The patch has been working for me since kernel 5.1.
Thank you.
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https://bugs.launchpad.net/bugs/1807375
Title:
Bluetooth: hci0: RTL: rtl: unknown IC info, lmp subver
Turns out it's a regression, I sent V2 patch to address the issue.
https://lkml.org/lkml/2019/1/27/16
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Title:
Bluetooth: hci0:
Created attachment 280781
0004-Bluetooth-btrtl-Expose-btrtl_device_info.patch
Hi Kai,
Your patch #2 had two issues:
- btrtl_device_info definition is unavailable in hci_h5.c as it's not in header
- a couple of argument type mismatch
It would have compiled fine when you don't have
Created attachment 280717
0003-Bluetooth-btrtl-Skip-initialization-if-firmware-is-a.patch
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Title:
Bluetooth: hci0: RTL: rtl:
Created attachment 280715
0002-Bluetooth-btrtl-Let-btrtl_initialize-always-return-e.patch
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Title:
Bluetooth: hci0: RTL: rtl:
Please try these patches. It should the issue.
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Title:
Bluetooth: hci0: RTL: rtl: unknown IC info, lmp subver a99e, hci rev
826c,
Created attachment 280713
0001-Bluetooth-btrtl-Let-rtl_load_file-always-return-erro.patch
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Title:
Bluetooth: hci0: RTL: rtl:
Created attachment 280459
Kernel messages from various boot states.
Yes, the coldboot lmp_subver=8221 & hci_rev=c are correct and Bluetooth
works on vanilla kernel.
Unfortunately, I must restart the computer in order to gain CPU clock boost on
my Ryzen 5 2500u.
Separate issue, haven't checked
vasthusya,
I also see this issue, but this only happens to reboot.
Do you see this on cold boot?
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Title:
Bluetooth: hci0: RTL:
Created attachment 280449
Add IC_INFO(a99e, 826c) to load rtl8821c firmware
With this patch, it has been working fine for a week using Bluetooth
mouse.
Other things tested:
- File transfer
- A2DP Source
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(In reply to Cristian Aravena Romero from comment #1)
> Created attachment 280099 [details]
> dmesg 4.20.0-042000rc7-generic
>
> I really do not know if the problem was definitively solved. Because
> Bluetooth devices now appear in GNOME.
It is still affecting me on vanilla 4.20 and 4.19.12.
I
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Created attachment 280099
dmesg 4.20.0-042000rc7-generic
I really do not know if the problem was definitively solved. Because
Bluetooth devices now appear in GNOME.
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Launchpad has imported 1 comments from the remote bug at
https://bugzilla.kernel.org/show_bug.cgi?id=201921.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
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** Bug watch added: Linux Kernel Bug Tracker #201921
https://bugzilla.kernel.org/show_bug.cgi?id=201921
** Also affects: linux via
https://bugzilla.kernel.org/show_bug.cgi?id=201921
Importance: Unknown
Status: Unknown
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Public bug reported:
Hello,
dmesg:
[ 13.388386] Bluetooth: hci0: RTL: rtl: unknown IC info, lmp subver a99e, hci
rev 826c, hci ver 0008
Best regards,
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Cristian Aravena Romero (caravena)
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: linux-image-4.19.0-8-generic 4.19.0-8.9
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