Hi, * Trond Myklebust <trondmy@xxxxxxxxxxxxxxx> [700101 00:00]: > On Mon, 2019-02-25 at 22:27 +0000, Jon Hunter wrote: > > On 25/02/2019 21:03, Trond Myklebust wrote: > > This is nfsroot. I don't specify any particular NFS version from > > the kernel cmdline, but this is seen with ARM kernel configs > > tegra_defconfig and multi_v7_defconfig. > > > > Looking at the logs I am seeing the following crash which appears > > to point to UDP ... > > > > [ 8.032956] Unable to handle kernel NULL pointer dereference at > > virtual address 00000024 > > [ 8.041137] pgd = (ptrval) > > [ 8.043858] [00000024] *pgd=00000000 > > [ 8.047437] Internal error: Oops: 5 [#1] SMP ARM > > [ 8.052049] Modules linked in: > > [ 8.055104] CPU: 1 PID: 100 Comm: kworker/u9:2 Not tainted 5.0.0- > > rc7-next-20190222-g94a4752 #1 > > [ 8.063699] Hardware name: NVIDIA Tegra SoC (Flattened Device > > Tree) > > [ 8.069960] Workqueue: xprtiod xs_udp_data_receive_workfn > > [ 8.075353] PC is at udp_poll+0x30/0x64 > > [ 8.079178] LR is at udp_poll+0x10/0x64 > > Thanks! I see what the issue is now and I'll be fixing it ASAP. I'm seeing this also with NFSroot. I can test the fix when available, that is if you can please Cc me on the fix. Thanks, Tony
