RE: xhci data toggle out of sync

From: Mahesh Vardhamanaiah <>
Date: Wed, 20 Apr 2022 10:59:21 UTC

Still no luck. I had added device_prints if the configure EP gets invoked and I don’t see them either during the error.

login: (da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 00 aa f2 68 00 00 80 00
(da0:umass-sim0:0:0:0): CAM status: CCB request completed with an error
(da0:umass-sim0:0:0:0): Retrying command, 3 more tries remain


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-----Original Message-----
From: Hans Petter Selasky <> 
Sent: Wednesday, April 20, 2022 1:01 PM
To: Mahesh Vardhamanaiah <>; Kamal Prasad <>;
Cc: Steve Kiernan <>; Justin Hibbits <>; Kumara N Babu <>; Kristof Provost <>; Bjoern A. Zeeb <>
Subject: Re: xhci data toggle out of sync

[External Email. Be cautious of content]

On 4/20/22 07:15, Mahesh Vardhamanaiah wrote:
> Hi HPS,
> The controller is from Broadcom (BCM56275 chip) so have created Support Request Case for the query below.
> Thanks,
> Mahesh

Hi Mahesh,

Here is one more patch you can try. Please revert all prior patches.