From ad75cac5b15615e206c601ca21cc65618f357b49 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Thu, 20 Nov 2008 22:50:42 +0100 Subject: About capturing a translator's stdout and stderr. --- .../translator/capturing_stdout_and_stderr.mdwn | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 hurd/debugging/translator/capturing_stdout_and_stderr.mdwn (limited to 'hurd/debugging/translator/capturing_stdout_and_stderr.mdwn') diff --git a/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn b/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn new file mode 100644 index 00000000..8430287a --- /dev/null +++ b/hurd/debugging/translator/capturing_stdout_and_stderr.mdwn @@ -0,0 +1,26 @@ +[[meta copyright="Copyright © 2008 Free Software Foundation, Inc."]] + +[[meta license="""[[toggle id="license" text="GFDL 1.2+"]][[toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled +[[GNU_Free_Documentation_License|/fdl]]."]]"""]] + +Sometimes it may already be helpful to capture a translator's `stdout` and +`stderr`, for example like this: + + $ sudo settrans -fgap ↩ + /servers/socket/2 ↩ + /bin/sh -c '/hurd/pfinet -i eth0 -a [...] > /tmp/stdout 2> /tmp/stderr' + $ [...] + $ cat /tmp/stdout + NET4: Linux TCP/IP 1.0 for NET4.0 + IP Protocols: ICMP, UDP, TCP + TCP: Hash tables configured (ehash 65536 bhash 65536) + $ cat /tmp/stderr + pfinet: ../../hurd.work/pfinet/ethernet.c:196: ethernet_xmit: Unexpected error: (os/device) invalid IO size. + +(Trying to run [[GDB]] in this case was of no help -- due to a bug in GDB +(supposedly) it wouldn't catch the fault.) -- cgit v1.2.3