From: "Michael Chan" <mchan@broadcom.com>
To: davem@davemloft.net, netdev@vger.kernel.org
Subject: [TG3 7/8]: Add some tx timeout debug messages.
Date: Tue, 13 Feb 2007 12:14:50 -0800 [thread overview]
Message-ID: <1171397690.18944.31.camel@rh4> (raw)
[TG3]: Add some tx timeout debug messages.
Print the most useful information during tx timeout to help debug.
Signed-off-by: Michael Chan <mchan@broadcom.com>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index a1aeba2..159570b 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -3735,13 +3735,23 @@ out:
tg3_full_unlock(tp);
}
+static void tg3_dump_short_state(struct tg3 *tp)
+{
+ printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
+ tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
+ printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
+ tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
+}
+
static void tg3_tx_timeout(struct net_device *dev)
{
struct tg3 *tp = netdev_priv(dev);
- if (netif_msg_tx_err(tp))
+ if (netif_msg_tx_err(tp)) {
printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
dev->name);
+ tg3_dump_short_state(tp);
+ }
schedule_work(&tp->reset_task);
}
next reply other threads:[~2007-02-13 19:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-13 20:14 Michael Chan [this message]
2007-02-13 20:19 ` [TG3 7/8]: Add some tx timeout debug messages David Miller
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=1171397690.18944.31.camel@rh4 \
--to=mchan@broadcom.com \
--cc=davem@davemloft.net \
--cc=netdev@vger.kernel.org \
/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;
as well as URLs for NNTP newsgroup(s).