Re: Problems with dhcpcd

[Roy Marples <roy%marples.name@localhost>]

 ---- On Sun, 08 Oct 2023 21:58:54 +0100  Lloyd Parkes  wrote --- 
 > 
 > 
 > On 8/10/23 15:30, Lloyd Parkes wrote:
 > I found the problem. The syslog function in /libexec/dhcpcd-run-hooks 
 > tries to echo text to stdout/stderr and the shell script gets killed 
 > with SIGPIPE when it's being run in the background.
 > 
 > Commenting out the lines
 > 
 >          case "$lvl" in
 >          err|error)      echo "$interface: $*" >&2;;
 >          *)              echo "$interface: $*";;
 >          esac
 > 
 > allows the script to run correctly.
 > 
 > Adding the command 'trap "" PIPE' to /libexec/dhcpcd-run-hooks is 
 > another way that allows the script to run correctly.

That's interesting. So I'm looking at two bugs here then
1) Why is SIGPIPE being raised in the first place
2) Why is it not being captured as an error and logged by dhcpcd.

As best I can tell, even forcing stdout and stderr to /dev/null doesn't help here.
What else could this be?

Roy