[Nut-upsuser] Data stale error after short while

[Mike Raath]

(sorry about the top-posting)

I did a killall on blazer_usb and nutdrv_qx, then did a lsusb, got the
following:

$ lsusb -d 0665:

Bus 002 Device 005: ID 0665:5161 Cypress Semiconductor USB to Serial


Then I started the driver in DDD mode, log attached, beyond the point where
communication fails (591.465153).


Lastly, I did the lsusb again and got this:

$ lsusb -d 0665:

Bus 002 Device 005: ID 0665:5161 Cypress Semiconductor USB to Serial


Regarding how ESXi handles devices, I don't have a USB adapter in any of
the other VMs, but maybe something is going on in the ESXi controller
itself. I checked in /dev on the host and this is all there is. Maybe
usbpassthrough is something I should look at? I'll do some reading.


lrwxrwxrwx    1 root     root            22 Jan  2 21:23 *usb0101* ->
*char/vmkdriver/usb0101*

lrwxrwxrwx    1 root     root            22 Jan  2 21:23 *usb0201* ->
*char/vmkdriver/usb0201*

lrwxrwxrwx    1 root     root            22 Jan  2 21:23 *usb0202* ->
*char/vmkdriver/usb0202*

lrwxrwxrwx    1 root     root            22 Jan  2 21:23 *usb0301* ->
*char/vmkdriver/usb0301*

lrwxrwxrwx    1 root     root            22 Jan  2 21:23 *usb0401* ->
*char/vmkdriver/usb0401*

lrwxrwxrwx    1 root     root            22 Jan  2 21:23 *usb0408* ->
*char/vmkdriver/usb0408*

lrwxrwxrwx    1 root     root            22 Jan  2 21:23 *usb0501* ->
*char/vmkdriver/usb0501*

lrwxrwxrwx    1 root     root            22 Jan  2 21:23 *usb0601* ->
*char/vmkdriver/usb0601*

lrwxrwxrwx    1 root     root            25 Jan  2 21:23 *usbdevices* ->
*char/vmkdriver/usbdevices*

lrwxrwxrwx    1 root     root            29 Jan  2 21:23 *usbpassthrough*
-> *char/vmkdriver/usbpassthrough*

# lsusb

Bus 04 Device 08: ID 0665:5161 Cypress Semiconductor USB to Serial

Bus 04 Device 01: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 06 Device 01: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 05 Device 01: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 02 Device 02: ID 8644:800b

Bus 02 Device 01: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 03 Device 01: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 01 Device 01: ID 1d6b:0002 Linux Foundation 2.0 root hub
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