RE: Linux w/ML403 PLB TEMAC

5 messages, 4 authors, 2007-04-05 · open the first message on its own page

RE: Linux w/ML403 PLB TEMAC

From: <hidden>
Date: 2007-02-14 14:47:54

Ming/Rick,

I tried setting the speed to 1000 as below, but it did not change the
result.  I also tried Rick's new adapter.c with the same results.  Changing
the hard_temac_v3_b to hard_temac_v3_a was the change I needed.
Unfortunately, the speed of the network is much slower now.  I switched to
DMA and then changed the Linux drivers for the DMA & TEMAC v2 to v3.

I have my own program to test performance.  It seems everything is so slow
it does not every complete to give me the statistics.  My ping are also
slower.  I used to be able to ping my computer and get 0.6-0.7 ms times.
With the DMA and TEMAC v3 I am now getting 1.8 ms times.

I am now not sure if it is my build or my PPC design.  For the PPC design I
have a minimum PPC with OPB-RS232, PLB-DDR, and PLB-TEMAC.  I use all the
defaults from BSB except I check use interrupt on the RS232 and TEMAC.

Any suggestions?

Thanks,
Glenn



                                                                                                     
 (Embedded     "Ming Liu" [off-list ref]@ozlabs.org                                         
 image moved   02/12/2007 11:48 AM                                                                   
 to file:                                                                                            
 pic04169.pcx)                                                                                       
                                                                                                     
                                                                                                     


Sent by:
       linuxppc-embedded-bounces+glenn.g.hart=us.westinghouse.com@ozlabs.org


To:    Glenn.G.Hart@us.westinghouse.com
cc:    linuxppc-embedded@ozlabs.org
Subject:    RE: Linux w/ML403 PLB TEMAC

Security Level:?              Internal


Dear Glenn,
3.  The speed of the network was very poor.  I wanted to implement DMA for
the TEMAC.  I created a new PPC with BSB using DMA on the TEMAC.  Kernel
recompilied without a problem, but upon starting the kernel I got:
In fact, the old cores of TEMAC(plb_temac 2.00 & hard_temac 1.00) also
support DMA. But of course the 3.00 cores are prefered because of other
improved features.
6.  I am using busybox 1.2.1 which worked fine previously configuring the
network.  Now when I execute ifconfig I get the following problem:
[   12.228721] eth0: XTemac: Options: 0xb8f2
[   24.197749] eth0: XTemac: Not able to set the speed to 1000 (status:
0x148)
[   34.215593] eth0: XTemac: Not able to set the speed to 100 (status:
0x148)
[   44.232349] eth0: XTemac: Not able to set the speed to 10 (status:
0x148)
[   44.313727] eth0: XTemac: could not negotiate speed
[   44.372226] eth0: XTemac: Send Threshold = 16, Receive Threshold = 2
[   44.448421] eth0: XTemac: Send Wait bound = 1, Receive Wait bound = 1
# [   57.180152] eth0: XTemac: PHY Link carrier lost.
I also had such a problem before. To solve such a problem most quickly, you
can just specify a fixed speed (like 1000Mbps) in adapter.c file. In this
file, after the line of "/* Get current link speed */ (around L378) and
"phylinkspeed = (RegValue & MARVELL_88E1111_LINKSPEED_MARK)>>
MARVELL_88E1111_LINKSPEED_SHIFT;", I just add and specify the speed as
"phylinkspeed = MARVELL_88E1111_LINKSPEED_1000M;" Of course with this
method, the speed cannot be auto-negotiated any more.

Another hints: I remember that there is another post from Rick on the
updated "adapter.c" a few days ago. Maybe that could solve your problem. I
didn't try that before. So if you will try, pls let us know the result. :)

BR
Ming

_________________________________________________________________
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RE: Linux w/ML403 PLB TEMAC

From: Ming Liu <hidden>
Date: 2007-02-14 15:10:41

Hi Glenn,
I have my own program to test performance.  It seems everything is so slow
it does not every complete to give me the statistics.  My ping are also
slower.  I used to be able to ping my computer and get 0.6-0.7 ms times.
With the DMA and TEMAC v3 I am now getting 1.8 ms times.
I am also struggling with the speed issue. :) Rick is the expert and I am 
also asking him on this problem. 

For your problem, I suggest you to use a general test software like netperf 
first. Then it can bypass the problem in your own test program.

