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| author | Neal H. Walfield <neal@gnu.org> | 2008-12-05 14:22:27 +0100 |
|---|---|---|
| committer | Neal H. Walfield <neal@gnu.org> | 2008-12-05 14:22:27 +0100 |
| commit | 309fca6529444a2baa40cc029fe3db7db2000249 (patch) | |
| tree | be2e7492ad76eab231a571d65d079a140da44102 /hurd/debugging/translator/capturing_stdout_and_stderr.mdwn | |
| parent | 5333b0c747f4fd97f05bd6c4eeaeb10a62b439e5 (diff) | |
| parent | 64053fc344b6874499ddf82c6a97d6e9031a546d (diff) | |
Merge branch 'master' of ssh://neal@git.sv.gnu.org/srv/git/hurd/web
Diffstat (limited to 'hurd/debugging/translator/capturing_stdout_and_stderr.mdwn')
| -rw-r--r-- | hurd/debugging/translator/capturing_stdout_and_stderr.mdwn | 26 |
1 files changed, 26 insertions, 0 deletions
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.) |