On 2024/8/1 15:53, Wren Turkal wrote: > Zijun, > > On 7/30/24 6:28 PM, Zijun Hu wrote: >> On 2024/7/31 04:12, Wren Turkal wrote: >>> Zijun, >>> >>> On 7/30/24 12:48 PM, Wren Turkal wrote: >>>> Zijun, >>>> >>>> On 7/30/24 12:26 PM, Wren Turkal wrote: >>>>> On 7/29/24 9:25 AM, Zijun Hu wrote: >>>>>> On 2024/7/27 03:25, Wren Turkal wrote: >>>>>>> On 7/26/24 11:52 AM, Wren Turkal wrote: >>>>>>>> On 7/25/24 1:47 PM, Wren Turkal wrote: >>>>>>>>> On 7/25/24 1:35 PM, Luiz Augusto von Dentz wrote: >>>>>>>>>> Hi Wren, >>>>>>>>>> >>>>>>>>>> On Thu, Jul 25, 2024 at 2:35 PM Wren Turkal <wt@xxxxxxxxxxxxxxxx> >>>>>>>>>> wrote: >>>>>>>>>>> >>>>>>>>>>> Hello BT folks, >>>>>>>>>>> >>>>>>>>>>> Just so y'all know, the QCA6390 bluetooth hardware appears to be >>>>>>>>>>> broken >>>>>>>>>>> at least since commit 720261cfc732. >>>>>>>>>>> >>>>>>>>>>> The KDE and Gnome bluetooth control panels appear to think >>>>>>>>>>> there is no >>>>>>>>>>> bluetooth hardware. Rolling back to 6.10 appear to function. >>>>>>>>>>> >>>>>>>>>>> I have a Dell XPS13 9310. >>>>>>>>>>> >>>>>>>>>>> I will attempt to capture some kernel logs in a bit. >>>>>>>>>> >>>>>>>>>> git show 720261cfc732 >>>>>>>>>> fatal: ambiguous argument '720261cfc732': unknown revision or >>>>>>>>>> path not >>>>>>>>>> in the working tree. >>>>>>>>> >>>>>>>>> I gave you the sha for the built fedora rawhide kernel package, >>>>>>>>> not a >>>>>>>>> mainline sha. Sorry about that. I thought it was a mainline sha. >>>>>>>>> I am >>>>>>>>> trying to bisect the problem. Hopefully, I can get a mainline git >>>>>>>>> sha >>>>>>>>> for you soon. >>>>>>>>> >>>>>>>>> If it helps, the build date of the kernel is 2024-07-19. >>>>>>>>> >>>>>>>>> Sorry about the confusion. Hope this helps track down the problem. >>>>>>>> >>>>>>>> I have managed to get the following commit id range for the issue: >>>>>>>> 80ab5445da6235..e2f710f97f35 >>>>>>> >>>>>>> Narrowed to 80ab5445da6235..586f14a6a182 >>>>>>> >>>>>> i feel a little sad that QCA6390 of your machine are broken again. >>>>>> i find out a doubtful point by checking recent changes. >>>>>> >>>>>> you maybe have a attempt for below change if you would like to do >>>>>> that. >>>>>> https://patchwork.kernel.org/project/bluetooth/patch/20240730- >>>>>> qca6390_fix-v1-1-e0340a511756@xxxxxxxxxx/ >>>>>> >>>>>> thanks >>>>>> >>>>>> >>>>> >>>>> Yeah, I am sad that my bluetooth is broken again as well. I am trying >>>>> your patch now to see if it gets my hardware working. Will reply back >>>>> soon. >>>>> >>>>> wt >>>> >>>> This patch does not fix the problem. The first broken commit is >>>> 9a15ce685706e73154. This patch effectively reverts only one part of >>>> that patch. >>>> >>>> FTR, I applied this patch on top of the parent commit of the first >>>> broken commit. I will try it on the tip of mainline as well. >>> >>> This patch doesn't appear to apply cleanly to the current tip of >>> bluetooth-next/master, so I can't really go further in testing it right >>> now. >>> >> >> my aim is to known which commit cause this issue ASAP since i very care >> about QCA6390, now i got it, so don't need any further actions any more. >> >>> Also, so you know, Bartosz has said that he is aware of the regression >>> and is working on it. >>> >> >> i did not notice above info before my last reply, i did not see such >> info in this discussion thread until your reply as well. >> >> BTW, you maybe add relevant link if you are referring something from >> another discussion thread. > > The discussion was in a another branch on this thread. I think I added > you to the discussion there. > actually, my first reply is earlier than the other branch of this thread as shown by below link (^^). https://lore.kernel.org/linux-bluetooth/27e6a6c5-fb63-4219-be0b-eefa2c116e06@xxxxxxxxxxxxxxxx/ 2024-07-25 18:34 QCA6390 broken in current kernel Wren Turkal 2024-07-25 20:35 ` Luiz Augusto von Dentz 2024-07-25 20:47 ` Wren Turkal 2024-07-26 18:52 ` Wren Turkal 2024-07-26 19:25 ` Wren Turkal *2024-07-29 16:25 ` Zijun Hu* 2024-07-30 19:26 ` Wren Turkal 2024-07-30 19:48 ` Wren Turkal 2024-07-30 20:12 ` Wren Turkal 2024-07-31 1:28 ` Zijun Hu 2024-08-01 7:53 ` Wren Turkal *2024-07-30 19:03 ` Wren Turkal* 2024-07-30 19:59 ` Bartosz Golaszewski 2024-07-30 20:05 ` Wren Turkal 2024-07-31 8:51 ` Bartosz Golaszewski ...... >>> Zijun, you should talk the folks at qualcomm and see if there is any >>> appetite for getting closer to the Linaro folks with regard to this >>> stuff. You have been very eager to jump in, and I see that Bartosz and >>> Luis also seem interested in fixing this. I do wonder if there a way to >>> take advantage of that to build a better working relationship in this >>> bluetooth space with qualcomm and the linux kernel devs. >>> >> >> you maybe ignore that all my reply come from icloud.com, so you maybe >> not associate it with qualcomm, it is the first time for icloud.com to >> join BT relevant discussion. (^^) > > I'm sorry. I didn't realize you weren't associated with Qualcomm here. > Apologies. >it is all right (^^). >>> If qualcomm would be interested in hiring a tech person to help with >>> this stuff. I am definitely interested in helping in this area. >>> >>> Thanks, >>> wt >> >