In my system, the ping speed is also slow. From board to pc is 2.1ms and 
from pc to board is 1.8ms. 
I am now not sure if it is my build or my PPC design.  For the PPC design 
I
have a minimum PPC with OPB-RS232, PLB-DDR, and PLB-TEMAC.  I use all the
defaults from BSB except I check use interrupt on the RS232 and TEMAC.
This should not be a problem because the platform is so common. 

BR
Ming

_________________________________________________________________
与联机的朋友进行交流,请使用 MSN Messenger:  http://messenger.msn.com/cn  

RE: Linux w/ML403 PLB TEMAC

From: Leonid <hidden>
Date: 2007-04-04 19:05:39

I have precisely the same problem you have described:

[    0.430515] XTemac: using FIFO direct interrupt driven mode.
[    0.437461] eth%d: XTemac: No PHY detected.  Assuming a PHY at =
address 0
[    0.445295] eth0: Xilinx TEMAC #0 at 0x02000000 mapped to 0xC3000000, =
irq=3D0
[    0.452256] eth0: XTemac id 1.0f, block id 5, type 8
[    0.458665] tun: Universal TUN/TAP device driver, 1.6
[    0.463712] tun: (C) 1999-2004 Max Krasnyansky [off-list ref]
[    0.471106] mice: PS/2 mouse device common for all mice
[    0.476339] TCP cubic registered
[    0.479615] NET: Registered protocol family 1
[    0.484032] NET: Registered protocol family 17
[    0.992599] eth0: XTemac: Options: 0xb8f2
[   12.955691] eth0: XTemac: Not able to set the speed to 1000 (status: =
0x0)
[   22.928615] eth0: XTemac: Not able to set the speed to 100 (status: =
0x0)
[   32.901449] eth0: XTemac: Not able to set the speed to 10 (status: =
0x0)
[   32.907976] eth0: XTemac: could not negotiate speed
[   33.921626] IP-Config: Complete:
[   33.924635]       device=3Deth0, addr=3D192.168.0.223, =
mask=3D255.255.255.0, gw=3D192.168.0.1,
[   33.932418]      host=3DLM200, domain=3D, nis-domain=3D(none),
[   33.937715]      bootserver=3D192.168.0.141, =
rootserver=3D192.168.0.141, rootpath=3D
[   33.946230] Looking up port of RPC 100003/2 on 192.168.0.141
[   34.916694] eth0: XTemac: PHY Link carrier lost.

My TEMAC core version is 3.00.a and low level code I'm using is working =
in u-boot without problems. I use Rick's adapter and also tried Ming's =
trick to set hardcoded speed value but with no success.

I suspect something is configured wrong - phys is not detected:

[    0.437461] eth%d: XTemac: No PHY detected.  Assuming a PHY at =
address 0

Leonid.

-----Original Message-----
From: linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org =
[mailto:linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org] On =
Behalf Of Glenn.G.Hart@us.westinghouse.com
Sent: Wednesday, February 14, 2007 6:48 AM
To: linuxppc-embedded@ozlabs.org
Subject: RE: Linux w/ML403 PLB TEMAC

Ming/Rick,

I tried setting the speed to 1000 as below, but it did not change the
result.  I also tried Rick's new adapter.c with the same results.  =
Changing
the hard_temac_v3_b to hard_temac_v3_a was the change I needed.
Unfortunately, the speed of the network is much slower now.  I switched =
to
DMA and then changed the Linux drivers for the DMA & TEMAC v2 to v3.

I have my own program to test performance.  It seems everything is so =
slow
it does not every complete to give me the statistics.  My ping are also
slower.  I used to be able to ping my computer and get 0.6-0.7 ms times.
With the DMA and TEMAC v3 I am now getting 1.8 ms times.

I am now not sure if it is my build or my PPC design.  For the PPC =
design I
have a minimum PPC with OPB-RS232, PLB-DDR, and PLB-TEMAC.  I use all =
the
defaults from BSB except I check use interrupt on the RS232 and TEMAC.

Any suggestions?

