[PATCH 1/1] um: fix error return code in winch_tramp()

[Nathan Chancellor]

On Fri, May 20, 2022 at 08:08:01AM +0200, Thorsten Leemhuis wrote:
> On 11.04.22 20:45, Richard Weinberger wrote:
> > ----- Ursprüngliche Mail -----
> >> Von: "Nathan Chancellor" <nathan at kernel.org>
> >> I attempted to print out the error code but it seems like there is no
> >> output in the console after "reboot: System halted". If I add an
> >> unconditional print right before the call to os_set_fd_block(), I see it
> >> during start up but I do not see it during shutdown. Is there some way
> >> to see that console output during shutdown?
> > 
> > I think in this case the easiest way is attaching gdb with a breakpoint.
> 
> I noticed this in my list of open regressions. It seems there wasn't any
> progress to get this regression fixed (please let me know in case I
> missed something), but I guess nobody considered it urgent which is
> likely not that much of a problem in this case.

Yes, sorry, I tried to get gdb to reveal something but I couldn't get it
to work then I had to move onto other work. We have worked around this
for the time being but it would still be nice to figure out what is
going on here; I am just not sure when I am going to have time to
participate in that process.

Cheers,
Nathan