Hi Alan, On Sat, Sep 9, 2017 at 12:48 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > Questions like this should always be sent to the linux-usb mailing > list (CC'ed). I had the vein hope it was a known issue. > You should start by collecting another usbmon trace. This time: unplug > the mouse, then start the trace, then plug the mouse into the hub and > click it a few times, then stop the trace. That way we can see the > exact sequence of everything that happens. Done (and copied to bug report also): # cat /sys/kernel/debug/usb/usbmon/2u ffff8806e233f700 1861405536 C Ii:2:004:1 0:8 8 = 00000000 00000000 ffff8806e233f700 1861405602 S Ii:2:004:1 -115:8 8 < ffff88081ba0c000 1865368758 C Ii:2:002:1 0:2048 1 = 04 ffff88081ba0c000 1865368771 S Ii:2:002:1 -115:2048 1 < ffff880667d9b400 1865368809 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff880667d9b400 1865369024 C Ci:2:002:0 0 4 = 00010100 ffff880667d9b400 1865369044 S Co:2:002:0 s 23 01 0010 0002 0000 0 ffff880667d9b400 1865369222 C Co:2:002:0 0 0 ffff880667d9b400 1865369236 S Co:2:002:0 s 23 03 0016 0002 0000 0 ffff880667d9b400 1865369395 C Co:2:002:0 0 0 ffff8807976d6600 1865370024 C Ii:2:006:1 -108:1 0 ffff88081ba0c000 1867673019 C Ii:2:002:1 0:2048 1 = 04 ffff88081ba0c000 1867673035 S Ii:2:002:1 -115:2048 1 < ffff88081ba0c000 1867929050 C Ii:2:002:1 0:2048 1 = 04 ffff88081ba0c000 1867929060 S Ii:2:002:1 -115:2048 1 < ffff88081ba0c000 1868185084 C Ii:2:002:1 0:2048 1 = 04 ffff88081ba0c000 1868185094 S Ii:2:002:1 -115:2048 1 < ffff88081ba0c000 1868441108 C Ii:2:002:1 0:2048 1 = 04 ffff88081ba0c000 1868441121 S Ii:2:002:1 -115:2048 1 < ffff88081ba0c000 1868697138 C Ii:2:002:1 0:2048 1 = 04 ffff88081ba0c000 1868697148 S Ii:2:002:1 -115:2048 1 < ffff88081ba0c000 1868953166 C Ii:2:002:1 0:2048 1 = 04 ffff88081ba0c000 1868953176 S Ii:2:002:1 -115:2048 1 < ffff88066bc17900 1868955522 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff88066bc17900 1868955693 C Ci:2:002:0 0 4 = 01010100 ffff88066bc17900 1868955733 S Co:2:002:0 s 23 01 0010 0002 0000 0 ffff88066bc17900 1868955869 C Co:2:002:0 0 0 ffff88066809d900 1868985881 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff88066809d900 1868986113 C Ci:2:002:0 0 4 = 01010000 ffff880659263a00 1869017936 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff880659263a00 1869018143 C Ci:2:002:0 0 4 = 01010000 ffff88062e929400 1869049931 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff88062e929400 1869050150 C Ci:2:002:0 0 4 = 01010000 ffff88062e929400 1869081943 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff88062e929400 1869082181 C Ci:2:002:0 0 4 = 01010000 ffff880669fba600 1869082364 S Co:2:002:0 s 23 03 0004 0002 0000 0 ffff880669fba600 1869095631 C Co:2:002:0 0 0 ffff880669fba600 1869109915 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff880669fba600 1869110129 C Ci:2:002:0 0 4 = 03011000 ffff880669fba600 1869110148 S Co:2:002:0 s 23 01 0014 0002 0000 0 ffff880669fba600 1869110323 C Co:2:002:0 0 0 ffff880689ab3a00 1869166282 S Ci:2:000:0 s 80 06 0100 0000 0040 64 < ffff880689ab3a00 1869166540 C Ci:2:000:0 0 8 = 12010002 00000008 ffff880689ab3a00 1869166555 S Co:2:002:0 s 23 03 0004 0002 0000 0 ffff880689ab3a00 1869179218 C Co:2:002:0 0 0 ffff880659512600 1869193914 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff880659512600 1869194130 C Ci:2:002:0 0 4 = 