Date: Sun, 12 Aug 2012 14:44:42 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Subject: Re: USB devices disappearing Message-ID: <201208121444.42872.hselasky@c2i.net> In-Reply-To: <20120812013351.GA35331@server.rulingia.com> References: <20120812013351.GA35331@server.rulingia.com>
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On Sunday 12 August 2012 03:33:51 Peter Jeremy wrote: > I have a USB-connected UPS and both sysutils/nut and a simple client > that I wrote are reporting "no device" (LIBUSB_ERROR_NO_DEVICE via > libusb) after talking to it for some (variable) time. If I restart my > client it again works for a while before dying the same way. I'm > using FreeBSD 8-stable/amd64 (r237444). > > As an example, my client sends "Q1\r" every second and expects a > status message (chopped into 8-byte chunks) back. The following is a > usbdump showing the last successful poll and failure. Any suggestions > on where this problem exists? > > 11:12:53.547070 usbus1.3 SUBM-CTRL-EP=00000000,SPD=LOW,NFR=2,SLEN=16,IVAL=0 > frame[0] WRITE 8 bytes > 0000 21 09 00 02 00 00 08 00 -- -- -- -- -- -- -- -- |!....... | > frame[1] WRITE 8 bytes > 0000 51 31 0D 00 00 00 00 00 -- -- -- -- -- -- -- -- |Q1...... | > 11:12:53.548918 usbus1.3 > DONE-CTRL-EP=00000000,SPD=LOW,NFR=2,SLEN=0,IVAL=0,ERR=0 frame[0] WRITE 8 > bytes > frame[1] WRITE 8 bytes > 11:12:53.548963 usbus1.3 SUBM-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=0,IVAL=32 > frame[0] READ 8 bytes > 11:12:53.601930 usbus1.3 > DONE-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=8,IVAL=32,ERR=0 frame[0] READ 8 > bytes > 0000 28 32 34 30 2E 38 20 32 -- -- -- -- -- -- -- -- |(240.8 2 | > 11:12:53.602018 usbus1.3 SUBM-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=0,IVAL=32 > frame[0] READ 8 bytes > 11:12:53.633918 usbus1.3 > DONE-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=8,IVAL=32,ERR=0 frame[0] READ 8 > bytes > 0000 34 30 2E 34 20 32 34 31 -- -- -- -- -- -- -- -- |40.4 241 | > 11:12:53.633979 usbus1.3 SUBM-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=0,IVAL=32 > frame[0] READ 8 bytes > 11:12:53.697920 usbus1.3 > DONE-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=8,IVAL=32,ERR=0 frame[0] READ 8 > bytes > 0000 2E 33 20 30 32 30 20 35 -- -- -- -- -- -- -- -- |.3 020 5 | > 11:12:53.697995 usbus1.3 SUBM-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=0,IVAL=32 > frame[0] READ 8 bytes > 11:12:53.729919 usbus1.3 > DONE-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=8,IVAL=32,ERR=0 frame[0] READ 8 > bytes > 0000 30 2E 32 20 31 33 2E 36 -- -- -- -- -- -- -- -- |0.2 13.6 | > 11:12:53.729999 usbus1.3 SUBM-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=0,IVAL=32 > frame[0] READ 8 bytes > 11:12:53.761916 usbus1.3 > DONE-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=8,IVAL=32,ERR=0 frame[0] READ 8 > bytes > 0000 20 32 35 2E 30 20 30 30 -- -- -- -- -- -- -- -- | 25.0 00 | > 11:12:53.761976 usbus1.3 SUBM-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=0,IVAL=32 > frame[0] READ 8 bytes > 11:12:53.793925 usbus1.3 > DONE-INTR-EP=00000081,SPD=LOW,NFR=1,SLEN=8,IVAL=32,ERR=0 frame[0] READ 8 > bytes > 0000 30 30 31 30 30 31 0D 00 -- -- -- -- -- -- -- -- |001001.. | > 11:12:54.795036 usbus1.3 SUBM-CTRL-EP=00000000,SPD=LOW,NFR=2,SLEN=16,IVAL=0 > frame[0] WRITE 8 bytes > 0000 21 09 00 02 00 00 08 00 -- -- -- -- -- -- -- -- |!....... | > frame[1] WRITE 8 bytes > 0000 51 31 0D 00 00 00 00 00 -- -- -- -- -- -- -- -- |Q1...... | > 11:12:59.679800 usbus1.3 > DONE-CTRL-EP=00000000,SPD=LOW,NFR=0,SLEN=0,IVAL=0,ERR=TIMEOUT Hi, You could try: hw.usb.ehci.lostintrbug="1" In /boot/loader.rc If that doesn't help, it is most likely a device problem. --HPS
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