From: Ritesh Raj Sarraf <rrs-7WuBAv+fczCJ8c2fQYRYNw@public.gmane.org>
To: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>
Cc: Ulf Hansson <ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Alex Dubov <oakad-/E1597aS9LQAvxtiuMwx3w@public.gmane.org>,
USB list <linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-mmc <linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: xHCI problem? [was Re: Erratic USB device behavior and device loss]
Date: Wed, 21 Sep 2016 16:40:12 +0530 [thread overview]
Message-ID: <1474456212.8192.2.camel@researchut.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1609201012290.1459-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
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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."
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next prev parent reply other threads:[~2016-09-21 11:10 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1472132041.13456.11.camel@researchut.com>
2016-08-25 17:17 ` xHCI problem? [was Re: Erratic USB device behavior and device loss] Alan Stern
[not found] ` <Pine.LNX.4.44L0.1608251254220.1395-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2016-08-30 8:14 ` Ulf Hansson
[not found] ` <CAPDyKFq2SYtwWCNhSzQcxj8XdYmAhTqn6mxRKMJ7eKZAk=itWg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-09-04 11:32 ` Ritesh Raj Sarraf
2016-09-04 18:01 ` Ritesh Raj Sarraf
[not found] ` <1473012074.5339.6.camel-7WuBAv+fczCJ8c2fQYRYNw@public.gmane.org>
2016-09-04 19:46 ` Alan Stern
2016-09-05 12:59 ` Ritesh Raj Sarraf
[not found] ` <1473080344.10346.4.camel-7WuBAv+fczCJ8c2fQYRYNw@public.gmane.org>
2016-09-05 15:58 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1609051157310.25234-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2016-09-06 9:42 ` Ulf Hansson
2016-09-06 17:08 ` Ritesh Raj Sarraf
[not found] ` <CAPDyKFpnCXhdoKgoG576teC=y38vbC1x=-ehC_9EWEeKr_K6BQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-09-07 20:48 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1609071630350.2115-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2016-09-09 10:54 ` Ulf Hansson
[not found] ` <CAPDyKFr0vEaEbsoPm6YwJD1JOQc=YR=zwi4T6Rr3gCQ4StNuvg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-09-09 13:14 ` Ritesh Raj Sarraf
[not found] ` <1473426861.9415.2.camel-7WuBAv+fczCJ8c2fQYRYNw@public.gmane.org>
2016-09-09 14:04 ` Ritesh Raj Sarraf
[not found] ` <1473429884.9415.8.camel-7WuBAv+fczCJ8c2fQYRYNw@public.gmane.org>
2016-09-09 16:15 ` Alan Stern
2016-09-14 14:50 ` Ritesh Raj Sarraf
[not found] ` <1473864634.9913.12.camel-7WuBAv+fczCJ8c2fQYRYNw@public.gmane.org>
2016-09-14 15:19 ` Alan Stern
2016-09-15 13:59 ` Ulf Hansson
2016-09-15 14:16 ` Alan Stern
2016-09-16 15:42 ` Ritesh Raj Sarraf
2016-09-16 21:40 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1609161729340.1657-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2016-09-17 11:42 ` Ritesh Raj Sarraf
2016-09-18 1:42 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1609172131120.698-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2016-09-19 10:10 ` Ulf Hansson
2016-09-19 17:48 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1609191340320.1458-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2016-09-20 12:36 ` Ritesh Raj Sarraf
2016-09-20 14:16 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1609201012290.1459-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2016-09-20 15:17 ` Ritesh Raj Sarraf
[not found] ` <1474384626.21100.6.camel-7WuBAv+fczCJ8c2fQYRYNw@public.gmane.org>
2016-09-20 15:43 ` Alan Stern
2016-09-20 15:51 ` Ritesh Raj Sarraf
2016-09-21 11:10 ` Ritesh Raj Sarraf [this message]
[not found] ` <1474456212.8192.2.camel-7WuBAv+fczCJ8c2fQYRYNw@public.gmane.org>
2016-09-21 11:17 ` Ulf Hansson
[not found] ` <CAPDyKFrWHaPhubTsPjd7GpZcoQnGM9u1YEiy=iGpb1Qa2rJqPA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-09-21 11:42 ` Ritesh Raj Sarraf
2016-09-21 14:37 ` Alan Stern
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