Fwd: Crashes in 5.15-git in i2c code

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Hi linux-i2c.

I'm daily-driving the linux from Linus' git (recompiling every day or
two), and yesterday it stopped booting. Below is the dmesg from
pstore. I'm currently at
https://github.com/torvalds/linux/commit/6b75d88fa81b122cce37ebf17428a849ccd3d0f1

My cmdline
BOOT_IMAGE=/vmlinuz-5.15.0+
root=UUID=8759fa14-93a4-4dc1-87e6-aa6f5cdbb2ff ro nosplash
mitigations=off no_file_caps apparmor=0 selinux=0 audit=0
amdgpu.ppfeaturemask=0xffffffff hugepagesz=1G default_hugepagesz=1G
hugepages=8 amd_iommu=on iommu=pt
vfio-pci.ids=10de:1f02,10de:10f9,10de:1ada,10de:1adb
drm.edid_firmware=DP-1:edid/sam-g9.edid isolcpus=1,2,5,6,17,18,21,22
tsc=unstable

I can try bisecting if you think it might, but I haven't done it so
far with the Linux kernel, so wondering if you can see anything from
the dmesg. I can also test some patches.

The controller is on the RTX6800RX.

But, when I compile out the designware driver, problems appear
elsewhere in the i2c code, so it seems to be something more
fundamental to the i2c subsystem.

0c:00.3 Serial bus controller [0c80]: Advanced Micro Devices, Inc.
[AMD/ATI] Navi 21 USB
        Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Device 0408
        Flags: bus master, fast devsel, latency 0, IRQ 66, IOMMU group 30
        Memory at fbb20000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [48] Vendor Specific Information: Len=08 <?>
        Capabilities: [50] Power Management version 3
        Capabilities: [64] Express Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable+ Count=1/2 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
        Capabilities: [150] Advanced Error Reporting
        Capabilities: [2a0] Access Control Services
        Kernel driver in use: i2c-designware-pci
        Kernel modules: i2c_designware_pci

