Hi, On Wed, Feb 06, 2013 at 05:27:52PM +0530, Vivek Gautam wrote: > Hi Tony, > > > On Fri, Oct 5, 2012 at 9:57 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > * Tony Lindgren <tony@xxxxxxxxxxx> [121004 18:41]: > >> > > >> > > Also on the EHCI port, I've seen issues where unplugging > >> > > the cable hangs kernel with an infinite loop. But that happens > >> > > only occasionally, sorry does not seem to happen right > >> > > now so no output to paste here. Or maybe this issue > >> > > has already been fixed? > > > > Looks like the system eventually recovers from the EHCI issue > > after about fivew minutes or so of spamming the logs. It seems > > the ehci-omap errors are: > > > > [62934.201538] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 31 > > [62934.201660] ehci-omap ehci-omap.0: devpath 1.3.7 ep0out 3strikes > > [62934.201873] ehci-omap ehci-omap.0: reused qh ea5632c0 schedule > > > > More data below. > > > > Is this issue fixed ? > Actually we too are getting very similar issue with samsung exynos5250 hardware. > With latest 'usb-next' kernel and supporting arch patches, when i use > following test scenerio: > Connect a USB 2.0 external hub to USB 2.0 port, and connect mice or > keyboard enumeration and > functionality is fine but once disconnecting the HID we get to see the > error log: > hid-generic 0003:04B3:3025.0002: can't reset device, > s5p-ehci-1.3/input0, status -71 > > When i tried to enable CONFIG_USB_DEBUG, get the following log: looks like it's not OMAP-specific. Alan any tips ? (keeping logs below) > hub 1-1:1.0: state 7 ports 7 chg 0000 evt 0008 > hub 1-1:1.0: port 3, status 0301, change 0001, 1.5 Mb/s > hub 1-1:1.0: debounce: port 3: total 100ms stable 100ms status 0x301 > usb 1-1.3: new low-speed USB device number 5 using s5p-ehci > usb 1-1.3: skipped 1 descriptor after interface > usb 1-1.3: default language 0x0409 > usb 1-1.3: udev 5, busnum 1, minor = 4 > usb 1-1.3: New USB device found, idVendor=04b3, idProduct=3025 > usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 1-1.3: Product: USB NetVista Full Width Keyboard > usb 1-1.3: Manufacturer: CHICONY > usb 1-1.3: usb_probe_device > usb 1-1.3: configuration #1 chosen from 1 choice > usb 1-1.3: adding 1-1.3:1.0 (config #1, interface 0) > usbhid 1-1.3:1.0: usb_probe_interface > usbhid 1-1.3:1.0: usb_probe_interface - got id > input: CHICONY USB NetVista Full Width Keyboard as > /devices/s5p-ehci/usb1/1-1/1-1.3/1-1.3:1.0/input/input1 > usb 1-1.3: link qh8-0e01/c193f140 start 2 [1/2 us] > hid-generic 0003:04B3:3025.0002: input: USB HID v1.10 Keyboard > [CHICONY USB NetVista Full Width Keyboard] on usb-s5p-ehci-1.3/input0 > hub 1-1:1.0: state 7 ports 7 chg 0000 evt 0008 > > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 1 > usb 1-1.3: unlink qh8-0e01/c193f140 start 2 [1/2 us] > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 1 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 2 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 3 > hub 1-1:1.0: state 7 ports 7 chg 0000 evt 0008 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 4 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 5 > hub 1-1:1.0: port 3, status 0100, change 0001, 12 Mb/s > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 6 > usb 1-1.3: USB disconnect, device number 5 > usb 1-1.3: unregistering device > usb 1-1.3: unregistering interface 1-1.3:1.0 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 7 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 8 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 9 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 10 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 11 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 12 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 13 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 14 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 15 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 16 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 17 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 18 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 19 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 20 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 21 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 22 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 23 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 24 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 25 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 26 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 27 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 28 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 29 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 30 > s5p-ehci s5p-ehci: detected XactErr len 0/8 retry 31 > s5p-ehci s5p-ehci: devpath 1.3 ep0out 3strikes > usb 1-1: clear tt buffer port 3, a5 ep0 t00080248 > hid-generic 0003:04B3:3025.0002: can't reset device, > s5p-ehci-1.3/input0, status -71 > > Similar log as you get on ehci-omap ;-) > Sorry i might have missed some information to put here. > > Your help will be very much useful. > Thanks in advance :-) > > > ... > > [62927.200012] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 19 > > [62927.215606] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 25 > > [62927.220092] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 22 > > [62927.225738] ehci-omap ehci-omap.0: devpath 1.3.7 ep0out 3strikes > > [62927.232238] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 17 > > [62927.236633] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 18 > > [62927.241119] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 3 > > [62927.251098] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 18 > > [62927.258605] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 12 > > [62927.264343] usb 1-1.3.7.5: link qh8-0e01/ea5632c0 start 6 [1/2 us] > > [62927.274353] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 17 > > [62927.276092] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 24 > > [62927.280700] usb 1-1.3.7: clear tt 4 (0120) error -71 > > [62927.289245] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62927.292633] usb 1-1.3.7: clear tt buffer port 4, a18 ep0 t00080248 > > [62927.296356] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 26 > > [62927.302368] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 6 > > [62927.307098] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 24 > > [62927.308258] hid-generic 0003:047D:1020.000C: can't reset device, ehci-omap.0-1.3.7.4/input0, status -1 > > [62927.317230] usb 1-1.3.7: clear tt buffer port 5, a26 ep0 t00080248 > > [62927.322357] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 18 > > [62927.324981] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 5 > > [62927.330718] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 9 > > [62927.336364] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 20 > > [62927.348114] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 31 > > [62927.349090] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 5 > > [62927.356475] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 26 > > [62927.368469] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62927.372253] usb 1-1.3.7: clear tt buffer port 4, a18 ep0 t00080248 > > [62926.616607] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 29 > > [62926.622863] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 10 > > [62926.627746] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 29 > > [62926.628112] ehci-omap ehci-omap.0: devpath 1.3.7.4 ep0out 3strikes > > [62926.639404] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 14 > > [62926.643737] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 29 > > [62926.651123] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 15 > > [62926.655609] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 18 > > [62926.660125] usb 1-1.3.7: clear tt buffer port 4, a18 ep0 