Florian Obser <[email protected]> wrote:

> On 2022-09-19 22:27 +02, Hrvoje Popovski <[email protected]> wrote:
> > Hi all,
> >
> > when doing sysupgrade few minutes ago on multiple machines i'm getting
> > error in subject
> >
> > smc24# sysupgrade -s
> > Fetching from https://cdn.openbsd.org/pub/OpenBSD/snapshots/amd64/
> > SHA256.sig   100% |*************************************************|
> > 2144       00:00
> > Signature Verified
> > INSTALL.amd64 100% |************************************************|
> > 43554       00:00
> > base72.tgz   100% |*************************************************|
> > 331 MB    00:16
> > bsd          100% |*************************************************|
> > 22449 KB    00:05
> > bsd.mp       100% |*************************************************|
> > 22562 KB    00:04
> > bsd.rd       100% |*************************************************|
> > 4533 KB    00:01
> > comp72.tgz   100% |*************************************************|
> > 74598 KB    00:09
> > game72.tgz   100% |*************************************************|
> > 2745 KB    00:01
> > man72.tgz    100% |*************************************************|
> > 7610 KB    00:02
> > xbase72.tgz   29% |**************                                   |
> > 15744 KB    00:14 ETAsysupgrade: Reading from socket: Undefined error: 0
> > smc24#
> >
> 
> Is this somehow coming from the non-blocking connect diff? I can't spot
> it though...

This was reproduced with ktrace.  It was a read() on the TLS socket, returning
0, or EOF.  Thus, errno is irrelevant.  The error printing code is being
dumb by printing this as an error.  But anyways, the connection was terminated,
and ...

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