03011000 ffff880659512600 1869194136 S Co:2:002:0 s 23 01 0014 0002 0000 0 ffff880659512600 1869194300 C Co:2:002:0 0 0 ffff88062d30ac00 1869265931 S Ci:2:007:0 s 80 06 0100 0000 0012 18 < ffff88062d30ac00 1869292713 C Ci:2:007:0 0 18 = 12010002 00000008 6d0445c2 00690102 0001 ffff88062d30ac00 1869292737 S Ci:2:007:0 s 80 06 0600 0000 000a 10 < ffff88062d30ac00 1869292876 C Ci:2:007:0 -32 0 ffff88062d30ac00 1869292891 S Ci:2:007:0 s 80 06 0600 0000 000a 10 < ffff88062d30ac00 1869319555 C Ci:2:007:0 -32 0 ffff88062d30ac00 1869319582 S Ci:2:007:0 s 80 06 0600 0000 000a 10 < ffff88062d30ac00 1869346174 C Ci:2:007:0 -32 0 ffff88062d30ac00 1869346188 S Ci:2:007:0 s 80 06 0200 0000 0009 9 < ffff88062d30ac00 1869372903 C Ci:2:007:0 0 9 = 09023b00 020104a0 31 ffff88062d30ac00 1869372935 S Ci:2:007:0 s 80 06 0200 0000 003b 59 < ffff88062d30ac00 1869373625 C Ci:2:007:0 0 59 = 09023b00 020104a0 31090400 00010301 02000921 10010001 22430007 05810308 ffff880689ab3000 1869373658 S Ci:2:007:0 s 80 06 0300 0000 00ff 255 < ffff880689ab3000 1869373810 C Ci:2:007:0 0 4 = 04030904 ffff880689ab3000 1869373823 S Ci:2:007:0 s 80 06 0302 0409 00ff 255 < ffff880689ab3000 1869374322 C Ci:2:007:0 0 36 = 24034700 61006d00 69006e00 67002000 4d006f00 75007300 65002000 47003400 ffff880689ab3000 1869374335 S Ci:2:007:0 s 80 06 0301 0409 00ff 255 < ffff880689ab3000 1869374613 C Ci:2:007:0 0 18 = 12034c00 6f006700 69007400 65006300 6800 ffff880689ab3000 1869376264 S Co:2:007:0 s 00 09 0001 0000 0000 0 ffff880689ab3000 1869376420 C Co:2:007:0 0 0 ffff880659543000 1869376454 S Ci:2:007:0 s 80 06 0304 0409 00ff 255 < ffff880659543000 1869376813 C Ci:2:007:0 0 26 = 1a035500 36003900 2e003000 30005f00 42003000 30003100 3000 ffff880659543000 1869376931 S Co:2:007:0 s 21 0a 0000 0000 0000 0 ffff880659543000 1869377023 C Co:2:007:0 0 0 ffff880659543000 1869377034 S Ci:2:007:0 s 81 06 2200 0000 0043 67 < ffff880659543000 1869377765 C Ci:2:007:0 0 67 = 05010902 a1010901 a1000509 19012908 15002501 95087501 81020600 ff094095 ffff880621acaf00 1869378982 S Co:2:007:0 s 21 0a 0000 0001 0000 0 ffff880621acaf00 1869379108 C Co:2:007:0 -32 0 ffff880621acaf00 1869379136 S Ci:2:007:0 s 81 06 2200 0001 002a 42 < ffff880621acaf00 1869379848 C Ci:2:007:0 0 42 = 0680ff09 80a10185 801a0038 2a073815 00250195 08750181 02852009 20950175 ffff88062d0bd300 1869380192 S Ci:2:007:0 s a1 01 0180 0001 0002 8 < ffff88062d0bd300 1869380374 C Ci:2:007:0 0 2 = 8000 ffff88062d0bd300 1869380378 S Ci:2:007:0 s a1 01 0320 0001 0002 8 < ffff88062d0bd300 1869380507 C Ci:2:007:0 0 2 = 2000 ffff88062d0bd300 1869380511 S Ci:2:007:0 s a1 01 038e 0001 0002 8 < ffff88062d0bd300 1869380634 C Ci:2:007:0 0 2 = 8e03 ffff88062de85300 1869380935 S Ci:2:002:0 s a3 00 0000 0002 0004 4 < ffff88062de85300 1869381094 C Ci:2:002:0 0 4 = 03010000 ffff880667cc5e00 1869399303 S Ii:2:007:1 -115:1 8 < ffff880667cc5e00 1869466503 C Ii:2:007:1 -2:1 0 ffff880667cc5e00 1869527243 S Ii:2:007:1 -115:1 8 < ffff880667cc5e00 1869614516 C Ii:2:007:1 -2:1 0 ffff880667cc5e00 1869631409 S Ii:2:007:1 -115:1 8 < ffff8806e233f700 1875583178 C Ii:2:004:1 0:8 8 = 01000000 00000000 ffff8806e233f700 1875583238 S Ii:2:004:1 -115:8 8 < ffff8806e233f700 1876543221 C Ii:2:004:1 0:8 8 = 01000600 00000000 ffff8806e233f700 1876543278 S Ii:2:004:1 -115:8 8 < <<no response>> -- 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