Thanks,
Glenn



                                                                         =
                           =20
 (Embedded     "Ming Liu" [off-list ref]@ozlabs.org             =
                           =20
 image moved   02/12/2007 11:48 AM                                       =
                           =20
 to file:                                                                =
                           =20
 pic04169.pcx)                                                           =
                           =20
                                                                         =
                           =20
                                                                         =
                           =20


Sent by:
       =
linuxppc-embedded-bounces+glenn.g.hart=3Dus.westinghouse.com@ozlabs.org


To:    Glenn.G.Hart@us.westinghouse.com
cc:    linuxppc-embedded@ozlabs.org
Subject:    RE: Linux w/ML403 PLB TEMAC

Security Level:?              Internal


Dear Glenn,
3.  The speed of the network was very poor.  I wanted to implement DMA =
for
the TEMAC.  I created a new PPC with BSB using DMA on the TEMAC.  =
Kernel
recompilied without a problem, but upon starting the kernel I got:
In fact, the old cores of TEMAC(plb_temac 2.00 & hard_temac 1.00) also
support DMA. But of course the 3.00 cores are prefered because of other
improved features.
6.  I am using busybox 1.2.1 which worked fine previously configuring =
the
network.  Now when I execute ifconfig I get the following problem:
[   12.228721] eth0: XTemac: Options: 0xb8f2
[   24.197749] eth0: XTemac: Not able to set the speed to 1000 (status:
0x148)
[   34.215593] eth0: XTemac: Not able to set the speed to 100 (status:
0x148)
[   44.232349] eth0: XTemac: Not able to set the speed to 10 (status:
0x148)
[   44.313727] eth0: XTemac: could not negotiate speed
[   44.372226] eth0: XTemac: Send Threshold =3D 16, Receive Threshold =
=3D 2
[   44.448421] eth0: XTemac: Send Wait bound =3D 1, Receive Wait bound =
=3D 1
# [   57.180152] eth0: XTemac: PHY Link carrier lost.
I also had such a problem before. To solve such a problem most quickly, =
you
can just specify a fixed speed (like 1000Mbps) in adapter.c file. In =
this
file, after the line of "/* Get current link speed */ (around L378) and
"phylinkspeed =3D (RegValue & MARVELL_88E1111_LINKSPEED_MARK)>>
MARVELL_88E1111_LINKSPEED_SHIFT;", I just add and specify the speed as
"phylinkspeed =3D MARVELL_88E1111_LINKSPEED_1000M;" Of course with this
method, the speed cannot be auto-negotiated any more.

Another hints: I remember that there is another post from Rick on the
updated "adapter.c" a few days ago. Maybe that could solve your problem. =
I
didn't try that before. So if you will try, pls let us know the result. =
:)

BR
Ming

_________________________________________________________________
=CF=ED=D3=C3=CA=C0=BD=E7=C9=CF=D7=EE=B4=F3=B5=C4=B5=E7=D7=D3=D3=CA=BC=FE=CF=
=B5=CD=B3=A1=AA MSN Hotmail=A1=A3  http://www.hotmail.com

_______________________________________________
Linuxppc-embedded mailing list
Linuxppc-embedded@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-embedded

RE: Linux w/ML403 PLB TEMAC

From: Leonid <hidden>
Date: 2007-04-04 22:13:35

I have investigated little bit more. Receive is working actually, but =
transmit doesn't. What can it be?

-----Original Message-----
From: linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org =
[mailto:linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org] On =
Behalf Of Leonid
Sent: Wednesday, April 04, 2007 12:06 PM
To: Glenn.G.Hart@us.westinghouse.com; linuxppc-embedded@ozlabs.org
Subject: RE: Linux w/ML403 PLB TEMAC

I have precisely the same problem you have described:

[    0.430515] XTemac: using FIFO direct interrupt driven mode.
[    0.437461] eth%d: XTemac: No PHY detected.  Assuming a PHY at =
address 0
[    0.445295] eth0: Xilinx TEMAC #0 at 0x02000000 mapped to 0xC3000000, =
irq=3D0
[    0.452256] eth0: XTemac id 1.0f, block id 5, type 8
[    0.458665] tun: Universal TUN/TAP device driver, 1.6
[    0.463712] tun: (C) 1999-2004 Max Krasnyansky [off-list ref]
[    0.471106] mice: PS/2 mouse device common for all mice
[    0.476339] TCP cubic registered
[    0.479615] NET: Registered protocol family 1
[    0.484032] NET: Registered protocol family 17
[    0.992599] eth0: XTemac: Options: 0xb8f2
[   12.955691] eth0: XTemac: Not able to set the speed to 1000 (status: =
0x0)
[   22.928615] eth0: XTemac: Not able to set the speed to 100 (status: =
0x0)
[   32.901449] eth0: XTemac: Not able to set the speed to 10 (status: =
0x0)
[   32.907976] eth0: XTemac: could not negotiate speed
[   33.921626] IP-Config: Complete:
[   33.924635]       device=3Deth0, addr=3D192.168.0.223, =
mask=3D255.255.255.0, gw=3D192.168.0.1,
[   33.932418]      host=3DLM200, domain=3D, nis-domain=3D(none),
[   33.937715]      bootserver=3D192.168.0.141, =
rootserver=3D192.168.0.141, rootpath=3D
[   33.946230] Looking up port of RPC 100003/2 on 192.168.0.141
[   34.916694] eth0: XTemac: PHY Link carrier lost.

