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Message-ID: <20231004044947.vgegwvxxindkjo7g@box.shutemov.name>
Date: Wed, 4 Oct 2023 07:49:47 +0300
From: "Kirill A. Shutemov" <kirill@...temov.name>
To: Max Chou <max.chou@...ltek.com>
Cc: Bagas Sanjaya <bagasdotme@...il.com>,
Hilda Wu <hildawu@...ltek.com>,
"alex_lu@...lsil.com.cn" <alex_lu@...lsil.com.cn>,
Luiz Augusto von Dentz <luiz.von.dentz@...el.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 Wed, Oct 04, 2023 at 03:07:24AM +0000, Max Chou wrote:
> Hi! Kirill,
> I based on Kernel v6.5.5 and updated drivers/bluetooth to the last version of bluetooth-next tree for a test with RTL8761BUV.
> The dmesg log and "hciconfig -a" are correct.
> Could you share the dmesg for your failure case?
>
> [56133.563293] usb 3-1: new full-speed USB device number 28 using xhci_hcd
> [56133.712559] usb 3-1: New USB device found, idVendor=0bda, idProduct=8771, bcdDevice= 2.00
> [56133.712577] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [56133.712582] usb 3-1: Product: Bluetooth Radio
> [56133.712585] usb 3-1: Manufacturer: Realtek
> [56133.712588] usb 3-1: SerialNumber: 00E04C239987
> [56133.737812] usbcore: registered new interface driver btusb
> [56133.742126] Bluetooth: hci0: RTL: examining hci_ver=0a hci_rev=000b lmp_ver=0a lmp_subver=8761
> [56133.743115] Bluetooth: hci0: RTL: rom_version status=0 version=1
> [56133.743124] Bluetooth: hci0: RTL: loading rtl_bt/rtl8761bu_fw.bin
> [56133.743754] Bluetooth: hci0: RTL: loading rtl_bt/rtl8761bu_config.bin
> [56133.743829] Bluetooth: hci0: RTL: cfg_sz 6, total sz 30210
> [56133.913311] Bluetooth: hci0: RTL: fw version 0xdfc6d922
> [56133.980299] Bluetooth: MGMT ver 1.22
>
> hci0: Type: Primary Bus: USB
> BD Address: 98:A2:35:85:56:F1 ACL MTU: 1021:6 SCO MTU: 255:12
> UP RUNNING
> RX bytes:1670 acl:0 sco:0 events:184 errors:0
> TX bytes:33917 acl:0 sco:0 commands:184 errors:0
> Features: 0xff 0xff 0xff 0xfe 0xdb 0xfd 0x7b 0x87
> Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
> Link policy: RSWITCH HOLD SNIFF PARK
> Link mode: PERIPHERAL ACCEPT
> Name: 'max-ThinkPad-X230'
> Class: 0x6c010c
> Service Classes: Rendering, Capturing, Audio, Telephony
> Device Class: Computer, Laptop
> HCI Version: 5.1 (0xa) Revision: 0xdfc6
> LMP Version: 5.1 (0xa) Subversion: 0xd922
> Manufacturer: Realtek Semiconductor Corporation (93)
I don't see anything obviously wrong in dmesg. Attached hciconfig and
dmesg for both functional and broken cases.
--
Kiryl Shutsemau / Kirill A. Shutemov
View attachment "dmesg.bad" of type "text/plain" (73913 bytes)
View attachment "dmesg.good" of type "text/plain" (74342 bytes)
View attachment "hciconfig.bad" of type "text/plain" (317 bytes)
View attachment "hciconfig.good" of type "text/plain" (671 bytes)
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