* [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off
@ 2021-12-17 11:42 bugzilla-daemon
2021-12-17 11:43 ` [Bug 215347] btintel: AX200 (8087:0029): hci crashes " bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-17 11:42 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
Bug ID: 215347
Summary: btintel: AX200 (8087:0029): hci crashed and can't
recover after repeated rfkill on/off
Product: Drivers
Version: 2.5
Kernel Version: 5.16-rc5
Hardware: Intel
OS: Linux
Tree: Mainline
Status: NEW
Severity: blocking
Priority: P1
Component: Bluetooth
Assignee: linux-bluetooth@vger.kernel.org
Reporter: hui.wang@canonical.com
Regression: No
Created attachment 300051
--> https://bugzilla.kernel.org/attachment.cgi?id=300051&action=edit
testing script
We have a couple of Lenovo machines which have Bluetooth hci (8087:0029), If we
run a script like below:
for a in {1..100}
do
echo $a
rfkill block $HCI0_ID
sleep 1
rfkill unblock $HCI0_ID
sleep 1
done
The kernel will print "hci0: Failed to read MSFT supported features (-110)"
after several round of rfkill block/unblock, and the bluetooth driver can't
work anymore from that moment. Sometimes 'rmmod btusb;modprobe btusb" could
make the bluetooth driver work again, sometimes need to reboot.
We already updated the kernel and linux-firmware to the latest, but still could
reproduce above issue.
And we run the same test on other machines with different Bluetooth hci like
8087:0026, they all work well with the testing script.
The 8087:0029 hci loads the intel/ibt-20-1-3.sfi, we suspect this is an issue
on the bluetooth firmware ibt-20-1-3.sfi, since 8087:0026 shares the same
kernel driver with 0029, but only 0029 has this issue.
And the testing script is attached.
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
@ 2021-12-17 11:43 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-17 11:43 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
Hui Wang (hui.wang@canonical.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|btintel: AX200 (8087:0029): |btintel: AX200 (8087:0029):
|hci crashed and can't |hci crashes and can't
|recover after repeated |recover after repeated
|rfkill on/off |rfkill on/off
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
2021-12-17 11:43 ` [Bug 215347] btintel: AX200 (8087:0029): hci crashes " bugzilla-daemon
@ 2021-12-18 0:02 ` bugzilla-daemon
2021-12-18 6:12 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-18 0:02 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #1 from Tedd An (tedd.an@intel.com) ---
Hi Hui Wang,
What's the kernel version?
I tried with the tip of the
bluetooth-next(https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/)
and didn't see the issue.
Could you capture the btmon log and dmesg log?
Regards,
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
2021-12-17 11:43 ` [Bug 215347] btintel: AX200 (8087:0029): hci crashes " bugzilla-daemon
2021-12-18 0:02 ` bugzilla-daemon
@ 2021-12-18 6:12 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-18 6:12 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #2 from Hui Wang (hui.wang@canonical.com) ---
Hi Tedd,
Forgot to mention, before running the bttest.sh, need to open the gnmoe
bluetooth setting, so the testing steps are:
- boot the system
- open a terminal and run 'dmesg -w'
- run gnome-settings->bluetooth (please see the attached picture)
- run bttest.sh
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-18 6:13 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #3 from Hui Wang (hui.wang@canonical.com) ---
Created attachment 300055
--> https://bugzilla.kernel.org/attachment.cgi?id=300055&action=edit
picture of gnome bluetooth setting
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-18 6:14 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #4 from Hui Wang (hui.wang@canonical.com) ---
Created attachment 300057
--> https://bugzilla.kernel.org/attachment.cgi?id=300057&action=edit
dmesg of the kernel bluetooth-next
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-18 6:15 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #5 from Hui Wang (hui.wang@canonical.com) ---
Created attachment 300059
--> https://bugzilla.kernel.org/attachment.cgi?id=300059&action=edit
btmon log
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-18 6:36 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #6 from Hui Wang (hui.wang@canonical.com) ---
And if the desktop is not gnome, we could replace "gnome-settings->bluetooth"
with a command-line "bluetoothctl scan on", so the test steps are:
- boot the system
- open a terminal and run 'dmesg -w'
- open another terminal and run 'bluetoothctl scan on' and wait for 5 seconds
- run bttest.sh
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-18 6:46 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #7 from Hui Wang (hui.wang@canonical.com) ---
(In reply to Hui Wang from comment #6)
> And if the desktop is not gnome, we could replace
> "gnome-settings->bluetooth" with a command-line "bluetoothctl scan on", so
> the test steps are:
> - boot the system
> - open a terminal and run 'dmesg -w'
> - open another terminal and run 'bluetoothctl scan on' and wait for 5 seconds
> - run bttest.sh
Please ignore this comment, "bluetoothctl scan on" doesn't help reproduce the
crashing.
