我在带有 MpSoc 和 FPGA 的评估板上使用 petalinux / yocto。我是整个嵌入式 Linux 的新手,当我尝试运行预编译的示例时,我收到了这个错误消息。任何关于出了什么问题的指示都值得赞赏。
[ 91.171070] rcu: INFO: rcu_sched self-detected stall on CPU
[ 91.176642] rcu: 0-....: (5249 ticks this GP) idle=66a/1/0x4000000000000002 softirq=1286/1286 fqs=2625
[ 91.186107] (t=5252 jiffies g=1737 q=5)
[ 91.190013] Task dump for CPU 0:
[ 91.193225] resnet50 R running task 0 740 608 0x00000002
[ 91.200265] Call trace:
[ 91.202701] dump_backtrace+0x0/0x140
[ 91.206352] show_stack+0x14/0x20
[ 91.209652] sched_show_task+0xf4/0x120
[ 91.213479] dump_cpu_task+0x40/0x50
[ 91.217038] rcu_dump_cpu_stacks+0xa0/0xe0
[ 91.221118] rcu_sched_clock_irq+0x52c/0x780
[ 91.225372] update_process_times+0x2c/0x68
[ 91.229539] tick_sched_handle.isra.0+0x30/0x50
[ 91.234052] tick_sched_timer+0x48/0x98
[ 91.237872] __hrtimer_run_queues+0xec/0x1e8
[ 91.242125] hrtimer_interrupt+0x110/0x2c0
[ 91.246207] arch_timer_handler_phys+0x30/0x40
[ 91.250633] handle_percpu_devid_irq+0x80/0x140
[ 91.255147] generic_handle_irq+0x24/0x38
[ 91.259140] __handle_domain_irq+0x60/0xb8
[ 91.263220] gic_handle_irq+0x5c/0xb8
[ 91.266866] el1_irq+0xb8/0x140
[ 91.269992] misc_open+0x50/0x1a0
[ 91.273291] chrdev_open+0xc4/0x200
[ 91.276763] do_dentry_open+0x104/0x398
[ 91.280581] vfs_open+0x28/0x30
[ 91.283708] path_openat+0x4a0/0x1248
[ 91.287353] do_filp_open+0x74/0xf8
[ 91.290825] do_sys_open+0x168/0x218
[ 91.294384] __arm64_sys_openat+0x20/0x28
[ 91.298381] el0_svc_common.constprop.0+0x68/0x160
[ 91.303161] el0_svc_handler+0x6c/0x88
[ 91.306893] el0_svc+0x8/0xc