On Wed, 3 Feb 2021 11:55:25 +0000 Tj (Elloe Linux) wrote: > On a recent build (5.10.0) we've seen several hard-to-pinpoint complete > lock-ups requiring power-off restarts. > > Today we found a small clue in the kernel log but unfortunately the > complete backtrace wasn't captured (presumably system froze before log > could be flushed) but I thought I should share it for investigation. > > kernel BUG at net/core/skbuff.c:109! > > kernel: skbuff: skb_under_panic: text:ffffffffc103c622 len:1228 put:48
text:ffffffffc103c622 That's a return address, IOW address of the caller, if I'm reading the code right. Any chance you could decode that? ./scripts/decode_stack_trace is your friend. > head:ffffa00202858000 data:ffffa00202857ff2 tail:0x4be end:0x6c0 dev:wlp4s0 dev:wlp4s0 Can you tell us what driver drives this device? > kernel: ------------[ cut here ]------------ > kernel: kernel BUG at net/core/skbuff.c:109!
