My deepest apologies.. I ran those commands on another computer (I'm ssh tunnelling)... here is the output of: sudo mount -t usbfs none /proc/bus/usb mount: mounting none on /proc/bus/usb failed: no such file or directory cat /proc/bus/usb/devices: no such file or directory sudo mount -t debugfs none /sys/kernel/debug mount: muonting none on /sys/kernel/debug failed: Device or resource busy As well, all usbmon outputs are returning me nothing when plugging in/out the broken USB ports that are in question On Fri, Mar 4, 2016 at 2:53 PM, Devon Ash <noobaca2@xxxxxxxxx> wrote: > Regarding Kernel 4.2.0-30-lowlatency, > > system-udevd is now giving me the outputs on boot: > > seq 1106 '/devices/pci0000:00/0000:00:1a.0/usb5 killed (same for usb6) > reason being ; a timeout > > Then I start to get > > usb 5-1: device not accepting address 5, error -110 > usb usb5-port1; unable to enumerate USB device > > and the same for usb6. > > There is also: > > system-udevd: worker terminated by signal 9, and then the system waits > for 2-5 minutes, finishing with a kernel hang and a stack trace "not > tainted, blocked for more than 120 seconds" > > > > On Fri, Mar 4, 2016 at 2:34 PM, Devon Ash <noobaca2@xxxxxxxxx> wrote: >> If they are completely unresponsive, why do you get the -110 errors? I >> would expect you wouldn't get anything at all. >> >> They become unresponsive after the -110 errors. Dmesg will show >> nothing after those errors come up during boot. >> >> Failing that, can you at least provide a usbmon trace showing what >> happens when you plug a device into one of the bad ports? >> >> usbmon trace: >> >> I'm unable to get anything from doing "cat 0u && cat 5u && cat 6u" >> (which are all of the offending devices locations) >> >> >> And also a >> dmesg log with USB debugging enabled? >> >> dmesg shows nothing. I htink I'm missing something - to enable USB >> debugging all that needs to be done is mount the debugfs right? >> >> >> What type of motherboard or system is this? >> >> Mini ITX from ASRock. >> >> Can you try using a more up-to-date kernel, such as 4.4? >> >> I'll try, and get back to you. >> >> On Fri, Mar 4, 2016 at 1:59 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: >>> On Fri, 4 Mar 2016, Devon Ash wrote: >>> >>>> I'm unable to use 8 of the 10 USB devices I have on a motherboard. Two >>>> USB 3.0 ports work, and all of the devices, if plugged into a hub, can >>>> be recognized and used if plugged through those 2 ports. However, the >>>> other ports are completely unresponsive. >>> >>> If they are completely unresponsive, why do you get the -110 errors? I >>> would expect you wouldn't get anything at all. >>> >>>> Thoughts/Ideas? The broken drivers are ehci-pci. xhci-hcd works on the >>>> usb 3.0 ports, but for 2 other usb 3.0 ports it does not work. >>>> >>>> The machine is being netbooted and running kernel 3.19-49-lowlatency >>>> (i've tried with generic as well). This same identical setup running >>>> off of a hard disk boot does not have this problem for any USB ports. >>>> Im lead to believe there may be a bug in the ehci-pci driver while >>>> using netboot. >>> >>> What type of motherboard or system is this? >>> >>> Can you try using a more up-to-date kernel, such as 4.4? >>> >>> Failing that, can you at least provide a usbmon trace showing what >>> happens when you plug a device into one of the bad ports? And also a >>> dmesg log with USB debugging enabled? >>> >>> Alan Stern >>> >> >> >> >> -- >> >> Devon Ash >> <a href="http://ca.linkedin.com/pub/devon-ash/48/478/981"; >> style="text-decoration:none;"><span style="font: 80% Arial,sans-serif; >> color:#0783B6;"><img >> src="https://static.licdn.com/scds/common/u/img/webpromo/btn_in_20x15.png"; >> width="20" height="15" alt="View Devon Ash's LinkedIn profile" >> style="vertical-align:middle" border="0">View Devon Ash's >> profile</span></a> > > > > -- > > Devon Ash > <a href="http://ca.linkedin.com/pub/devon-ash/48/478/981"; > style="text-decoration:none;"><span style="font: 80% Arial,sans-serif; > color:#0783B6;"><img > src="https://static.licdn.com/scds/common/u/img/webpromo/btn_in_20x15.png"; > width="20" height="15" alt="View Devon Ash's LinkedIn profile" > style="vertical-align:middle" border="0">View Devon Ash's > profile</span></a> -- Devon Ash <a href="http://ca.linkedin.com/pub/devon-ash/48/478/981"; style="text-decoration:none;"><span style="font: 80% Arial,sans-serif; color:#0783B6;"><img src="https://static.licdn.com/scds/common/u/img/webpromo/btn_in_20x15.png"; width="20" height="15" alt="View Devon Ash's LinkedIn profile" style="vertical-align:middle" border="0">View Devon Ash's profile</span></a> -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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