grep 447 dmesg.txt
<1>[    1.431369][  T447] BUG: kernel NULL pointer dereference,
address: 0000000000000540
<1>[    1.431371][  T447] #PF: supervisor read access in kernel mode
<1>[    1.431375][  T447] #PF: error_code(0x0000) - not-present page
<6>[    1.431378][  T447] PGD 0 P4D 0
<4>[    1.431384][  T447] Oops: 0000 [#1] PREEMPT SMP NOPTI
<4>[    1.431388][  T447] CPU: 12 PID: 447 Comm: systemd-udevd
Tainted: G            E     5.15.0+ #91
<4>[    1.431391][  T447] Hardware name: ASUS System Product Name/ROG
CROSSHAIR VIII FORMULA, BIOS 3801 07/30/2021
<4>[    1.431392][  T447] RIP: 0010:i2c_dw_pci_resume+0x8/0x40
[i2c_designware_pci]
<4>[    1.431399][  T447] Code: 00 00 00 00 66 66 2e 0f 1f 84 00 00 00
00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 84 00 00 00 00 00 53 48
8b 5f 78 48 89 df <ff> 93 40 05 00 00 c6 83 c0 05 00 00 00 5b c3 66 66
2e 0f 1f 84 00
<4>[    1.431401][  T447] RSP: 0018:ffffb3e740a13ba8 EFLAGS: 00010286
<4>[    1.431403][  T447] RAX: 0000000000000000 RBX: 0000000000000000
RCX: 0000000000000000
<4>[    1.431404][  T447] RDX: ffffffffc07311c0 RSI: 0000000000000000
RDI: 0000000000000000
<4>[    1.431406][  T447] RBP: ffffa13f41ea3000 R08: 0000000000000002
R09: 0000000000008008
<4>[    1.431406][  T447] R10: 0000000000000000 R11: 000000000000000c
R12: ffffffffc0732660
<4>[    1.431407][  T447] R13: 0000000000000000 R14: 0000000000000001
R15: 0000000000000000
<4>[    1.431409][  T447] FS:  00007fb5a80228c0(0000)
GS:ffffa1464ed00000(0000) knlGS:0000000000000000
<4>[    1.431411][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[    1.431412][  T447] CR2: 0000000000000540 CR3: 000000010e630000
CR4: 0000000000750ee0
<4>[    1.431413][  T447] PKRU: 55555554
<4>[    1.431416][  T447] Call Trace:
<4>[    1.431421][  T447]  <TASK>
<4>[    1.431422][  T447]  pci_pm_runtime_resume+0xaa/0x100
<4>[    1.431433][  T447]  ? pci_pm_thaw+0xc0/0xc0
<4>[    1.431434][  T447]  __rpm_callback+0x3c/0x100
<4>[    1.431440][  T447]  ? pci_pm_thaw+0xc0/0xc0
<4>[    1.431442][  T447]  rpm_callback+0x54/0x80
<4>[    1.431443][  T447]  ? pci_pm_thaw+0xc0/0xc0
<4>[    1.431445][  T447]  rpm_resume+0x410/0x700
<4>[    1.431447][  T447]  ? kernfs_activate+0x11/0x100
<4>[    1.431452][  T447]  ? kernfs_add_one+0xdd/0x140
<4>[    1.431455][  T447]  __pm_runtime_resume+0x45/0x80
<4>[    1.431457][  T447]  pci_device_probe+0xa2/0x140
<4>[    1.431459][  T447]  really_probe+0x1e4/0x400
<4>[    1.431464][  T447]  __driver_probe_device+0xf9/0x180
<4>[    1.431466][  T447]  driver_probe_device+0x19/0xc0
<4>[    1.431468][  T447]  __driver_attach+0xb8/0x1c0
<4>[    1.431470][  T447]  ? __device_attach_driver+0x100/0x100
<4>[    1.431472][  T447]  ? __device_attach_driver+0x100/0x100
<4>[    1.431473][  T447]  bus_for_each_dev+0x6c/0xc0
<4>[    1.431475][  T447]  bus_add_driver+0x13f/0x200
<4>[    1.431478][  T447]  driver_register+0x8a/0x100
<4>[    1.431481][  T447]  ? 0xffffffffc0736000
<4>[    1.431482][  T447]  do_one_initcall+0x44/0x1c0
<4>[    1.431487][  T447]  ? load_module+0x9f8/0xac0
<4>[    1.431491][  T447]  ? kmem_cache_alloc+0x14e/0x340
<4>[    1.431496][  T447]  do_init_module+0x51/0x240
<4>[    1.431498][  T447]  __do_sys_finit_module+0xaf/0x140
<4>[    1.431501][  T447]  do_syscall_64+0x35/0x80
<4>[    1.431505][  T447]  entry_SYSCALL_64_after_hwframe+0x44/0xae
<4>[    1.431509][  T447] RIP: 0033:0x7fb5a84d97b9