My TEMAC core version is 3.00.a and low level code I'm using is working =
in u-boot without problems. I use Rick's adapter and also tried Ming's =
trick to set hardcoded speed value but with no success.

I suspect something is configured wrong - phys is not detected:

[    0.437461] eth%d: XTemac: No PHY detected.  Assuming a PHY at =
address 0

Leonid.

-----Original Message-----
From: linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org =
[mailto:linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org] On =
Behalf Of Glenn.G.Hart@us.westinghouse.com
Sent: Wednesday, February 14, 2007 6:48 AM
To: linuxppc-embedded@ozlabs.org
Subject: RE: Linux w/ML403 PLB TEMAC

Ming/Rick,

I tried setting the speed to 1000 as below, but it did not change the
result.  I also tried Rick's new adapter.c with the same results.  =
Changing
the hard_temac_v3_b to hard_temac_v3_a was the change I needed.
Unfortunately, the speed of the network is much slower now.  I switched =
to
DMA and then changed the Linux drivers for the DMA & TEMAC v2 to v3.

I have my own program to test performance.  It seems everything is so =
slow
it does not every complete to give me the statistics.  My ping are also
slower.  I used to be able to ping my computer and get 0.6-0.7 ms times.
With the DMA and TEMAC v3 I am now getting 1.8 ms times.

I am now not sure if it is my build or my PPC design.  For the PPC =
design I
have a minimum PPC with OPB-RS232, PLB-DDR, and PLB-TEMAC.  I use all =
the
defaults from BSB except I check use interrupt on the RS232 and TEMAC.

Any suggestions?

Thanks,
Glenn



                                                                         =
                           =20
 (Embedded     "Ming Liu" [off-list ref]@ozlabs.org             =
                           =20
 image moved   02/12/2007 11:48 AM                                       =
                           =20
 to file:                                                                =
                           =20
 pic04169.pcx)                                                           =
                           =20
                                                                         =
                           =20
                                                                         =
                           =20


Sent by:
       =
linuxppc-embedded-bounces+glenn.g.hart=3Dus.westinghouse.com@ozlabs.org


To:    Glenn.G.Hart@us.westinghouse.com
cc:    linuxppc-embedded@ozlabs.org
Subject:    RE: Linux w/ML403 PLB TEMAC

Security Level:?              Internal


Dear Glenn,
3.  The speed of the network was very poor.  I wanted to implement DMA =
for
the TEMAC.  I created a new PPC with BSB using DMA on the TEMAC.  =
Kernel
recompilied without a problem, but upon starting the kernel I got:
In fact, the old cores of TEMAC(plb_temac 2.00 & hard_temac 1.00) also
support DMA. But of course the 3.00 cores are prefered because of other
improved features.
6.  I am using busybox 1.2.1 which worked fine previously configuring =
the
network.  Now when I execute ifconfig I get the following problem:
[   12.228721] eth0: XTemac: Options: 0xb8f2
[   24.197749] eth0: XTemac: Not able to set the speed to 1000 (status:
0x148)
[   34.215593] eth0: XTemac: Not able to set the speed to 100 (status:
0x148)
[   44.232349] eth0: XTemac: Not able to set the speed to 10 (status:
0x148)
[   44.313727] eth0: XTemac: could not negotiate speed
[   44.372226] eth0: XTemac: Send Threshold =3D 16, Receive Threshold =
=3D 2
[   44.448421] eth0: XTemac: Send Wait bound =3D 1, Receive Wait bound =
=3D 1
# [   57.180152] eth0: XTemac: PHY Link carrier lost.
I also had such a problem before. To solve such a problem most quickly, =
you
can just specify a fixed speed (like 1000Mbps) in adapter.c file. In =
this
file, after the line of "/* Get current link speed */ (around L378) and
"phylinkspeed =3D (RegValue & MARVELL_88E1111_LINKSPEED_MARK)>>
MARVELL_88E1111_LINKSPEED_SHIFT;", I just add and specify the speed as
"phylinkspeed =3D MARVELL_88E1111_LINKSPEED_1000M;" Of course with this
method, the speed cannot be auto-negotiated any more.

