Fabian

put CERTIFICATE_UNKNOWN back

2

This alert is sent by chromium on self-signed certificates, so it probably makes sense to have a useful error message, as opposed to "TLS alert from peer: unknown 46"

Eio.Path.load doesn't work for files in /proc (which don't report their size in stat)

4

To reproduce: ```ocaml utop [1]: #require "eio_posix";; utop [2]: open Eio.Path;; utop [3]: Eio_posix.run (fun env -> Eio.Path.load (env#fs / "/proc/loadavg"));; val _5 : string = "" ```

Image: https://9p.io/plan9/download/plan9.iso.bz2 Logs: ``` [DISK] ide1.0: ATA command EXECUTE DEVICE DIAGNOSTIC (0x90): OK [ST=0x50 ER=0x0 SC=0x3 LL=0x0 LM=0x0 LH=0x8 FE=0x0] -> [ST=0x50 ER=0x1 SC=0x3 LL=0x0 LM=0x0 LH=0x8 FE=0x0] [DISK] ide1.0:...

Image: http://teythoon.cryptobitch.de/hurd/livecd/hurd-live-install-1273300101.iso.xz Screen output: ``` start iso9660fs: hd2: irq timeout: status=0x50 hd2: irq timeout: status=0x50 hd2: irq timeout: status=0x50 hd2: irq timeout: status=0x50 hd2: ATAPI reset complete hd2: irq timeout:...

Possibly required for some versions of Windows 7