Re: Did USB slowly kill/hang my kernel? (3.12.7)

On Sat, Feb 15, 2014 at 05:45:54PM -0500, Alan Stern wrote: > On Sat, 15 Feb 2014, Marc MERLIN wrote: > > > I found that my server at home, after months of runtime, hung and found > > the following on the serial console. Interestingly, the software watchdog > > wasn't > > even able to reboot the

Re: USB storage vanilla kernel 3.13 hang on DELL PRECISION M6400

On Sat, 15 Feb 2014, Stefani Seibold wrote: > I have cross tested Alan's patch again with kernel 3.13.2 and the > current 3.14-rc2. > > I have now exactly the same .config, the same system and the same kernel > cmdline. > > A kernel 3.13.2 without Alan's patch freeze when accessing a USB flash >

Re: Did USB slowly kill/hang my kernel? (3.12.7)

On Sat, 15 Feb 2014, Marc MERLIN wrote: > I found that my server at home, after months of runtime, hung and found > the following on the serial console. Interestingly, the software watchdog > wasn't > even able to reboot the system it seems, it needed a power cycle. > > Is there other info I can

Re: [OPW] USB subsystem questions

On Sat, 15 Feb 2014, Valentina Manea wrote: > Hi, > > Thank you both for your replies, I managed to solve the /dev issues, > it seems it was related to tmpfs. > > Related to the port claim mechanism, as far as I can see, > usb_hub_claim_port is called from a ioctl and, thus, needs a file to > be

Re: Any change on REAPURB ioctl since 3.11.0?

On Sat, 15 Feb 2014, Steven Xiao wrote: > Hi Alan, > > Can you please elaborate why this change about handling NRDY was > introduced into Linux 3.11? As far as I know, there have been no changes introduced into 3.11 that affect the way NRDY is handled. But I'm not an expert on the xhci-hcd driv

Re: [PATCH v4 12/14] usb: guarantee child device resume on port poweron

On Fri, 14 Feb 2014, Dan Williams wrote: > On Mon, Feb 10, 2014 at 1:01 PM, Alan Stern wrote: > > The patch description here could be improved substantially. It should > > start out with an explanation of the basic reason for the patch and a > > clear indication of what the patch does. > > > > O

Did USB slowly kill/hang my kernel? (3.12.7)

I found that my server at home, after months of runtime, hung and found the following on the serial console. Interestingly, the software watchdog wasn't even able to reboot the system it seems, it needed a power cycle. Is there other info I can provide/different kernel options I should use? Thank

Re: [PATCH][usbutils] lsusb: decode CDC MBIM extended functional descriptor

On Fri, Feb 14, 2014 at 11:47:03PM -0800, Ben Chan wrote: > Signed-off-by: Ben Chan > --- > Example output: > > Before: > > UNRECOGNIZED CDC: 08 24 1c 00 01 0f dc 05 > > After: > > CDC MBIM Extended: > bcdMBIMExtendedVersion 1.00 > bMaxOutstandingComm

Re: USB storage vanilla kernel 3.13 hang on DELL PRECISION M6400

Am Samstag, den 15.02.2014, 02:33 +0100 schrieb Thomas Gleixner: > On Fri, 14 Feb 2014, Stefani Seibold wrote: > > Am Freitag, den 14.02.2014, 10:32 -0500 schrieb Alan Stern: > > > On Fri, 14 Feb 2014, Stefani Seibold wrote: > > > > > > > Hi Alan; > > > > > > > > Am Donnerstag, den 13.02.2014, 15

Re: [OPW] USB subsystem questions

On Sat, Feb 1, 2014 at 12:00 AM, Alan Stern wrote: > On Fri, 31 Jan 2014, Sarah Sharp wrote: > >> Why exactly do you want the device to not show up in /dev? I would >> think what you really want is for the device drivers on the server side >> to not bind to the device, since the client side drive

Re: /dev entry of USB device not disappearing after detach

On Sat, Feb 15, 2014 at 02:38:28PM +0200, Valentina Manea wrote: > On Fri, Feb 14, 2014 at 8:21 PM, Greg KH wrote: > > > > Also, the kernel is the one now responsible for managing the /dev node > > creation/removal, through devtmpfs, there shouldn't be any "hotplug" > > scripts involved in this pr

Re: /dev entry of USB device not disappearing after detach

On Fri, Feb 14, 2014 at 8:21 PM, Greg KH wrote: > > Also, the kernel is the one now responsible for managing the /dev node > creation/removal, through devtmpfs, there shouldn't be any "hotplug" > scripts involved in this process, so I doubt it's a userspace issue. > > you do have CONFIG_DEVTMPFS e

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RE: xHCI out of order events on BSD, was Re: xhci and other woes

Hi, -Original message- > From:Sarah Sharp > > Sent: Saturday 15th February 2014 0:02 > To: Hans Petter Selasky > > Cc: linux-usb@vger.kernel.org > Subject: xHCI out of orde