* 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. Regards, Tony
... [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 ...
