Misaligned patch-site bcm2836_arm_irqchip_handle_irq+0x0/0x88

Florian Fainelli f.fainelli at gmail.com
Fri Feb 24 16:12:54 PST 2023


On 2/24/2023 3:39 PM, Florian Fainelli wrote:
> Hello,
> 
> You will find a complete boot log [1] below that shows the failure as 
> well as the configuration file [2], however I am hitting what you see 
> below as of v6.2-10217-ga93e884edf61. Have not tried linux-next yet, so 
> if this is a known issue, please ignore :)

Applying:

https://lore.kernel.org/lkml/20230124120913.GA26449@willie-the-truck/T/

did not help, System.map still shows:

ffffffc00801005c t bcm2836_arm_irqchip_handle_irq

which explains the warning: !IS_ALIGNED(sizeof(unsigned long)). In case 
this matters.

Both gic_handle_irq appear to be aligned as expected, and also marked as 
__exception_irq_entry:

ffffffc0080100e4 t gic_handle_irq
ffffffc0080101a0 t gic_handle_irq

> 
> This is seen with on a Raspberry pi 4B running in AArch64 mode.
> 
> [1]: https://gist.github.com/b1a977b5fea837d180ccb800f091218a
> [2]: https://gist.github.com/64cf18b6ee770d58f64371e1db01afb9
> 
> Thanks!
> 
> 
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site 
> bcm2836_arm_irqchip_handle_irq+0x0/0x88
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: ffffffc00809000c x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000000 x24: 
> ffffffc009777be8
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc008090054 x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 383878302f307830 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 7172695f6d72615f x9 : 
> dfffffc000000000
> [    0.000000] x8 : 636220657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site gic_handle_irq+0x0/0xbc
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: 0000000000000000 x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000000 x24: 
> ffffffc009777bf0
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc0080900dc x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 636278302f307830 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 657469732d686374 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 696720657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site __traceiter_initcall_start+0x0/0x84
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: ffffffc00809438c x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000030 x24: 
> ffffffc009777c10
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc008094404 x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 343878302f307830 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 7265746965636172 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 5f5f20657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site trace_initcall_start_cb+0x0/0x70
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: ffffffc008094494 x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000040 x24: 
> ffffffc009777c20
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc008094544 x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 303778302f307830 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 6e695f6563617274 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 727420657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site run_init_process+0x0/0x11c
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: 0000000000000000 x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000040 x24: 
> ffffffc009777c28
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc0080945dc x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 63313178302f3078 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 757220657469732d x9 : 
> dfffffc000000000
> [    0.000000] x8 : 757220657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site initcall_blacklisted+0x0/0x170
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: ffffffc008094704 x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000050 x24: 
> ffffffc009777c38
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc00809508c x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 30373178302f3078 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 616374696e692065 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 6e6920657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site trace_initcall_finish_cb+0x0/0x74
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: 0000000000000000 x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000050 x24: 
> ffffffc009777c40
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc0080952d4 x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 343778302f307830 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 696e695f65636172 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 727420657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site do_one_initcall+0x0/0x2a0
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: 0000000000000000 x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000050 x24: 
> ffffffc009777c48
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc0080954ac x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 30613278302f3078 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 6420657469732d68 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 6f6420657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site match_dev_by_label+0x0/0x64
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: ffffffc008095704 x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000060 x24: 
> ffffffc009777c58
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc00809574c x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 343678302f307830 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 74616d2065746973 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 616d20657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] Misaligned patch-site wait_for_initramfs+0x0/0x6c
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/kernel/ftrace.c:120 
> ftrace_call_adjust+0x4c/0x70
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_call_adjust+0x4c/0x70
> [    0.000000] lr : ftrace_call_adjust+0x4c/0x70
> [    0.000000] sp : ffffffc00c6e7d90
> [    0.000000] x29: ffffffc00c6e7d90 x28: ffffffc00809590c x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000000090 x24: 
> ffffffc009777c78
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> 0000000000000000
> [    0.000000] x20: ffffffc008fa5340 x19: ffffffc008095d7c x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 633678302f307830 x12: 
> 1ffffff8018dcf38
> [    0.000000] x11: ffffffb8018dcf38 x10: 6961772065746973 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 617720657469732d x7 : ffffffc00c6e79c7 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> 0000000000000000
> [    0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 
> ffffffc00c6f77c0
> [    0.000000] Call trace:
> [    0.000000]  ftrace_call_adjust+0x4c/0x70
> [    0.000000]  ftrace_process_locs+0x294/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] WARNING: CPU: 0 PID: 0 at kernel/trace/ftrace.c:6856 
> ftrace_process_locs+0x2ec/0x4a8
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W 6.2.0 #32
> [    0.000000] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS 
> BTYPE=--)
> [    0.000000] pc : ftrace_process_locs+0x2ec/0x4a8
> [    0.000000] lr : ftrace_process_locs+0x2e4/0x4a8
> [    0.000000] sp : ffffffc00c6e7dc0
> [    0.000000] x29: ffffffc00c6e7dc0 x28: ffffffc0097489b4 x27: 
> 0000000000001000
> [    0.000000] x26: ffffff8040080000 x25: 0000000000054260 x24: 
> ffffffc0097cc1b0
> [    0.000000] x23: ffffffc00c85c460 x22: 0000000000000000 x21: 
> ffffff804000e000
> [    0.000000] x20: ffffffc00cdfa1c0 x19: ffffff804000e000 x18: 
> 000000004e2504be
> [    0.000000] x17: 0000000000000000 x16: 0000000000000000 x15: 
> 0000000000000000
> [    0.000000] x14: 0000000000000000 x13: 633678302f307830 x12: 
> 1ffffff8018e1388
> [    0.000000] x11: ffffffb8018e1388 x10: 6961772065746973 x9 : 
> dfffffc000000000
> [    0.000000] x8 : 617720657469732d x7 : ffffffc00c709c40 x6 : 
> 0000000000000000
> [    0.000000] x5 : 0000000000000001 x4 : dfffffc000000000 x3 : 
> ffffffc0081ec504
> [    0.000000] x2 : 0000000000000007 x1 : 0000000000000000 x0 : 
> ffffff804000e100
> [    0.000000] Call trace:
> [    0.000000]  ftrace_process_locs+0x2ec/0x4a8
> [    0.000000]  ftrace_init+0x84/0x140
> [    0.000000]  start_kernel+0x170/0x398
> [    0.000000]  __primary_switched+0xb8/0xc8
> [    0.000000] ---[ end trace 0000000000000000 ]---

-- 
Florian



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