From: Jon Hunter <jonathanh@xxxxxxxxxx> Date: Jul/17/2019, 19:58:53 (UTC+00:00) > I am seeing a boot regression on one of our Tegra boards with both > mainline and -next. Bisecting is pointing to this commit and reverting > this commit on top of mainline fixes the problem. Unfortunately, there > is not much of a backtrace but what I have captured is below. > > Please note that this is seen on a system that is using NFS to mount > the rootfs and the crash occurs right around the point the rootfs is > mounted. > > Let me know if you have any thoughts. > > Cheers > Jon > > [ 12.221843] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b > [ 12.229485] CPU: 5 PID: 1 Comm: init Tainted: G S 5.2.0-11500-g916f562fb28a #18 > [ 12.238076] Hardware name: NVIDIA Tegra186 P2771-0000 Development Board (DT) > [ 12.245105] Call trace: > [ 12.247548] dump_backtrace+0x0/0x150 > [ 12.251199] show_stack+0x14/0x20 > [ 12.254505] dump_stack+0x9c/0xc4 > [ 12.257809] panic+0x13c/0x32c > [ 12.260853] complete_and_exit+0x0/0x20 > [ 12.264676] do_group_exit+0x34/0x98 > [ 12.268241] get_signal+0x104/0x668 > [ 12.271718] do_notify_resume+0x2ac/0x380 > [ 12.275716] work_pending+0x8/0x10 > [ 12.279109] SMP: stopping secondary CPUs > [ 12.283025] Kernel Offset: disabled > [ 12.286502] CPU features: 0x0002,20806000 > [ 12.290499] Memory Limit: none > [ 12.293548] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]--- > > -- > nvpublic You don't have any more data ? Can you activate DMA-API debug and check if there is any more info outputted ? --- Thanks, Jose Miguel Abreu