Another hints: I remember that there is another post from Rick on the
updated "adapter.c" a few days ago. Maybe that could solve your problem. =
I
didn't try that before. So if you will try, pls let us know the result. =
:)

BR
Ming

_________________________________________________________________
=CF=ED=D3=C3=CA=C0=BD=E7=C9=CF=D7=EE=B4=F3=B5=C4=B5=E7=D7=D3=D3=CA=BC=FE=CF=
=B5=CD=B3=A1=AA MSN Hotmail=A1=A3  http://www.hotmail.com

_______________________________________________
Linuxppc-embedded mailing list
Linuxppc-embedded@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-embedded










_______________________________________________
Linuxppc-embedded mailing list
Linuxppc-embedded@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-embedded

RE: Linux w/ML403 PLB TEMAC

From: Rick Moleres <hidden>
Date: 2007-04-05 01:23:09

Leonid,

You mentioned that the TEMAC version if v3.00a.  Is this the plb_temac =
version or the hard_temac version, or both?

-Rick

-----Original Message-----
From: linuxppc-embedded-bounces+moleres=3Dxilinx.com@ozlabs.org =
[mailto:linuxppc-embedded-bounces+moleres=3Dxilinx.com@ozlabs.org] On =
Behalf Of Leonid
Sent: Wednesday, April 04, 2007 4:14 PM
To: Glenn.G.Hart@us.westinghouse.com; linuxppc-embedded@ozlabs.org
Subject: RE: Linux w/ML403 PLB TEMAC

I have investigated little bit more. Receive is working actually, but =
transmit doesn't. What can it be?

-----Original Message-----
From: linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org =
[mailto:linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org] On =
Behalf Of Leonid
Sent: Wednesday, April 04, 2007 12:06 PM
To: Glenn.G.Hart@us.westinghouse.com; linuxppc-embedded@ozlabs.org
Subject: RE: Linux w/ML403 PLB TEMAC

I have precisely the same problem you have described:

[    0.430515] XTemac: using FIFO direct interrupt driven mode.
[    0.437461] eth%d: XTemac: No PHY detected.  Assuming a PHY at =
address 0
[    0.445295] eth0: Xilinx TEMAC #0 at 0x02000000 mapped to 0xC3000000, =
irq=3D0
[    0.452256] eth0: XTemac id 1.0f, block id 5, type 8
[    0.458665] tun: Universal TUN/TAP device driver, 1.6
[    0.463712] tun: (C) 1999-2004 Max Krasnyansky [off-list ref]
[    0.471106] mice: PS/2 mouse device common for all mice
[    0.476339] TCP cubic registered
[    0.479615] NET: Registered protocol family 1
[    0.484032] NET: Registered protocol family 17
[    0.992599] eth0: XTemac: Options: 0xb8f2
[   12.955691] eth0: XTemac: Not able to set the speed to 1000 (status: =
0x0)
[   22.928615] eth0: XTemac: Not able to set the speed to 100 (status: =
0x0)
[   32.901449] eth0: XTemac: Not able to set the speed to 10 (status: =
0x0)
[   32.907976] eth0: XTemac: could not negotiate speed
[   33.921626] IP-Config: Complete:
[   33.924635]       device=3Deth0, addr=3D192.168.0.223, =
mask=3D255.255.255.0, gw=3D192.168.0.1,
[   33.932418]      host=3DLM200, domain=3D, nis-domain=3D(none),
[   33.937715]      bootserver=3D192.168.0.141, =
rootserver=3D192.168.0.141, rootpath=3D
[   33.946230] Looking up port of RPC 100003/2 on 192.168.0.141
[   34.916694] eth0: XTemac: PHY Link carrier lost.

