB ports ( well, I tried
        the 2 in front and one in the back of the server ).
        >
        > lsusb -v reports:
        ...
        >         wDescriptorLength     549
        >          Warning: incomplete report descriptor
        >          Report Descriptor: (length is 9)
        >            Item(Main  ): (null), data=none

        Because both NUT and lsusb are having trouble retrieving the
        HID Report Descriptor, I think the problem is at a lower
        level: probably between the UPS, the kernel, and the USB HCI.
        The archives have a number of unresolved emails about the 5E
        and "broken pipe" errors.

        Probably worth checking with Eaton, too.


    Charles is right in both the fact that the issue is (or at least
    seems to be) upstream to NUT, and also that it's worth checking
    with "Eaton"

        I've approached "them" ( apparently my request for supported
    landed at after-sales support/Romania ) as soon as Charles
    replied. Unfortunately the "dialogue" rather stalls, they seem to
    have a policy to not send more than one email every 3 days.
    Leaving aside that after telling them that I am using an *USB
    *unit (and providing USB-related logs ) they wanted to know if I
    was using *SNMP*.


no comments ;)
.... still no reply from them ...



    Could you please tell me your kernel
    [root@belgrade ~]# uname -r
    2.6.32-696.3.1.el6.x86_64


that may be part of the issue... long time I've not tried the 2.x series, not sure how it goes nowadays.
btw, any interesting "usb" messages from your syslog?
also, would you be able to test with a 3.x or 4.x, at least to see if that improves / solves the issue?

It's a bit tricky. I tried to use the kernel-lt package from the elrepo repository ( incidentally I am also part of the elrepo team but I am in charge with other packages, not the kernels ) and failed miserably. For reasons unknown to me ( and not logged ) the system failed to boot and a colleague from that office had to manually make it use the stock CentOS kernel ( typing what I was dictating to him over the phone .. ) Due to a complete lack of logs, I have absolutely no idea what happened and since the machine is critical for the activity there, I am a bit reluctant to try again



    Would you also be able to test some github code?
    We have the libusb-1.0 branch that provides both libusb 1.0
    support (interesting to test to see if the problem still happens)
    along with few other improvements (though these should not help
    for your issue):
    https://github.com/networkupstools/nut/tree/libusb-1.0
    <https://github.com/networkupstools/nut/tree/libusb-1.0>

    I can and I will test ( tomorrow, probably ).


I just packaged and tested it ( see below some comments, not important for my issue here )
Unfortunately there is no change in the output:

[root@belgrade ~]#u root -x explore -x vendorid="0463" -a eaton
Network UPS Tools - Generic HID driver 0.42 (2.7.4.1)
USB communication driver (libusb 0.1) 0.33
   0.000000     [D1] debug level is '4'
   0.012088     [D1] upsdrv_initups...
   8.248213     [D2] Checking device (0463/FFFF) (002/004)
   9.249069     [D2] - VendorID: 0463
   9.249094     [D2] - ProductID: ffff
   9.249129     [D2] - Manufacturer: unknown
   9.249135     [D2] - Product: unknown
   9.249140     [D2] - Serial Number: unknown
   9.249145     [D2] - Bus: 002
   9.249151     [D2] - Device release number: 0001
   9.249156     [D2] Trying to match device
   9.249199     [D2] Device matches
9.249209 [D2] failed to claim USB device: could not claim interface 0: Device or resource busy
   9.249373     [D2] detached kernel driver from USB device...
9.249394 [D3] nut_usb_set_altinterface: skipped usb_set_altinterface(udev, 0) 9.249991 [D2] Unable to get HID descriptor (error sending control message: Broken pipe)
   9.250002     [D3] HID descriptor length (method 1) -1
   9.250009     [D4] i=0, extra[i]=09, extra[i+1]=21
9.250017 [D3] HID descriptor, method 2: (9 bytes) => 09 21 10 01 21 01 22 25 02
   9.250023     [D3] HID descriptor length (method 2) 549
   9.250028     [D2] HID descriptor length 549
   9.250515     [D2] Unable to get Report descriptor: Broken pipe







    Comments on the new tree:
a)    there seem to be some missing files in the tree:
- some bits for augeas, devs and udev:
configure.ac:1526: required file `scripts/augeas/nutupsconf.aug.in' not found
configure.ac:1526: required file `scripts/devd/nut-usb.conf.in' not found
configure.ac:1526: required file `scripts/udev/nut-usbups.rules.in' not found
- all man pages
b) on top of that, I did not manage to include the manpages in the final rpms because the new configure script insists on using tools not available on CentOS 6 ( a newer asciidoc, for a start ) and I was too lazy to just include the pages as they are. Why did you change that towards 2.7.4, oooh why ? It was working sooooooooooooo fine....

FWIW, I modified the spec to create a separate subpackage for the augeas lenses/modules -- those did not seem to exists in 2.7.4. If anyone wishes to toy with the spec or rpm packages I will be happy to share them.

    Regards,

            manuel
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