I am also having this problem on a Asus B85M-G motherboard connected to a back usb2 port. It works for a few days, and then there is a usb disconnect and reconnect, and that's when I get the "broken pipe" error. Have tried on Gentoo Linux kernels: 3.14.49-hardened and 4.1.6-hardened. Using nut 2.7.2, libusb 1.0.19, and libusb-compat 0.1.5. Once this happens the only way to fix it seems to be to either power cycle the ups or sometimes rebooting the computer a few times might fix it. I did notice it is using the xhci driver even for the motherboard's usb2 ports though and the usb doesn't disconnect if I unbind the two usb2 pci devices from the ehci driver, only when I unbind the single usb3 pci device from the xhci driver.
Thanks Matthew Stapleton [email protected] On 10 August 2014 at 16:10, Leith Bade <[email protected]> wrote: > On 10 August 2014 09:05, Charles Lepple <[email protected]> wrote: > > On Aug 7, 2014, at 7:57 AM, Leith Bade <[email protected]> > wrote: > > > > Error -32 is EPIPE, which means that the PC didn't see a reply from the > device during the descriptor read. I don't know that we have ever > successfully run one of these issues to ground. > > > > Considering Eaton do officially support Linux in their documentation > for this product (as well as make their own Linux UPS client) I will > see if they are able to fix it. Otherwise I will just have to return > it and get another brand. > > Also do you know how I can log more detailed debug info from the > Kernel for USB? Perhaps a dump of all USB data to a file somewhere may > make it easier to see exactly what is going on. > > > When you plug into the non-3.0 ports, what HCD driver is it using? > > > I generally keep it plugged into the 2.0 ports. Here is the output > from dmesg at boot (when it is working) > [ 0.374422] usbcore: registered new interface driver usbfs > [ 0.374443] usbcore: registered new interface driver hub > [ 0.374503] usbcore: registered new device driver usb: > ... > [ 1.508833] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > [ 1.516042] ehci-pci: EHCI PCI platform driver > [ 1.523181] ehci-platform: EHCI generic platform driver > [ 1.530293] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver > [ 1.537416] ohci-pci: OHCI PCI platform driver > [ 1.544488] ohci-platform: OHCI generic platform driver > [ 1.551537] uhci_hcd: USB Universal Host Controller Interface driver > [ 1.558906] xhci_hcd 0000:00:14.0: xHCI Host Controller > [ 1.565959] xhci_hcd 0000:00:14.0: new USB bus registered, assigned > bus number 1 > [ 1.573220] xhci_hcd 0000:00:14.0: cache line size of 64 is not > supported > [ 1.573270] xhci_hcd 0000:00:14.0: irq 44 for MSI/MSI-X > [ 1.573418] usb usb1: New USB device found, idVendor=1d6b, > idProduct=0002 > [ 1.580669] usb usb1: New USB device strings: Mfr=3, Product=2, > SerialNumber=1 > [ 1.587899] usb usb1: Product: xHCI Host Controller > [ 1.595059] usb usb1: Manufacturer: Linux 3.13.0-32-generic xhci_hcd > [ 1.602239] usb usb1: SerialNumber: 0000:00:14.0 > [ 1.609600] hub 1-0:1.0: USB hub found > [ 1.616605] hub 1-0:1.0: 10 ports detected > [ 1.629387] xhci_hcd 0000:00:14.0: xHCI Host Controller > [ 1.636300] xhci_hcd 0000:00:14.0: new USB bus registered, assigned > bus number 2 > [ 1.643425] usb usb2: New USB device found, idVendor=1d6b, > idProduct=0003 > [ 1.650424] usb usb2: New USB device strings: Mfr=3, Product=2, > SerialNumber=1 > [ 1.657393] usb usb2: Product: xHCI Host Controller > [ 1.664350] usb usb2: Manufacturer: Linux 3.13.0-32-generic xhci_hcd > [ 1.671278] usb usb2: SerialNumber: 0000:00:14.0 > [ 1.678293] hub 2-0:1.0: USB hub found > [ 1.684992] hub 2-0:1.0: 2 ports detected > ... > [ 2.797764] usb 1-10: new low-speed USB device number 4 using xhci_hcd > ... > [ 3.423585] usb 1-10: New USB device found, idVendor=0463, > idProduct=ffff > [ 3.423599] usb 1-10: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 3.423604] usb 1-10: Product: 5E > [ 3.423605] usb 1-10: Manufacturer: EATON > [ 3.424529] usb 1-10: ep 0x81 - rounding interval to 128 > microframes, ep desc says 160 microframes > [ 3.472025] hidraw: raw HID events driver (C) Jiri Kosina > ... > > I guess that means it is using xhci_hcd. All USB ports show up as > usb1-x (on both this motherboard and the other motherboard). > > Only other things of interest is that I have only ever had these > plugged into the other USB ports - mouse, keyboard, Sierra 3G modem, > Huawei 3G modem. On the current motherboard various 'virtual' devices > such as mouse, keyboard, floppy, CD drive, and HDD also appear from > the BIOS's remote control features. > > However when I first got these problems was with the previous > motherboard and it would occur if nothing else was plugged in too. > > > > I wouldn't recommend using a hub in production, but if you have an older > USB hub lying around, does that help? Shorter cables are also useful, > though low-speed USB 1.1 is pretty resilient to noise. > > > > Also, if you can fix it without rebooting the PC, the issue is probably > external to the PC. > > > > I will try it with a USB hub. Unfortunately I don't have a shorter > cable currently. The one I am using is an aftermarket generic 1m USB > 2.0 cable purchased from a local office supply store (Office Works) > since the UPS did not come with a cable :-( This cable appears to be > good quality as it is rather thick. > > > > > Did you have a chance to check the NUT archives? I vaguely remember some > motherboard-specific threads. > > > > A bit of searching did not turn up much. Only thing I found was a > similar error with a MGE unit a few years ago. Did not say anything > about the motherboard. > > Thanks, > Leith Bade > [email protected] > > _______________________________________________ > Nut-upsuser mailing list > [email protected] > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/nut-upsuser > -- Matthew Stapleton Email: [email protected]
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