Random reboots on ODROID-N2+

Andrew Lunn andrew at lunn.ch
Mon May 17 18:33:32 PDT 2021


On Mon, May 17, 2021 at 11:14:18AM +0200, Stefan Agner wrote:
> Hi,
> 
> We are currently testing a new release using Linux 5.10.33. I've
> received since several reports of random reboots every couple of days.
> Unfortunately the log (journald) doesn't show anything, just a hard cut
> at some point.
> 
> After running serial console on several instances, I was able to catch
> this stack trace:
> 
> [202983.988153] SError Interrupt on CPU3, code 0xbf000000 -- SError
> [202983.988155] CPU: 3 PID: 3463 Comm: mdns-repeater Not tainted 5.10.33
> #1
> [202983.988156] Hardware name: Hardkernel ODROID-N2Plus (DT)
> [202983.988157] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)
> [202983.988158] pc : udp_send_skb.isra.0+0x178/0x390
> [202983.988159] lr : udp_send_skb.isra.0+0x130/0x390

Hi Stefan

Could you generate net/ipv4/udp.lst so we can see what
udp_send_skb.isra.0+0x178/0x390 is trying to do, and what bit of C
code it maps to.

     Andrew



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