On Tue, 2019-04-09 at 10:44 -0400, Alan Stern wrote:
> On Mon, 8 Apr 2019, Martin K. Petersen wrote:
>
> >
> > Alan,
> >
> > > So it looks as though the SCSI subsystem doesn't like to have a reset
> > > handler call scsi_remove_host.
> >
> > Are you talking about a PCI device removal handler
Hi,
>> Root Cause
>> - Block layer timeout happens after power off UAS USB device which is
>> accessed as reproduce step. During timeout error handler process, scsi host
>> state becomes SHOST_CANCEL_RECOVERY that causes IO hangs up and lock cannot
>> be released. And in final, usb subsystem
On Fri, 8 Mar 2019, Oliver Neukum wrote:
> On Fr, 2019-03-08 at 09:13 +, kento.a.kobaya...@sony.com wrote:
> > The usb_reset_and_verify_device included in usb_reset_device fails
> > with -ENODEV after power off hub port, and the -ENODEV error will
> > be reported to uas_eh_bus_reset_handler
On Fr, 2019-03-08 at 09:13 +, kento.a.kobaya...@sony.com wrote:
> The usb_reset_and_verify_device included in usb_reset_device fails
> with -ENODEV after power off hub port, and the -ENODEV error will
> be reported to uas_eh_bus_reset_handler and upper layer, so it
> doesn't need to do rebind
-...@vger.kernel.org;
linux-s...@vger.kernel.org; usb-stor...@lists.one-eyed-alien.net;
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: uas: fix usb subsystem hang after power off hub port
On Mon, Mar 04, 2019 at 02:08:54AM +, jacky@sony.com wrote
On Mon, Mar 04, 2019 at 02:08:54AM +, jacky@sony.com wrote:
>
>
> This email is confidential and intended only for the use of the individual or
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