Re: xhci woes continued

2015-09-17 Thread Alan Stern
On Thu, 17 Sep 2015, Eugen Rogoza wrote: > > Also removing the XHCI_LPM_SUPPORT flag should do the trick, for example > > for Intel hosts: > > > > diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c > > index 2be1b7b..8f2eafb 100644 > > --- a/drivers/usb/host/xhci-pci.c > >

Re: xhci woes continued

2015-09-16 Thread Eugen Rogoza
> Also removing the XHCI_LPM_SUPPORT flag should do the trick, for example for > Intel hosts: > > diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c > index 2be1b7b..8f2eafb 100644 > --- a/drivers/usb/host/xhci-pci.c > +++ b/drivers/usb/host/xhci-pci.c > @@ -127,7 +127,6 @@

Re: xhci woes continued

2015-09-15 Thread Mathias Nyman
On 14.09.2015 22:18, Alan Stern wrote: On Sun, 13 Sep 2015, Hans-Peter Jansen wrote: usbmon log attached. It wasn't attached. Hrmpf. Hopefully now... This time the trace wasn't so useful. It doesn't show any obvious reason for the disconnections. It only shows that the port's link

Re: xhci woes continued

2015-09-14 Thread Alan Stern
On Sun, 13 Sep 2015, Hans-Peter Jansen wrote: > > > usbmon log attached. > > > > It wasn't attached. > > Hrmpf. Hopefully now... This time the trace wasn't so useful. It doesn't show any obvious reason for the disconnections. It only shows that the port's link state suddenly changes to

Re: xhci woes continued

2015-09-13 Thread Hans-Peter Jansen
On Samstag, 12. September 2015 14:46:42 Alan Stern wrote: > On Sat, 12 Sep 2015, Hans-Peter Jansen wrote: > > On Freitag, 11. September 2015 10:23:45 Alan Stern wrote: > > > On Fri, 11 Sep 2015, Hans-Peter Jansen wrote: > > > > I still have trouble with storage devices on xhci ports, that > > > >

Re: xhci woes continued

2015-09-13 Thread Alan Stern
On Sun, 13 Sep 2015, Hans-Peter Jansen wrote: > > The usbmon trace clearly shows the problem: The card reader's firmware > > doesn't handle transfers larger than 64 KB properly. (That's a bit of > > a guess on my part; what the trace really shows is that transfers of > > length 120 KB and 72 KB

Re: xhci woes continued

2015-09-13 Thread Hans-Peter Jansen
On Sonntag, 13. September 2015 10:23:13 Alan Stern wrote: > On Sun, 13 Sep 2015, Hans-Peter Jansen wrote: > > > The usbmon trace clearly shows the problem: The card reader's firmware > > > doesn't handle transfers larger than 64 KB properly. (That's a bit of > > > a guess on my part; what the

Re: xhci woes continued

2015-09-12 Thread Alan Stern
On Sat, 12 Sep 2015, Hans-Peter Jansen wrote: > On Freitag, 11. September 2015 10:23:45 Alan Stern wrote: > > On Fri, 11 Sep 2015, Hans-Peter Jansen wrote: > > > > > > I still have trouble with storage devices on xhci ports, that disappear as > > > soon as I change to an ehci port. > > > > > >

Re: xhci woes continued

2015-09-12 Thread Hans-Peter Jansen
On Freitag, 11. September 2015 10:23:45 Alan Stern wrote: > On Fri, 11 Sep 2015, Hans-Peter Jansen wrote: > > > > I still have trouble with storage devices on xhci ports, that disappear as > > soon as I change to an ehci port. > > > > My current kernel version is 4.1.6. > > Device is a Transcend

xhci woes continued

2015-09-11 Thread Hans-Peter Jansen
Hi Mathias, with some changes within the 4.0 time frame, together with a new driver frontend resolved the scanner issue for me. Thanks. I still have trouble with storage devices on xhci ports, that disappear as soon as I change to an ehci port. My current kernel version is 4.1.6. Device is

Re: xhci woes continued

2015-09-11 Thread Alan Stern
On Fri, 11 Sep 2015, Hans-Peter Jansen wrote: > Hi Mathias, > > with some changes within the 4.0 time frame, together with a new driver > frontend > resolved the scanner issue for me. Thanks. > > I still have trouble with storage devices on xhci ports, that disappear as > soon > as I change