t00080248 > > [62926.667480] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 15 > > [62926.669982] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 1 > > [62926.680603] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 3 > > [62926.686126] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 14 > > [62926.693237] usb 1-1.3.7: clear tt buffer port 5, a26 ep0 t00080248 > > [62926.694091] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 4 > > [62926.706359] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62926.709350] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 7 > > [62926.712554] usb 1-1.3.7: clear tt 4 (0120) error -71 > > [62926.714599] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 16 > > [62926.720855] ehci-omap ehci-omap.0: devpath 1.3.7.5 ep0out 3strikes > > [62926.729248] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62926.732238] usb 1-1.3.7: clear tt buffer port 4, a18 ep0 t00080248 > > [62926.736358] ehci-omap ehci-omap.0: devpath 1.3.7 ep0out 3strikes > > [62926.742736] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 9 > > [62926.755615] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 27 > > [62926.756744] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62926.763610] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 19 > > [62926.769226] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 29 > > [62926.780609] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62926.782745] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 19 > > [62926.789978] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 3 > > [62926.801605] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 11 > > [62926.804626] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62926.809844] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 5 > > [62926.815734] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 19 > > [62926.828979] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 4 > > [62926.829101] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 5 > > [62926.840118] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 20 > > [62926.851745] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 28 > > [62926.855987] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 28 > > [62926.863220] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 13 > > [62926.876251] ehci-omap ehci-omap.0: devpath 1.3.7.4 ep0out 3strikes > > [62926.876403] hid-generic 0003:047D:1020.000C: can't reset device, ehci-omap.0-1.3.7.4/input0, status -1 > > [62926.897125] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 7 > > [62926.903747] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 26 > > [62926.920989] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 6 > > ... > > > > After waiting for several minutes, it stops, and dmesg shows: > > > > # dmesg | grep -i omap > > [62934.193389] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62934.193542] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 3 > > [62934.193664] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 4 > > [62934.193786] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 5 > > [62934.194030] ehci-omap ehci-omap.0: reused qh ed0fbdc0 schedule > > [62934.194122] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 6 > > [62934.194274] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 7 > > [62934.194396] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 8 > > [62934.194519] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 9 > > [62934.194641] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 10 > > [62934.194793] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 11 > > [62934.194915] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 12 > > [62934.195037] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 13 > > [62934.195159] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 14 > > [62934.195281] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 15 > > [62934.195404] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 16 > > [62934.195526] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 17 > > [62934.195648] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 18 > > [62934.195770] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 19 > > [62934.195892] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 20 > > [62934.196014] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 21 > > [62934.196166] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 22 > > [62934.196289] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 23 > > [62934.196411] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 24 > > [62934.196533] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 25 > > [62934.196655] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 26 > > [62934.196777] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 27 > > [62934.196899] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 28 > > [62934.197021] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 29 > > [62934.197143] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 30 > > [62934.197265] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 31 > > [62934.197418] ehci-omap ehci-omap.0: devpath 1.3.7.5 ep0out 3strikes > > 1.3.7.5/input0, status -71 > > [62934.197784] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 1 > > [62934.197906] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 2 > > [62934.198028] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 3 > > [62934.198150] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 4 > > [62934.198272] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 5 > > [62934.198394] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 6 > > [62934.198516] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 7 > > [62934.198638] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 8 > > [62934.198791] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 9 > > [62934.198913] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 10 > > [62934.199035] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 11 > > [62934.199157] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 12 > > [62934.199279] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 13 > > [62934.199401] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 14 > > [62934.199523] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 15 > > [62934.199645] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 16 > > [62934.199768] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 17 > > [62934.199890] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 18 > > [62934.200042] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 19 > > [62934.200042] ehci-omap ehci-omap.0: detected XactErr len 0/4 retry 1 > > [62934.200164] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 20 > > [62934.200164] ehci-omap ehci-omap.0: detected XactErr len 0/4 retry 2 > > [62934.200286] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 21 > > [62934.200286] ehci-omap ehci-omap.0: detected XactErr len 0/4 retry 3 > > [62934.200408] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 22 > > [62934.200531] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 23 > > [62934.200653] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 24 > > [62934.200775] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 25 > > [62934.200897] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 26 > > [62934.201019] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 27 > > [62934.201141] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 28 > > [62934.201263] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 29 > > [62934.201416] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 30 > > [62934.201538] ehci-omap ehci-omap.0: detected XactErr len 0/8 retry 31 > > [62934.201660] ehci-omap ehci-omap.0: devpath 1.3.7 ep0out 3strikes > > [62934.201873] ehci-omap ehci-omap.0: reused qh ea5632c0 schedule -- balbi
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