-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi Alan, On Tue, 2016-09-20 at 10:16 -0400, Alan Stern wrote: > This is a lot better. No more I/O errors. > > We still have irregular suspends and resumes, but that's to be > expected. More worrying are the spontaneous disconnects. They don't > seem to be related to the suspend/resume activity. > > You can disable suspend for this device entirely by doing: > > echo on >/sys/bus/usb/devices/2-4/power/control > > I'm afraid that this won't prevent the device from disconnecting > itself, though. This appears to be some sort of hardware bug that > can't be fixed in software. I'm not sure what you were referring to when you said "No more I/O errors". But I still got these errors today, with all patches applied. Sep 21 14:58:11 learner kernel: usb 2-4: new high-speed USB device number 98 using xhci_hcd Sep 21 14:58:18 learner kernel: usb 2-4: new high-speed USB device number 102 using xhci_hcd Sep 21 14:58:24 learner kernel: usb 2-4: new high-speed USB device number 106 using xhci_hcd Sep 21 14:58:31 learner kernel: usb 2-4: new high-speed USB device number 114 using xhci_hcd Sep 21 14:58:41 learner kernel: usb 2-4: new high-speed USB device number 12 using xhci_hcd Sep 21 14:58:41 learner kernel: usb 2-4: device descriptor read/64, error -71 Sep 21 14:58:41 learner kernel: usb 2-4: device descriptor read/64, error -71 Sep 21 14:58:41 learner kernel: usb 2-4: new high-speed USB device number 13 using xhci_hcd Sep 21 14:58:41 learner kernel: usb 2-4: device descriptor read/64, error -71 Sep 21 14:58:41 learner kernel: usb 2-4: device descriptor read/64, error -71 Sep 21 14:58:42 learner kernel: usb 2-4: new high-speed USB device number 14 using xhci_hcd Sep 21 14:58:42 learner kernel: usb 2-4: Device not responding to setup address. Sep 21 14:58:42 learner kernel: usb 2-4: Device not responding to setup address. Sep 21 14:58:42 learner kernel: usb 2-4: device not accepting address 14, error - -71 Sep 21 14:58:42 learner kernel: usb 2-4: new high-speed USB device number 15 using xhci_hcd Sep 21 14:58:42 learner kernel: usb 2-4: Device not responding to setup address. Sep 21 14:58:42 learner kernel: usb 2-4: Device not responding to setup address. Sep 21 14:58:43 learner kernel: usb 2-4: device not accepting address 15, error - -71 Sep 21 14:58:43 learner kernel: usb usb2-port4: unable to enumerate USB device Sep 21 16:19:39 learner kernel: ahci 0000:00:1f.2: port does not support device sleep Sep 21 16:19:39 learner kernel: NMI watchdog: enabled on all CPUs, permanently consumes one hw- Sep 21 16:19:39 learner kernel: EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,data=ordere Sep 21 16:19:39 learner kernel: EXT4-fs (sda6): re-mounted. Opts: data=ordered,commit=0 Sep 21 16:19:39 learner kernel: EXT4-fs (dm-3): re-mounted. Opts: errors=remount-ro,data=writeb Sep 21 16:19:39 learner kernel: usb 2-4: new high-speed USB device number 16 using xhci_hcd Sep 21 16:19:39 learner kernel: usb 2-4: device descriptor read/64, error -71 Sep 21 16:19:40 learner kernel: usb 2-4: device descriptor read/64, error -71 Sep 21 16:19:40 learner kernel: usb 2-4: new high-speed USB device number 17 using xhci_hcd Sep 21 16:19:40 learner kernel: usb 2-4: device descriptor read/64, error -71 Sep 21 16:19:40 learner kernel: usb 2-4: device descriptor read/64, error -71 Sep 21 16:19:40 learner kernel: usb 2-4: new high-speed USB device number 18 using xhci_hcd Sep 21 16:19:40 learner kernel: usb 2-4: Device not responding to setup address. Sep 21 16:19:41 learner kernel: usb 2-4: Device not responding to setup address. Sep 21 16:19:41 learner kernel: usb 2-4: device not accepting address 18, error - -71 Sep 21 16:19:41 learner kernel: usb 2-4: new high-speed USB device number 19 using xhci_hcd - -- Ritesh Raj Sarraf RESEARCHUT - http://www.researchut.com "Necessity is the mother of invention." -----BEGIN PGP SIGNATURE----- iQIcBAEBCgAGBQJX4mqUAAoJEKY6WKPy4XVpEHMP/RhcDQXxt3LTOpGhJizyqZ4z 7Sm1tcBe/4NKP80nUpiI0geQYHYfRTR93hGKFayp48ULstn8xJ8T3ItZIS0WmZDK TJcdxXzrkWMGNAGQFjNd9Lk1C7h1IIuo2D5xDuhrpHGMc5y4UVmpPixQRwEnbzG9 zX+PabvummAmlzT1+cRyO10uwpGFzsJ3SDkokjkxZ/aViL+vBU58/qiXIFH1D1hX KTY8ABZjh4Hnkw07EcQh0xKztEbE/v2wJWPSx4RCPbsRdO5vdKUtOtWB7+1WVAY3 noSrvNWjj0Ntnm0+t4XIid1fDmNumK0EcYe8fDb/GqAuYDTqjcIZ5ANCaVSM/joq suY7KTXVe44Pol1Bb89lERR49QAkxyKJViNc0bNSkp0+F4u4cDW9o0q6s0X6xw5b LdAQHQek92IRNmT7v4gYO9bUKUBurqgHuUdi3iYlylbvs8UAzHmOL3nrFBz2GIcG KQvqmvENy31VIlIMx+k3SipyedG77LIAmxX8bG7Xlu8lSZz3sPkMz7RJYeW0QwQ6 lC2cWiF2cn5K/0eTQPW3MX5H9m5qlq0QGaDrf8kGX6XpRKR3Qsu98L+R+AAmViQ9 kd2eBFzL4JdNVhXgNWrNk5mr0R0D9RB/58YWize3sASPg75zCFQCNOoFTPNZGN1q edPs8uwkN5O2cy+0ur8n =uZvc -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