<4>[    1.431511][  T447] Code: 48 8d 3d 5a a0 0c 00 0f 05 eb a5 66 0f
1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c
8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 87 56 0c 00 f7
d8 64 89 01 48
<4>[    1.431512][  T447] RSP: 002b:00007ffcafbc6258 EFLAGS: 00000246
ORIG_RAX: 0000000000000139
<4>[    1.431513][  T447] RAX: ffffffffffffffda RBX: 0000563806da65d0
RCX: 00007fb5a84d97b9
<4>[    1.431514][  T447] RDX: 0000000000000000 RSI: 00007fb5a8679eed
RDI: 000000000000000c
<4>[    1.431515][  T447] RBP: 0000000000020000 R08: 0000000000000000
R09: 0000563806daecc0
<4>[    1.431516][  T447] R10: 000000000000000c R11: 0000000000000246
R12: 00007fb5a8679eed
<4>[    1.431518][  T447] R13: 0000000000000000 R14: 0000563806d9ca00
R15: 0000563806da65d0
<4>[    1.431520][  T447]  </TASK>
<4>[    1.431520][  T447] Modules linked in: i2c_designware_pci(E+)
aesni_intel(E+) i2c_piix4(E) i2c_designware_core(E) backlight(E)
xhci_pci(E+) ice(E+) xhci_pci_renesas(E) nvme(E) wmi(E)
<4>[    1.431525][  T447] CR2: 0000000000000540
<4>[    1.431528][  T447] ---[ end trace d5eecb89365b3d11 ]---
<4>[    1.580240][  T447] RIP: 0010:i2c_dw_pci_resume+0x8/0x40
[i2c_designware_pci]
<4>[    1.587403][  T447] Code: 00 00 00 00 66 66 2e 0f 1f 84 00 00 00
00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 84 00 00 00 00 00 53 48
8b 5f 78 48 89 df <ff> 93 40 05 00 00 c6 83 c0 05 00 00 00 5b c3 66 66
2e 0f 1f 84 00
<4>[    1.588236][  T447] RSP: 0018:ffffb3e740a13ba8 EFLAGS: 00010286
<4>[    1.589626][  T447]
<4>[    1.589626][  T447] RAX: 0000000000000000 RBX: 0000000000000000
RCX: 0000000000000000
<4>[    1.590245][  T447] RDX: ffffffffc07311c0 RSI: 0000000000000000
RDI: 0000000000000000
<4>[    1.590245][  T447] RBP: ffffa13f41ea3000 R08: 0000000000000002
R09: 0000000000008008
<4>[    1.590245][  T447] R10: 0000000000000000 R11: 000000000000000c
R12: ffffffffc0732660
<4>[    1.590245][  T447] R13: 0000000000000000 R14: 0000000000000001
R15: 0000000000000000
<4>[    1.594239][  T447] FS:  00007fb5a80228c0(0000)
GS:ffffa1464ed00000(0000) knlGS:0000000000000000
<4>[    1.594239][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[    1.594239][  T447] CR2: 0000000000000540 CR3: 000000010e630000
CR4: 0000000000750ee0
<4>[    1.596236][  T447] PKRU: 55555554
<1>[    1.431369][  T447] BUG: kernel NULL pointer dereference,
address: 0000000000000540
<1>[    1.431371][  T447] #PF: supervisor read access in kernel mode
<1>[    1.431375][  T447] #PF: error_code(0x0000) - not-present page
<6>[    1.431378][  T447] PGD 0 P4D 0
<4>[    1.431384][  T447] Oops: 0000 [#1] PREEMPT SMP NOPTI
<4>[    1.431388][  T447] CPU: 12 PID: 447 Comm: systemd-udevd
Tainted: G            E     5.15.0+ #91
<4>[    1.431391][  T447] Hardware name: ASUS System Product Name/ROG
CROSSHAIR VIII FORMULA, BIOS 3801 07/30/2021
<4>[    1.431392][  T447] RIP: 0010:i2c_dw_pci_resume+0x8/0x40
[i2c_designware_pci]
<4>[    1.431399][  T447] Code: 00 00 00 00 66 66 2e 0f 1f 84 00 00 00
00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 84 00 00 00 00 00 53 48
8b 5f 78 48 89 df <ff> 93 40 05 00 00 c6 83 c0 05 00 00 00 5b c3 66 66
2e 0f 1f 84 00
<4>[    1.431401][  T447] RSP: 0018:ffffb3e740a13ba8 EFLAGS: 00010286
<4>[    1.431403][  T447] RAX: 0000000000000000 RBX: 0000000000000000
RCX: 0000000000000000
<4>[    1.431404][  T447] RDX: ffffffffc07311c0 RSI: 0000000000000000
RDI: 0000000000000000
