21.10 sometimes ignoring USB memory sticks - and a possible workaround.

Fri Oct 22 12:27:11 UTC 2021

OK. Ignore the previous message. Am working on a better message.

On Fri, 22 Oct 2021 at 13:25, Ian Bruntlett <ian.bruntlett at gmail.com> wrote:

> Hi Colin,
>
> More observation from today:-
> Using a SanDisk Cruzer Blade (called HERMES) USB flash drive.
> If the drive does not automount (is that the right word?), start Nautilus
> (file manager) and click on HERMES to mount the flash drive.
>
> Sods law - when I tried it today, the first time, it worked.
> did-automount-info.txt
> ======================
> Oct 22 12:33:31 descartes systemd[1]: systemd-localed.service: Deactivated
> successfully.
> Oct 22 12:33:31 descartes systemd[1]: systemd-hostnamed.service:
> Deactivated successfully.
> Oct 22 12:33:35 descartes kernel: usb 2-2: new high-speed USB device
> number 4 using ehci-pci
> Oct 22 12:33:35 descartes kernel: usb 2-2: New USB device found,
> idVendor=0781, idProduct=5567, bcdDevice= 1.00
> Oct 22 12:33:35 descartes kernel: usb 2-2: New USB device strings: Mfr=1,
> Product=2, SerialNumber=3
> Oct 22 12:33:35 descartes kernel: usb 2-2: Product: Cruzer Blade
> Oct 22 12:33:35 descartes kernel: usb 2-2: Manufacturer: SanDisk
> Oct 22 12:33:35 descartes kernel: usb 2-2: SerialNumber:
> 4C530000220228211085
> Oct 22 12:33:36 descartes mtp-probe[2245]: checking bus 2, device 4:
> "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-2"
> Oct 22 12:33:36 descartes mtp-probe[2245]: bus: 2, device: 4 was not an
> MTP device
> Oct 22 12:33:36 descartes kernel: usb-storage 2-2:1.0: USB Mass Storage
> device detected
> Oct 22 12:33:36 descartes kernel: scsi host5: usb-storage 2-2:1.0
> Oct 22 12:33:36 descartes kernel: usbcore: registered new interface driver
> usb-storage
> Oct 22 12:33:36 descartes kernel: usbcore: registered new interface driver
> uas
> Oct 22 12:33:36 descartes mtp-probe[2260]: checking bus 2, device 4:
> "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-2"
> Oct 22 12:33:36 descartes mtp-probe[2260]: bus: 2, device: 4 was not an
> MTP device
> Oct 22 12:33:37 descartes kernel: scsi 5:0:0:0: Direct-Access     SanDisk
>  Cruzer Blade     1.00 PQ: 0 ANSI: 6
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: Attached scsi generic sg2
> type 0
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] 30031872 512-byte
> logical blocks: (15.4 GB/14.3 GiB)
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] Write Protect is off
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] Mode Sense: 43 00 00 00
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] Write cache: disabled,
> read cache: enabled, doesn't support DPO or FUA
> Oct 22 12:33:37 descartes kernel:  sdb: sdb1
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] Attached SCSI
> removable disk
> Oct 22 12:33:38 descartes udisksd[656]: Mounted /dev/sdb1 at
> /media/rene/HERMES on behalf of uid 1000
> Oct 22 12:33:38 descartes dbus-daemon[1324]: [session uid=1000 pid=1324]
> Activating service name='org.gnome.Shell.HotplugSniffer' reque
>
> So I carried on using the system and it eventually did not automount.  So
> I had to do something like 'sudo dmesg | tail -30'
> did-automount-info.txt
> ======================
> Oct 22 12:33:31 descartes systemd[1]: systemd-localed.service: Deactivated
> successfully.
> Oct 22 12:33:31 descartes systemd[1]: systemd-hostnamed.service:
> Deactivated successfully.
> Oct 22 12:33:35 descartes kernel: usb 2-2: new high-speed USB device
> number 4 using ehci-pci
> Oct 22 12:33:35 descartes kernel: usb 2-2: New USB device found,
> idVendor=0781, idProduct=5567, bcdDevice= 1.00
> Oct 22 12:33:35 descartes kernel: usb 2-2: New USB device strings: Mfr=1,
> Product=2, SerialNumber=3
> Oct 22 12:33:35 descartes kernel: usb 2-2: Product: Cruzer Blade
> Oct 22 12:33:35 descartes kernel: usb 2-2: Manufacturer: SanDisk
> Oct 22 12:33:35 descartes kernel: usb 2-2: SerialNumber:
> 4C530000220228211085
> Oct 22 12:33:36 descartes mtp-probe[2245]: checking bus 2, device 4:
> "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-2"
> Oct 22 12:33:36 descartes mtp-probe[2245]: bus: 2, device: 4 was not an
> MTP device
> Oct 22 12:33:36 descartes kernel: usb-storage 2-2:1.0: USB Mass Storage
> device detected
> Oct 22 12:33:36 descartes kernel: scsi host5: usb-storage 2-2:1.0
> Oct 22 12:33:36 descartes kernel: usbcore: registered new interface driver
> usb-storage
> Oct 22 12:33:36 descartes kernel: usbcore: registered new interface driver
> uas
> Oct 22 12:33:36 descartes mtp-probe[2260]: checking bus 2, device 4:
> "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-2"
> Oct 22 12:33:36 descartes mtp-probe[2260]: bus: 2, device: 4 was not an
> MTP device
> Oct 22 12:33:37 descartes kernel: scsi 5:0:0:0: Direct-Access     SanDisk
>  Cruzer Blade     1.00 PQ: 0 ANSI: 6
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: Attached scsi generic sg2
> type 0
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] 30031872 512-byte
> logical blocks: (15.4 GB/14.3 GiB)
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] Write Protect is off
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] Mode Sense: 43 00 00 00
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] Write cache: disabled,
> read cache: enabled, doesn't support DPO or FUA
> Oct 22 12:33:37 descartes kernel:  sdb: sdb1
> Oct 22 12:33:37 descartes kernel: sd 5:0:0:0: [sdb] Attached SCSI
> removable disk
> Oct 22 12:33:38 descartes udisksd[656]: Mounted /dev/sdb1 at
> /media/rene/HERMES on behalf of uid 1000
> Oct 22 12:33:38 descartes dbus-daemon[1324]: [session uid=1000 pid=1324]
> Activating service name='org.gnome.Shell.HotplugSniffer' reque
>
> Note that the second last line in both examples says "Mounted /dev/sdb1 at
> /media/rene/HERMES".
>
> Now I am really confused.
>
> However, the GNOME Notifications -beeping when HERMES is plugged in -
> beeping when unmounted from Nautilus seem to be my most accurate indicator
> of this fault. If a device does not automount, you don't get the beep on
> plugging it in. Could this be a GNOME issue?
>
> HTH,
>
>
> Ian
>
> --
> -- ACCU - Professionalism in programming - http://www.accu.org
> -- My writing - https://sites.google.com/site/ianbruntlett/
> -- Free Software page -
> https://sites.google.com/site/ianbruntlett/home/free-software
>
>

-- 
-- ACCU - Professionalism in programming - http://www.accu.org
-- My writing - https://sites.google.com/site/ianbruntlett/
-- Free Software page -
https://sites.google.com/site/ianbruntlett/home/free-software
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