My TEMAC core version is 3.00.a and low level code I'm using is working =
in u-boot without problems. I use Rick's adapter and also tried Ming's =
trick to set hardcoded speed value but with no success.

I suspect something is configured wrong - phys is not detected:

[    0.437461] eth%d: XTemac: No PHY detected.  Assuming a PHY at =
address 0

Leonid.

-----Original Message-----
From: linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org =
[mailto:linuxppc-embedded-bounces+leonid=3Da-k-a.net@ozlabs.org] On =
Behalf Of Glenn.G.Hart@us.westinghouse.com
Sent: Wednesday, February 14, 2007 6:48 AM
To: linuxppc-embedded@ozlabs.org
Subject: RE: Linux w/ML403 PLB TEMAC

Ming/Rick,

I tried setting the speed to 1000 as below, but it did not change the
result.  I also tried Rick's new adapter.c with the same results.  =
Changing
the hard_temac_v3_b to hard_temac_v3_a was the change I needed.
Unfortunately, the speed of the network is much slower now.  I switched =
to
DMA and then changed the Linux drivers for the DMA & TEMAC v2 to v3.

I have my own program to test performance.  It seems everything is so =
slow
it does not every complete to give me the statistics.  My ping are also
slower.  I used to be able to ping my computer and get 0.6-0.7 ms times.
With the DMA and TEMAC v3 I am now getting 1.8 ms times.

I am now not sure if it is my build or my PPC design.  For the PPC =
design I
have a minimum PPC with OPB-RS232, PLB-DDR, and PLB-TEMAC.  I use all =
the
defaults from BSB except I check use interrupt on the RS232 and TEMAC.

Any suggestions?

Thanks,
Glenn



                                                                         =
                           =20
 (Embedded     "Ming Liu" [off-list ref]@ozlabs.org             =
                           =20
 image moved   02/12/2007 11:48 AM                                       =
                           =20
 to file:                                                                =
                           =20
 pic04169.pcx)                                                           =
                           =20
                                                                         =
                           =20
                                                                         =
                           =20


Sent by:
       =
linuxppc-embedded-bounces+glenn.g.hart=3Dus.westinghouse.com@ozlabs.org


To:    Glenn.G.Hart@us.westinghouse.com
cc:    linuxppc-embedded@ozlabs.org
Subject:    RE: Linux w/ML403 PLB TEMAC

Security Level:?              Internal


Dear Glenn,
3.  The speed of the network was very poor.  I wanted to implement DMA =
for
the TEMAC.  I created a new PPC with BSB using DMA on the TEMAC.  =
Kernel
recompilied without a problem, but upon starting the kernel I got:
In fact, the old cores of TEMAC(plb_temac 2.00 & hard_temac 1.00) also
support DMA. But of course the 3.00 cores are prefered because of other
improved features.
6.  I am using busybox 1.2.1 which worked fine previously configuring =
the
network.  Now when I execute ifconfig I get the following problem:
[   12.228721] eth0: XTemac: Options: 0xb8f2
[   24.197749] eth0: XTemac: Not able to set the speed to 1000 (status:
0x148)
[   34.215593] eth0: XTemac: Not able to set the speed to 100 (status:
0x148)
[   44.232349] eth0: XTemac: Not able to set the speed to 10 (status:
0x148)
[   44.313727] eth0: XTemac: could not negotiate speed
[   44.372226] eth0: XTemac: Send Threshold =3D 16, Receive Threshold =
=3D 2
[   44.448421] eth0: XTemac: Send Wait bound =3D 1, Receive Wait bound =
=3D 1
# [   57.180152] eth0: XTemac: PHY Link carrier lost.
I also had such a problem before. To solve such a problem most quickly, =
you
can just specify a fixed speed (like 1000Mbps) in adapter.c file. In =
this
file, after the line of "/* Get current link speed */ (around L378) and
"phylinkspeed =3D (RegValue & MARVELL_88E1111_LINKSPEED_MARK)>>
MARVELL_88E1111_LINKSPEED_SHIFT;", I just add and specify the speed as
"phylinkspeed =3D MARVELL_88E1111_LINKSPEED_1000M;" Of course with this
method, the speed cannot be auto-negotiated any more.

Another hints: I remember that there is another post from Rick on the
updated "adapter.c" a few days ago. Maybe that could solve your problem. =
I
didn't try that before. So if you will try, pls let us know the result. =
:)

BR
Ming

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