[stgt] tgtd segfault during heavy I/O

[FUJITA Tomonori]

On Wed, 20 Jul 2011 19:08:59 +0800
Kiefer Chang <zapchang at gmail.com> wrote:

> Here is the result, unfortunately neither the core dump or directly
> attaching gdb to tgtd can't show right code trace.
> system log:
> http://dl.dropbox.com/u/8354750/tgtd/20110720/messages.gz

Thanks, I'm rewriting tmf code. Please wait for a while.

Can you try the following patch? I want to see if tgtd can survive
with tmf disabled.

Thanks!

=
From: FUJITA Tomonori <fujita.tomonori at lab.ntt.co.jp>
Subject: [PATCH] iscsi: disable tmf

Signed-off-by: FUJITA Tomonori <fujita.tomonori at lab.ntt.co.jp>
---
 usr/iscsi/iscsid.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/usr/iscsi/iscsid.c b/usr/iscsi/iscsid.c
index 3fbd9f6..d575e18 100644
--- a/usr/iscsi/iscsid.c
+++ b/usr/iscsi/iscsid.c
@@ -1405,6 +1405,9 @@ static int iscsi_tm_execute(struct iscsi_task *task)
 	struct iscsi_tm *req = (struct iscsi_tm *) &task->req;
 	int fn = 0, err = 0;
 
+	err = ISCSI_TMF_RSP_NOT_SUPPORTED;
+	goto out;
+
 	switch (req->flags & ISCSI_FLAG_TM_FUNC_MASK) {
 	case ISCSI_TM_FUNC_ABORT_TASK:
 		fn = ABORT_TASK;
@@ -1432,7 +1435,7 @@ static int iscsi_tm_execute(struct iscsi_task *task)
 		eprintf("unknown task management function %d\n",
 			req->flags & ISCSI_FLAG_TM_FUNC_MASK);
 	}
-
+out:
 	if (err)
 		task->result = err;
 	else {
-- 
1.7.2.5



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