lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
 
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:	Tue, 14 Jun 2011 09:50:13 -0700
From:	greearb@...delatech.com
To:	netdev@...r.kernel.org
Cc:	Ben Greear <greearb@...delatech.com>
Subject: [PATCH] net:  Ensure tx watchdog failures always print.

From: Ben Greear <greearb@...delatech.com>

These are too important to not have some log message
generated.  But, keep the logic that only prints
a single stack dump.

Signed-off-by: Ben Greear <greearb@...delatech.com>
---
:100644 100644 90939ba... fce5558... M	net/sched/sch_generic.c
 net/sched/sch_generic.c |   16 ++++++++++++++--
 1 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 90939ba..fce5558 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -252,8 +252,20 @@ static void dev_watchdog(unsigned long arg)
 
 			if (some_queue_timedout) {
 				char drivername[64];
-				WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit queue %u timed out\n",
-				       dev->name, netdev_drivername(dev, drivername, 64), i);
+				static bool do_once = true;
+				printk(KERN_INFO "NETDEV WATCHDOG: %s (%s):"
+				       " transmit queue %u timed out,"
+				       " trans_start: %lu, wd-timeout: %i"
+				       " jiffies: %lu tx-queues: %i\n",
+				       dev->name,
+				       netdev_drivername(dev, drivername, 64),
+				       i,
+				       trans_start, dev->watchdog_timeo,
+				       jiffies, dev->num_tx_queues);
+				if (do_once) {
+					do_once = false;
+					WARN_ON(1);
+				}
 				dev->netdev_ops->ndo_tx_timeout(dev);
 			}
 			if (!mod_timer(&dev->watchdog_timer,
-- 
1.7.3.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists