iommu: Unhandled context fault: iova=0x46179a00, fsynr=0x12, cb=19, sid=4(0x4 - VI)

Robotics & Edge Computing Jetson & Embedded Systems Jetson TX2
1

Hi,
We are using R28.1 with two OV cameras.

There is no embedded lines.
Each Camera works fine.
If I start two cameras simultaneously with qv4l2.

[  334.220455] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45800000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.234590] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45979a00, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.248719] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45af3400, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.437224] irq 55: nobody cared (try booting with the "irqpoll" option)
[  334.443917] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.38 #119
[  334.449996] Hardware name: quill (DT)
[  334.453648] Call trace:
[  334.456095] [<ffffffc000089854>] dump_backtrace+0x0/0x100
[  334.461482] [<ffffffc000089a1c>] show_stack+0x14/0x1c
[  334.466525] [<ffffffc00031de78>] dump_stack+0x98/0xc0
[  334.471566] [<ffffffc0000f74ac>] __report_bad_irq+0x38/0xe0
[  334.477126] [<ffffffc0000f7804>] note_interrupt+0x1f4/0x2b4
[  334.482687] [<ffffffc0000f4d28>] handle_irq_event_percpu+0xfc/0x290
[  334.488939] [<ffffffc0000f4f00>] handle_irq_event+0x44/0x74
[  334.494499] [<ffffffc0000f8208>] handle_fasteoi_irq+0xb4/0x188
[  334.500318] [<ffffffc0000f42d0>] generic_handle_irq+0x24/0x38
[  334.506050] [<ffffffc0000f45d8>] __handle_domain_irq+0x60/0xb4
[  334.511870] [<ffffffc0000815dc>] gic_handle_irq+0x5c/0xb4
[  334.517256] [<ffffffc000084740>] el1_irq+0x80/0xf8
[  334.522037] [<ffffffc0000a8e28>] irq_exit+0x84/0xdc
[  334.526904] [<ffffffc0000f45e4>] __handle_domain_irq+0x6c/0xb4
[  334.532722] [<ffffffc0000815dc>] gic_handle_irq+0x5c/0xb4
[  334.538107] [<ffffffc000084740>] el1_irq+0x80/0xf8
[  334.542888] [<ffffffc000913af8>] cpuidle_enter+0x18/0x20
[  334.548189] [<ffffffc0000e7a74>] call_cpuidle+0x28/0x50
[  334.553401] [<ffffffc0000e7c18>] cpu_startup_entry+0x17c/0x340
[  334.559224] [<ffffffc000cb30a4>] rest_init+0x84/0x8c
[  334.564177] [<ffffffc00130897c>] start_kernel+0x39c/0x3b0
[  334.569564] [<0000000080cb9000>] 0x80cb9000
[  334.573734] handlers:
[  334.576003] [<ffffffc0009a7b84>] tegra_mcerr_hard_irq threaded [<ffffffc0009a7bd0>] tegra_mcerr_thread
[  334.585312] Disabling IRQ #55
[  334.588388] unknown mcerr fault, int_status=0x00001040, ch_int_status=0x00000200, hubc_int_status=0x00000000
[  334.620416] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45c00000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.634551] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45d79400, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.648668] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45ef2900, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.700411] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46000000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.714616] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46179800, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.728753] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x462f5000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  334.780415] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46400000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.223189] __arm_smmu_context_fault: 100457 callbacks suppressed
[  339.229284] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45854900, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.243412] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45a70500, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.260027] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45c00000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.274148] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45d78fc0, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.288254] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45ef2500, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.340022] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46000000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.354135] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46179300, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.368244] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x462f2500, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.382350] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x4643e500, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  339.396485] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x465b7100, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.247105] __arm_smmu_context_fault: 112949 callbacks suppressed
[  344.253197] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45adec00, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.267320] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45ccdb00, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.281434] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45e47500, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.299613] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46000000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.313741] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46179a00, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.327867] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x462f2e00, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.379610] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46400000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.393838] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x46579a00, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.408005] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x466f5e00, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0
[  344.459597] arm-smmu 12000000.iommu: Unhandled context fault: iova=0x45800000, fsynr=0x12, cb=19, sid=4(0x4 - VI), pgd=26a796003, pud=26a796003, pmd=0, pte=0

And the screen flickering.

Can you help me with this? ＠ShaneCCC

2

Can you try v4l2-ctl ?

3

@ShaneCCC

With v4l2-ctl, the two cameras work fine.

When using two programs to access the two camera streams with display , sometimes the problem will show.

Thanks.

4

Not clear “When using two programs to access the two camera streams with display”

5

Hi,
I meet the same problem. Have you already fixed this problem?

6

The problem is still there.

7

Does the problem still there without streaming to display?

8

Without display, the stream seems working fine.

9

How do you display them?