linux-um archives
 help / color / mirror / Atom feed
From: Jeff Dike <jdike@addtoit.com>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org,
	user-mode-linux-devel@lists.sourceforge.net
Subject: [uml-devel] [PATCH 3/4] UML - Add a debugging message
Date: Mon, 05 Mar 2007 17:41:21 -0500	[thread overview]
Message-ID: <200703052241.l25MfLh5008435@ccure.user-mode-linux.org> (raw)

Add a debugging message in the case that mapping a stub fails.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
--
 arch/um/os-Linux/skas/process.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Index: test/arch/um/os-Linux/skas/process.c
===================================================================
--- test.orig/arch/um/os-Linux/skas/process.c	2007-03-05 15:08:18.000000000 -0500
+++ test/arch/um/os-Linux/skas/process.c	2007-03-05 16:14:56.000000000 -0500
@@ -419,9 +419,12 @@ void map_stub_pages(int fd, unsigned lon
 					  .offset  = code_offset
 	} } });
 	n = os_write_file(fd, &mmop, sizeof(mmop));
-	if(n != sizeof(mmop))
+	if(n != sizeof(mmop)){
+		printk("mmap args - addr = 0x%lx, fd = %d, offset = %llx\n",
+		       code, code_fd, (unsigned long long) code_offset);
 		panic("map_stub_pages : /proc/mm map for code failed, "
 		      "err = %d\n", -n);
+	}
 
 	if ( stack ) {
 		__u64 map_offset;


-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys-and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel

                 reply	other threads:[~2007-03-05 22:49 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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=200703052241.l25MfLh5008435@ccure.user-mode-linux.org \
    --to=jdike@addtoit.com \
    --cc=akpm@osdl.org \
    --cc=linux-kernel@vger.kernel.org \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox