linux-kernel - Re: Regression: devcoredump patch broke Realtek usb bluetooth adapter

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Message-ID: <ZRyqIn0_qqEFBPdy@debian.me>
Date:   Wed, 4 Oct 2023 06:56:18 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     "Kirill A. Shutemov" <kirill@...temov.name>,
        Hilda Wu <hildawu@...ltek.com>
Cc:     Alex Lu <alex_lu@...lsil.com.cn>,
        Luiz Augusto von Dentz <luiz.von.dentz@...el.com>,
        Max Chou <max.chou@...ltek.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Juerg Haefliger <juerg.haefliger@...onical.com>,
        Linux Bluetooth <linux-bluetooth@...r.kernel.org>,
        Thorsten Leemhuis <linux@...mhuis.info>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Regression: devcoredump patch broke Realtek usb bluetooth adapter

On Tue, Oct 03, 2023 at 09:20:38PM +0300, Kirill A. Shutemov wrote:
> Hi,
> 
> Commit 044014ce85a1 ("Bluetooth: btrtl: Add Realtek devcoredump support")
> broke Realtek-based ASUS USB-BT500, ID 0b05:190e.
> 
> Devices failed to connect. hciconfig showed a controller with all-zero BD
> address.

What is its output then? And dmesg log?

> 
> I reverted the commit as well as bd003fb338af that depends on the commit.
> It made the problem go away.
> 
> I know virtually nothing about bluetooth. Let me know what info you need
> to debug the issue.
> 

Hilda, it looks like this regression is caused by a commit of yours. Would
you like to take a look on it?

Regardless, thanks for the regression report. I'm adding it to regzbot:

#regzbot ^introduced: 044014ce85a17c

-- 
An old man doll... just what I always wanted! - Clara

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