From: Mugunthan V N <mugunthanvnm@ti•com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix•de>
Cc: <netdev@vger•kernel.org>
Subject: Re: cpsw fails to come up once in a while
Date: Thu, 15 Aug 2013 15:29:27 +0530 [thread overview]
Message-ID: <520CA67F.4000902@ti.com> (raw)
In-Reply-To: <20130814175439.GA13483@linutronix.de>
On Wednesday 14 August 2013 11:24 PM, Sebastian Andrzej Siewior wrote:
> Hi,
>
> So I have this test where my am335x-evm boots over NFS and once it
> completes it does it again. It works most of the time :) However once it
> like 100 attempts it does not. After the reset u-boot complains about
> ethernet timeout and linux has also no luck:
>
> | U-Boot 2013.04-00274-ga71d45d (May 27 2013 - 12:41:57)
> |
> |…
> | Net: Phy not found
> | PHY reset timed out
> | cpsw, usb_ether
> | Hit any key to stop autoboot: 1 ^H^H^H 0
> | link up on port 0, speed 1000, full duplex
> | Using cpsw device
> | TFTP from server 172.123.10.10; our IP address is 172.123.10.3
> | Filename 'am335x/zImage'.
> | Load address: 0x80200000
> | Loading: *^H#################################################################
> | #################################################################
> | #######################################
> | 509.8 KiB/s
>
> So the PHY was not found but somehow it managed to fetch the kernel over
> network and boot it. The linux driver did not want to continue:
>
> | omap_i2c 4802a000.i2c: bus 1 rev0.11 at 100 kHz
> | davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
> | davinci_mdio 4a101000.mdio: no live phy, scanning all
> | davinci_mdio: probe of 4a101000.mdio failed with error -5
> | Random MACID = 16:74:44:51:f1:0f
> | gpio-keys volume_keys.6: Unable to claim irq 0; error -22
> | gpio-keys: probe of volume_keys.6 failed with error -22
> | omap_rtc 44e3e000.rtc: setting system clock to 2000-01-01 03:22:52 UTC (946696972)
> | net eth0: initializing cpsw version 1.12 (0)
> | libphy: PHY 4a101000.mdio:00 not found
> | net eth0: phy 4a101000.mdio:00 not found on slave 0
> | libphy: PHY 4a101000.mdio:01 not found
> | net eth0: phy 4a101000.mdio:01 not found on slave 1
> | Waiting up to 110 more seconds for network.
>
> so the driver also failed to find a PHY and gave up.
> Is this something known?
>
> Sebastian
This is a unknown issue. Will arrange a setup to test this scenario and
fix the issue.
Regards
Mugunthan V N
next prev parent reply other threads:[~2013-08-15 9:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-14 17:54 cpsw fails to come up once in a while Sebastian Andrzej Siewior
2013-08-15 9:59 ` Mugunthan V N [this message]
2013-08-15 10:12 ` Sebastian Andrzej Siewior
2013-08-15 10:36 ` Mugunthan V N
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=520CA67F.4000902@ti.com \
--to=mugunthanvnm@ti$(echo .)com \
--cc=bigeasy@linutronix$(echo .)de \
--cc=netdev@vger$(echo .)kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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