Hi
I meet a very strange issue, the tx2 will reboot abnormally sometimes.
when the kernel reboot anbormally, the kernel will printk below information:
nvidia-desktop login: [ 28.189851] kernel BUG at ./include/linux/pagemap.h:147!
[ 28.195160] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[ 28.200637] Modules linked in: bnep fuse option usb_wwan can_gw can_bcm can_raw can mttcan can_dev qmi_wwan_q cdc_wdm zram overlay cdc_acm bcmdhd ftdi_sio cfg80211 spidev binfmt_misc userspace_alert nvgpu bluedroid_pm ip_tables x_tables
[ 28.221820] CPU: 0 PID: 3 Comm: ksoftirqd/0 Not tainted 4.9.201-tegra #6
[ 28.228508] Hardware name: quill (DT)
[ 28.232164] task: ffffffc1ecb31c00 task.stack: ffffffc1ecb54000
[ 28.238077] PC is at find_get_entries+0x21c/0x268
[ 28.242773] LR is at find_get_entries+0x1e8/0x268
[ 28.247466] pc : [] lr : [] pstate: 00400045
[ 28.254845] sp : ffffffc1ecb57150
[ 28.258153] x29: ffffffc1ecb57150 x28: 0000000000000400
[ 28.263473] x27: fffffffffffffe00 x26: ffffffc1e1580ef0
[ 28.268793] x25: 0000000000000001 x24: 0000000000000000
[ 28.274112] x23: ffffffc1e1580f00 x22: ffffffc1ecb57260
[ 28.279432] x21: ffffffc1ecb572e0 x20: ffffffc1e1580ef8
[ 28.284752] x19: 000000000000000e x18: 0000007f58b839f5
[ 28.290072] x17: 0000000000000001 x16: 0000000000000000
[ 28.295392] x15: 000000000000029d x14: 00106594508a21fe
[ 28.300712] x13: 0000000000000040 x12: 0000000000000228
[ 28.306029] x11: 0000000000000000 x10: 0000000000000000
[ 28.311349] x9 : 0000000000000000 x8 : 0000000000000000
[ 28.316667] x7 : 0000000000000025 x6 : ffffffbf077f4e00
[ 28.321988] x5 : ffffffbf077f4e00 x4 : ffffffc1ecb57260
[ 28.327306] x3 : ffffffbf077f4e00 x2 : 0000000000000001
[ 28.332624] x1 : 0000000000000100 x0 : ffffffbf077f0e60
[ 28.337943]
[ 28.339431] Process ksoftirqd/0 (pid: 3, stack limit = 0xffffffc1ecb54000)
[ 28.346290] Call trace:
[ 28.348735] [] find_get_entries+0x21c/0x268
[ 28.354472] [] pagevec_lookup_entries+0x48/0x68
[ 28.360553] [] invalidate_mapping_pages+0x80/0x208
[ 28.366895] [] inode_lru_isolate+0x208/0x260
[ 28.372716] [] __list_lru_walk_one.isra.2+0x94/0x190
[ 28.379230] [] list_lru_walk_one+0x58/0x70
[ 28.384876] [] prune_icache_sb+0x48/0x68
[ 28.390351] [] super_cache_scan+0x104/0x178
[ 28.396085] [] shrink_slab.part.17+0x21c/0x4a8
[ 28.402080] [] shrink_slab+0x78/0x90
[ 28.407208] [] shrink_node+0x11c/0x2f8
[ 28.412508] [] do_try_to_free_pages+0xc8/0x330
[ 28.418501] [] try_to_free_pages+0xdc/0x268
[ 28.424234] [] __alloc_pages_nodemask+0x524/0xcc0
[ 28.430488] [] allocate_slab+0xa8/0x4e8
[ 28.435873] [] new_slab+0x48/0x88
[ 28.440739] [] ___slab_alloc.constprop.34+0x2bc/0x4a0
[ 28.447338] [] __slab_alloc.isra.27.constprop.33+0x48/0x60
[ 28.454370] [] kmem_cache_alloc_trace+0x290/0x2c8
[ 28.460635] [] add_msg_controller_list+0x44/0x1a8 [mttcan]
[ 28.467676] [] ttcan_read_rx_fifo0+0x9c/0x1a8 [mttcan]
[ 28.474370] [] 0xffffff800112ab54
[ 28.479240] [] net_rx_action+0xf4/0x358
[ 28.484629] [] __do_softirq+0x13c/0x3b0
[ 28.490018] [w:20, r:19]
[ 28.490018] [] run_ksoftirqd+0x48/0x58
[ 28.497844] [] smpboot_thread_fn+0x160/0x248
[ 28.503663] [] kthread+0xec/0xf0
[ 28.508443] [] ret_from_fork+0x10/0x30
[ 28.513748] —[ end trace e5eadf1af9e15672 ]—
[ 28.524004] Kernel panic - not syncing: Fatal exception in interrupt
[ 28.530346] SMP: stopping secondary CPUs
[ 28.534267] Kernel Offset: disabled
[ 28.537745] Memory Limit: none
[ 28.540792] trusty-log panic notifier - trusty version Built: 08:40:58 Feb 19 2021 [ 28.553859] Rebooting in 5 seconds…
we use the 32.5.1 BSP and JetPack4.5.1 filesystem.
who know the issue and can help me?
thank you very much!!