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From: bugzilla-daemon@bugzilla.kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 209411] New: When retrieving string descriptor from mobile device returns eproto error
Date: Sun, 27 Sep 2020 17:51:20 +0000
Message-ID: <bug-209411-208809@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=209411

            Bug ID: 209411
           Summary: When retrieving string descriptor from mobile device
                    returns eproto error
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.19
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: USB
          Assignee: drivers_usb@kernel-bugs.kernel.org
          Reporter: rachithas104@gmail.com
        Regression: No

I am trying to get get string descriptor from mobile phone,however when trying
to retrieve one particular index it returns EPROTO,

dev->fd, USB_DIR_IN,USB_REQ_GET_DESCRIPTOR,DESCRIPT_STRING * 256 + index,       
                                              languageid, sizeof buf, buf);

Return value is -1 for  ioctl(fd, USBDEVFS_CONTROL, &ioctl_ctrl);

kernel: [ 7084.327097] usb 1-1.2: reset high-speed USB device number 12 using
ehci-pci
kernel: [ 7084.831056] usb 1-1.2: device not accepting address 12, error -71
kernel: [ 7085.119075] usb 1-1.2: reset high-speed USB device number 12 using
ehci-pci
 kernel: [ 7085.431054] usb 1-1.2: reset high-speed USB device number 12 using
ehci-pci
[ 7085.935069] usb 1-1.2: device not accepting address 12, error -71
[ 7086.227132] usb 1-1.2: reset high-speed USB device number 12 using ehci-pci
S[ 7087.321929] usb 1-1.2: usbfs: USBDEVFS_CONTROL failed cmd ctxusb rqt 128 rq
6 len 255 ret -71
  kernel: [ 7087.607093] usb 1-1.2: reset high-speed USB device number 12 using
ehci-pci

My URB request and without my program in picture request is same

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Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-27 17:51 bugzilla-daemon [this message]
2020-09-28 17:49 ` [Bug 209411] " bugzilla-daemon
2020-09-28 17:49 ` [Bug 209411] New: " Greg KH
2020-09-29 14:35 ` [Bug 209411] " bugzilla-daemon
2020-09-29 14:38 ` bugzilla-daemon
2020-09-29 16:04 ` bugzilla-daemon
2020-09-29 16:23 ` bugzilla-daemon
2020-09-29 16:24 ` bugzilla-daemon
2020-09-29 16:40 ` bugzilla-daemon
2020-09-30 11:05 ` bugzilla-daemon
2020-09-30 11:06 ` bugzilla-daemon
2020-09-30 11:06 ` bugzilla-daemon
2020-09-30 14:47 ` bugzilla-daemon
2020-09-30 14:52 ` bugzilla-daemon
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2020-09-30 15:44 ` bugzilla-daemon
2020-09-30 19:25 ` bugzilla-daemon
2020-10-02 16:02 ` bugzilla-daemon
2020-10-02 16:04 ` bugzilla-daemon
2020-10-02 16:46 ` bugzilla-daemon
2020-10-05 13:53 ` bugzilla-daemon
2020-10-05 14:38 ` bugzilla-daemon
2020-10-05 14:48 ` bugzilla-daemon
2020-10-07  4:54 ` bugzilla-daemon
2020-10-10 18:02 ` bugzilla-daemon
2020-10-11  1:15 ` bugzilla-daemon
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