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-22 22:56 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #8 from Tedd An (tedd.an@intel.com) ---
It seems like kernel oops in the dmesg and it may causes the issue.
[ 46.401807] ------------[ cut here ]------------
[ 46.401808] kernel BUG at net/core/skbuff.c:113!
[ 46.401819] invalid opcode: 0000 [#1] PREEMPT SMP
[ 46.401826] CPU: 7 PID: 142 Comm: kworker/u33:0 Not tainted 5.16.0-rc1+ #1
[ 46.401831] Hardware name: LENOVO 20U8S0PQ00/20U8S0PQ00, BIOS R19ET36W (1.20
) 07/12/2021
[ 46.401835] Workqueue: hci0 hci_rx_work [bluetooth]
[ 46.401890] RIP: 0010:skb_panic+0x4c/0x4e
[ 46.401899] Code: 4f 70 50 8b 87 bc 00 00 00 50 8b 87 b8 00 00 00 50 ff b7
c8 00 00 00 4c 8b 8f c0 00 00 00 48 c7 c7 e8 00 a7 98 e8 46 11 fb ff <0f> 0b 48
8b 55 08 48 c7 c1 60 b1 71 98 e8 a2 ff ff ff 48 c7 c6 b0
[ 46.401903] RSP: 0018:ffffa22980aa3c60 EFLAGS: 00010246
[ 46.401908] RAX: 0000000000000088 RBX: 0000000000000000 RCX:
0000000000000000
[ 46.401911] RDX: 0000000000000000 RSI: ffffffff989a0551 RDI:
00000000ffffffff
[ 46.401914] RBP: ffffa22980aa3c80 R08: 0000000000000000 R09:
ffffa22980aa3a50
[ 46.401917] R10: 0000000000000001 R11: 0000000000000001 R12:
00000000000000a5
[ 46.401919] R13: 00000000000000a5 R14: ffff9409c4e7c300 R15:
00000000000000aa
[ 46.401923] FS: 0000000000000000(0000) GS:ffff940ccefc0000(0000)
knlGS:0000000000000000
[ 46.401927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.401930] CR2: 00007fae7c01b398 CR3: 000000040c20f000 CR4:
0000000000350ee0
[ 46.401933] Call Trace:
[ 46.401937] <TASK>
[ 46.401942] skb_put.cold+0x10/0x10
[ 46.401947] mgmt_device_found+0x3c8/0x4c0 [bluetooth]
[ 46.402004] hci_extended_inquiry_result_evt+0x162/0x230 [bluetooth]
[ 46.402054] hci_event_packet+0x2cd/0x4b0 [bluetooth]
[ 46.402099] ? hci_remote_oob_data_request_evt+0x1f0/0x1f0 [bluetooth]
[ 46.402144] hci_rx_work+0x1b2/0x3d0 [bluetooth]
[ 46.402190] ? queue_delayed_work_on+0x3d/0x50
[ 46.402198] process_one_work+0x1ec/0x3c0
[ 46.402204] worker_thread+0x4d/0x3d0
[ 46.402210] kthread+0x17a/0x1a0
[ 46.402214] ? process_one_work+0x3c0/0x3c0
[ 46.402218] ? set_kthread_struct+0x40/0x40
[ 46.402223] ret_from_fork+0x22/0x30
[ 46.402232] </TASK>
[ 46.402234] Modules linked in: rfcomm bnep nls_iso8859_1 intel_rapl_msr
intel_rapl_common snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic
snd_hda_codec_hdmi snd_hda_intel edac_mce_amd snd_intel_dspcfg
snd_intel_sdw_acpi uvcvideo snd_hda_codec videobuf2_vmalloc snd_hda_core
videobuf2_memops btusb snd_hwdep videobuf2_v4l2 btrtl kvm_amd btbcm snd_pcm
input_leds btintel videobuf2_common kvm snd_seq_midi btmtk snd_seq_midi_event
bluetooth videodev snd_rawmidi joydev iwlmvm ecdh_generic think_lmi
thinkpad_acpi mc rapl ecc serio_raw firmware_attributes_class efi_pstore
wmi_bmof snd_seq nvram mac80211 platform_profile libarc4 ledtrig_audio
snd_seq_device iwlwifi snd_timer snd_rn_pci_acp3x ucsi_acpi ipmi_devintf snd
typec_ucsi snd_pci_acp3x cfg80211 k10temp ipmi_msghandler soundcore typec
mac_hid sch_fq_codel msr parport_pc ppdev lp parport sunrpc ip_tables x_tables
autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor raid6_pq
[ 46.402343] libcrc32c raid1 raid0 multipath linear dm_mirror dm_region_hash