<4>[    1.431406][  T447] RBP: ffffa13f41ea3000 R08: 0000000000000002
R09: 0000000000008008
<4>[    1.431406][  T447] R10: 0000000000000000 R11: 000000000000000c
R12: ffffffffc0732660
<4>[    1.431407][  T447] R13: 0000000000000000 R14: 0000000000000001
R15: 0000000000000000
<4>[    1.431409][  T447] FS:  00007fb5a80228c0(0000)
GS:ffffa1464ed00000(0000) knlGS:0000000000000000
<4>[    1.431411][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[    1.431412][  T447] CR2: 0000000000000540 CR3: 000000010e630000
CR4: 0000000000750ee0
<4>[    1.431413][  T447] PKRU: 55555554
<4>[    1.431416][  T447] Call Trace:
<4>[    1.431421][  T447]  <TASK>
<4>[    1.431422][  T447]  pci_pm_runtime_resume+0xaa/0x100
<4>[    1.431433][  T447]  ? pci_pm_thaw+0xc0/0xc0
<4>[    1.431434][  T447]  __rpm_callback+0x3c/0x100
<4>[    1.431440][  T447]  ? pci_pm_thaw+0xc0/0xc0
<4>[    1.431442][  T447]  rpm_callback+0x54/0x80
<4>[    1.431443][  T447]  ? pci_pm_thaw+0xc0/0xc0
<4>[    1.431445][  T447]  rpm_resume+0x410/0x700
<4>[    1.431447][  T447]  ? kernfs_activate+0x11/0x100
<4>[    1.431452][  T447]  ? kernfs_add_one+0xdd/0x140
<4>[    1.431455][  T447]  __pm_runtime_resume+0x45/0x80
<4>[    1.431457][  T447]  pci_device_probe+0xa2/0x140
<4>[    1.431459][  T447]  really_probe+0x1e4/0x400
<4>[    1.431464][  T447]  __driver_probe_device+0xf9/0x180
<4>[    1.431466][  T447]  driver_probe_device+0x19/0xc0
<4>[    1.431468][  T447]  __driver_attach+0xb8/0x1c0
<4>[    1.431470][  T447]  ? __device_attach_driver+0x100/0x100
<4>[    1.431472][  T447]  ? __device_attach_driver+0x100/0x100
<4>[    1.431473][  T447]  bus_for_each_dev+0x6c/0xc0
<4>[    1.431475][  T447]  bus_add_driver+0x13f/0x200
<4>[    1.431478][  T447]  driver_register+0x8a/0x100
<4>[    1.431481][  T447]  ? 0xffffffffc0736000
<4>[    1.431482][  T447]  do_one_initcall+0x44/0x1c0
<4>[    1.431487][  T447]  ? load_module+0x9f8/0xac0
<4>[    1.431491][  T447]  ? kmem_cache_alloc+0x14e/0x340
<4>[    1.431496][  T447]  do_init_module+0x51/0x240
<4>[    1.431498][  T447]  __do_sys_finit_module+0xaf/0x140
<4>[    1.431501][  T447]  do_syscall_64+0x35/0x80
<4>[    1.431505][  T447]  entry_SYSCALL_64_after_hwframe+0x44/0xae
<4>[    1.431509][  T447] RIP: 0033:0x7fb5a84d97b9
<4>[    1.431511][  T447] Code: 48 8d 3d 5a a0 0c 00 0f 05 eb a5 66 0f
1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c
8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 87 56 0c 00 f7
d8 64 89 01 48
<4>[    1.431512][  T447] RSP: 002b:00007ffcafbc6258 EFLAGS: 00000246
ORIG_RAX: 0000000000000139
<4>[    1.431513][  T447] RAX: ffffffffffffffda RBX: 0000563806da65d0
RCX: 00007fb5a84d97b9
<4>[    1.431514][  T447] RDX: 0000000000000000 RSI: 00007fb5a8679eed
RDI: 000000000000000c
<4>[    1.431515][  T447] RBP: 0000000000020000 R08: 0000000000000000
R09: 0000563806daecc0
<4>[    1.431516][  T447] R10: 000000000000000c R11: 0000000000000246
R12: 00007fb5a8679eed
<4>[    1.431518][  T447] R13: 0000000000000000 R14: 0000563806d9ca00
R15: 0000563806da65d0
<4>[    1.431520][  T447]  </TASK>
<4>[    1.431520][  T447] Modules linked in: i2c_designware_pci(E+)
aesni_intel(E+) i2c_piix4(E) i2c_designware_core(E) backlight(E)
xhci_pci(E+) ice(E+) xhci_pci_renesas(E) nvme(E) wmi(E)
<4>[    1.431525][  T447] CR2: 0000000000000540
<4>[    1.431528][  T447] ---[ end trace d5eecb89365b3d11 ]---

Hope this helps.



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