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[Veron Rado <1748242@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

If pavucontrol "PulseAudio Volume Control" is open it causes 'sudo lsusb
-v' to fail if there is a Dell AC511 soundbar attached via USB.

The error message:
> $ sudo lsusb -v
>
> ----[ snip ]----
>
> Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
> lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
> Aborted

lsusb -v by device ID:
> $ sudo lsusb -v -d 413c:a503
>
> Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
> lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
> Aborted


The bug goes away when "PulseAudio Volume Control" is closed.

Ubuntu 17.10
Linux 4.13.0-32-generic x86_64
pavucontrol version 3.0-3.1

** Affects: pavucontrol (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: lsusb pavucontrol

** Description changed:

  If pavucontrol "PulseAudio Volume Control" is open it causes 'sudo lsusb
  -v' to fail if there is a Dell AC511 soundbar attached via USB.
  
  The error message:
- 	$ sudo lsusb -v
- 	
- 	----[ snip ]----
+  $ sudo lsusb -v
  
- 	Bus 001 Device 002: ID 413c:a503 Dell Computer Corp. 
- 	lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
- 	Aborted
+  ----[ snip ]----
  
+  Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
+  lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
+  Aborted
  
-         $ sudo lsusb -v -d 413c:a503
+  $ sudo lsusb -v -d 413c:a503
  
- 	Bus 001 Device 002: ID 413c:a503 Dell Computer Corp. 
- 	lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
- 	Aborted
- 
+  Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
+  lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
+  Aborted
  
  The bug goes away when "PulseAudio Volume Control" is closed.
  
- 
  Ubuntu 17.10
  Linux 4.13.0-32-generic x86_64
+ pavucontrol version 3.0-3.1

** Description changed:

  If pavucontrol "PulseAudio Volume Control" is open it causes 'sudo lsusb
  -v' to fail if there is a Dell AC511 soundbar attached via USB.
  
  The error message:
-  $ sudo lsusb -v
+ > $ sudo lsusb -v
+ >
+ > ----[ snip ]----
+ >
+ > Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
+ > lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
+ > Aborted
  
-  ----[ snip ]----
+ lsusb -v by device ID:
+ > $ sudo lsusb -v -d 413c:a503
+ >
+ > Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
+ > lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
+ > Aborted
  
-  Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
-  lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
-  Aborted
- 
-  $ sudo lsusb -v -d 413c:a503
- 
-  Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
-  lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
-  Aborted
  
  The bug goes away when "PulseAudio Volume Control" is closed.
  
  Ubuntu 17.10
  Linux 4.13.0-32-generic x86_64
  pavucontrol version 3.0-3.1

** Tags added: pavucontrol

** Tags added: lsusb

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https://bugs.launchpad.net/bugs/1748242

Title:
  pavucontrol (PulseAudio Volume Control) causes lsusb -v to fail with
  Dell AC511 soundbar

Status in pavucontrol package in Ubuntu:
  New

Bug description:
  If pavucontrol "PulseAudio Volume Control" is open it causes 'sudo
  lsusb -v' to fail if there is a Dell AC511 soundbar attached via USB.

  The error message:
  > $ sudo lsusb -v
  >
  > ----[ snip ]----
  >
  > Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
  > lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
  > Aborted

  lsusb -v by device ID:
  > $ sudo lsusb -v -d 413c:a503
  >
  > Bus 001 Device 002: ID 413c:a503 Dell Computer Corp.
  > lsusb: gconv.c:74: __gconv: Assertion `outbuf != NULL && *outbuf != NULL' failed.
  > Aborted

  
  The bug goes away when "PulseAudio Volume Control" is closed.

  Ubuntu 17.10
  Linux 4.13.0-32-generic x86_64
  pavucontrol version 3.0-3.1

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