From: "Jeremy Lainé" <jeremy.laine@m4x.org>
To: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: linux-bluetooth@vger.kernel.org, regressions@lists.linux.dev
Subject: Re: Bluetooth kernel BUG with Intel AX211 (regression in 6.1.83)
Date: Mon, 22 Apr 2024 01:17:10 +0200 [thread overview]
Message-ID: <CADRbXaD5Fsy0dxjrVG2JAn1PA36hpoTe6=23=zbhx8NWNf_9mg@mail.gmail.com> (raw)
In-Reply-To: <8eeb980a-f04a-4e94-8065-25566cfef4dd@molgen.mpg.de>
Hi Paul,
On Sun, Apr 21, 2024 at 11:01 PM Paul Menzel <pmenzel@molgen.mpg.de> wrote:
>
> Would you be so kind to go the extra mail, and bisect the commit between
> 6.1.82 and 6.1.83 [1]?
>
Thanks for the link to the instructions, here's the bisect log:
git bisect start
# status: waiting for both good and bad commits
# good: [d7543167affd372819a94879b8b1e8b9b12547d9] Linux 6.1.82
git bisect good d7543167affd372819a94879b8b1e8b9b12547d9
# status: waiting for bad commit, 1 good commit known
# bad: [e5cd595e23c1a075359a337c0e5c3a4f2dc28dd1] Linux 6.1.83
git bisect bad e5cd595e23c1a075359a337c0e5c3a4f2dc28dd1
# bad: [440e278cb53b8dd6627c32e84950350083c39d35] net: kcm: fix
incorrect parameter validation in the kcm_getsockopt) function
git bisect bad 440e278cb53b8dd6627c32e84950350083c39d35
# good: [a4116bd6ee5e1c1b65a61ed9221657615a2f45bf] arm64: dts:
imx8mm-kontron: Disable pull resistors for SD card signals on BL OSM-S
board
git bisect good a4116bd6ee5e1c1b65a61ed9221657615a2f45bf
# good: [e16c33dd9967b7f20987bf653acc4f605836127b] net: mctp: copy skb
ext data when fragmenting
git bisect good e16c33dd9967b7f20987bf653acc4f605836127b
# bad: [6083089ab00631617f9eac678df3ab050a9d837a] Bluetooth: hci_conn:
Consolidate code for aborting connections
git bisect bad 6083089ab00631617f9eac678df3ab050a9d837a
# good: [934212a623cbab851848b6de377eb476718c3e4c] SUNRPC: fix some
memleaks in gssx_dec_option_array
git bisect good 934212a623cbab851848b6de377eb476718c3e4c
# good: [8499af0616cf76e6cbe811107e3f5b33bd472041] igb: Fix missing
time sync events
git bisect good 8499af0616cf76e6cbe811107e3f5b33bd472041
# good: [653a17a99d752ffde175d4bc96154f2a3642f400] Bluetooth: Remove
superfluous call to hci_conn_check_pending()
git bisect good 653a17a99d752ffde175d4bc96154f2a3642f400
# good: [1023de27cd1d0d692e70fe6d6d5cee9fff9b9c84] Bluetooth: Cancel
sync command before suspend and power off
git bisect good 1023de27cd1d0d692e70fe6d6d5cee9fff9b9c84
# good: [ac7a47aaa7944efc94e4fc23cc438b7bd9cc222c] Bluetooth:
hci_sync: Only allow hci_cmd_sync_queue if running
git bisect good ac7a47aaa7944efc94e4fc23cc438b7bd9cc222c
# first bad commit: [6083089ab00631617f9eac678df3ab050a9d837a]
Bluetooth: hci_conn: Consolidate code for aborting connections
> You can pipe the output through `scripts/decodecode` and it should show
> more information.
This was the output of running the dmesg snippet through `scripts/decodecode`:
All code
========
0: fe (bad)
1: ff 0f decl (%rdi)
3: 0b 48 89 or -0x77(%rax),%ecx
6: f2 48 89 fe repnz mov %rdi,%rsi
a: 48 c7 c7 48 18 7a 9f mov $0xffffffff9f7a1848,%rdi
11: e8 14 a1 fe ff call 0xfffffffffffea12a
16: 0f 0b ud2
18: 48 89 fe mov %rdi,%rsi
1b: 48 89 ca mov %rcx,%rdx
1e: 48 c7 c7 10 18 7a 9f mov $0xffffffff9f7a1810,%rdi
25: e8 00 a1 fe ff call 0xfffffffffffea12a
2a:* 0f 0b ud2 <-- trapping instruction
2c: 48 89 fe mov %rdi,%rsi
2f: 48 c7 c7 d8 17 7a 9f mov $0xffffffff9f7a17d8,%rdi
36: e8 ef a0 fe ff call 0xfffffffffffea12a
3b: 0f 0b ud2
3d: 48 89 fe mov %rdi,%rsi
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 48 89 fe mov %rdi,%rsi
5: 48 c7 c7 d8 17 7a 9f mov $0xffffffff9f7a17d8,%rdi
c: e8 ef a0 fe ff call 0xfffffffffffea100
11: 0f 0b ud2
13: 48 89 fe mov %rdi,%rsi
Best regards,
Jeremy
next prev parent reply other threads:[~2024-04-21 23:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-21 13:54 Bluetooth kernel BUG with Intel AX211 (regression in 6.1.83) Jeremy Lainé
2024-04-21 21:00 ` Paul Menzel
2024-04-21 23:17 ` Jeremy Lainé [this message]
2024-04-22 5:41 ` Linux regression tracking (Thorsten Leemhuis)
2024-04-22 8:27 ` Jeremy Lainé
2024-04-22 9:56 ` Linux regression tracking (Thorsten Leemhuis)
2024-04-29 10:24 ` Linux regression tracking (Thorsten Leemhuis)
2024-04-29 18:28 ` Jeremy Lainé
2024-04-29 18:46 ` Linux regression tracking (Thorsten Leemhuis)
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