From: Jeff Dike <jdike@addtoit.com>
To: "Christopher S. Aker" <caker@theshore.net>
Cc: uml-devel <user-mode-linux-devel@lists.sourceforge.net>
Subject: Re: [uml-devel] Kernel panic: handle_trap - failed to wait at end of syscall, errno = 4, status = 1151
Date: Sat, 19 Jun 2004 13:39:52 -0400 [thread overview]
Message-ID: <20040619173952.GA7740@ccure.user-mode-linux.org> (raw)
In-Reply-To: <000f01c45593$35c20e00$0201a8c0@hawk>
On Fri, Jun 18, 2004 at 07:19:57PM -0500, Christopher S. Aker wrote:
> Kernel panic: handle_trap - failed to wait at end of syscall, errno = 4, status =
> 1151
>
> err = waitpid(pid, &status, WUNTRACED);
> if((err < 0) || !WIFSTOPPED(status) || (WSTOPSIG(status) != SIGTRAP))
> panic("handle_trap - failed to wait at end of syscall, "
> "errno = %d, status = %d\n", errno, status);
Easy diagnosis - errno 4 is EINTR, this wasn't checking for that and redoing
the wait.
I've been adding EINTR safety in a bit at a time, just hadn't noticed this
yet.
Jeff
-------------------------------------------------------
This SF.Net email is sponsored by The 2004 JavaOne(SM) Conference
Learn from the experts at JavaOne(SM), Sun's Worldwide Java Developer
Conference, June 28 - July 1 at the Moscone Center in San Francisco, CA
REGISTER AND SAVE! http://java.sun.com/javaone/sf Priority Code NWMGYKND
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
next prev parent reply other threads:[~2004-06-19 16:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-19 0:19 [uml-devel] Kernel panic: handle_trap - failed to wait at end of syscall, errno = 4, status = 1151 Christopher S. Aker
2004-06-19 17:39 ` Jeff Dike [this message]
2004-06-22 13:18 ` Joe Marzot
2004-06-22 15:43 ` Jeff Dike
2004-06-23 18:09 ` [PATCH] The fix for: Re: [uml-devel] Kernel panic: handle_trap - failed to wait at end of syscall, BlaisorBlade
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040619173952.GA7740@ccure.user-mode-linux.org \
--to=jdike@addtoit.com \
--cc=caker@theshore.net \
--cc=user-mode-linux-devel@lists.sourceforge.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.