Hi! Kirill, As your mentions, there's not obvious wrong from the dmesg. Could you capture btmon log with raw data? (btmon -w xxx.log) In additional, did you build the last version of bluetooth-next? By my understanding, you can just duplicate the issue by the commit "044014ce85a1 Bluetooth: btrtl: Add Realtek devcoredump support"? Unfortunately, I can not duplicate this issue sofar. BRs, Max > -----Original Message----- > From: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> > Sent: Wednesday, October 4, 2023 12:50 PM > To: Max Chou <max.chou@xxxxxxxxxxx> > Cc: Bagas Sanjaya <bagasdotme@xxxxxxxxx>; Hilda Wu > <hildawu@xxxxxxxxxxx>; alex_lu@xxxxxxxxxxxxxx; Luiz Augusto von Dentz > <luiz.von.dentz@xxxxxxxxx>; Marcel Holtmann <marcel@xxxxxxxxxxxx>; > Johan Hedberg <johan.hedberg@xxxxxxxxx>; Juerg Haefliger > <juerg.haefliger@xxxxxxxxxxxxx>; Linux Bluetooth > <linux-bluetooth@xxxxxxxxxxxxxxx>; Thorsten Leemhuis <linux@xxxxxxxxxxxxx>; > Linux Regressions <regressions@xxxxxxxxxxxxxxx>; Linux Kernel Mailing List > <linux-kernel@xxxxxxxxxxxxxxx> > Subject: Re: Regression: devcoredump patch broke Realtek usb bluetooth > adapter > > > External mail. > > > > 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