dm_log amdgpu iommu_v2 gpu_sched i2c_algo_bit drm_ttm_helper ttm drm_kms_helper
syscopyarea sysfillrect rtsx_pci_sdmmc sysimgblt fb_sys_fops crc32c_intel
psmouse cec rc_core drm xhci_pci i2c_piix4 xhci_pci_renesas nvme rtsx_pci r8169
realtek nvme_core wmi video i2c_scmi
[ 46.402425] ---[ end trace e9aa209601e9071e ]---
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-22 23:45 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
Luiz Von Dentz (luiz.dentz@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |luiz.dentz@gmail.com
--- Comment #9 from Luiz Von Dentz (luiz.dentz@gmail.com) ---
This is like fixed by:
https://lore.kernel.org/linux-bluetooth/20211213212650.2067066-1-luiz.dentz@gmail.com/T/#t
It was fixup on the original patch and force pushed to bluetooth-next
yesterday.
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-23 5:28 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #10 from Hui Wang (hui.wang@canonical.com) ---
@Tedd and Luiz,
Got it, will re-test with the latest bluetooth-next. And we didn't experience
the kernel oops with ubuntu kernel 5.13 and 5.14, this kernel oops only happen
in the bluetooth-next kernel, so I guess the root cause is not the kernel oops.
Anyway, I will try to catch the log without the kernel oops (with the fix of
comment 9).
Thanks.
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-23 13:42 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #11 from Hui Wang (hui.wang@canonical.com) ---
Indeed, if kernel oops doesn't happen, this issue can't be reproduced with
bluetooth-next kernel anymore.
I will bisect kernel to find the fixing commit/commits for this bug, then close
this bug.
Thanks.
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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2021-12-23 13:42 ` bugzilla-daemon
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From: bugzilla-daemon @ 2021-12-25 1:32 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #12 from Hui Wang (hui.wang@canonical.com) ---
Through bisecting, I found the commit cf75ad8b41d2 ("Bluetooth: hci_sync:
Convert MGMT_SET_POWERED" fixed the bug I reported.
The problem is the commit has 10+ depending commits, it is not easy to bakcport
the fix to 5.14 and 5.15 kernels.
@Tedd and Luiz,
Do you have plan to backport the fix to stable 5.15 kernel at least?
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
2021-12-17 11:42 [Bug 215347] New: btintel: AX200 (8087:0029): hci crashed and can't recover after repeated rfkill on/off bugzilla-daemon
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From: bugzilla-daemon @ 2022-01-20 1:22 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
--- Comment #13 from Hui Wang (hui.wang@canonical.com) ---
Since the problem is fixed in the latest kernel. close this bug now.
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* [Bug 215347] btintel: AX200 (8087:0029): hci crashes and can't recover after repeated rfkill on/off
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From: bugzilla-daemon @ 2022-01-20 1:22 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=215347
Hui Wang (hui.wang@canonical.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |CODE_FIX
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