New boot attempts on a MVME2431

New boot attempts on a MVME2431

[Simone Piccardi]

Hi,

I'm still trying to boot LinucPPC on this board. Thanks to new kernel
images provided by G. Paubert in his site I could obtain some new
results (not a success but at least this time the boot is going a bit
further).

The board has no drive, so I tried two versions of the kernel image: the
initrd and the nfsroot, (this last try was to see if something different
happens, becauase I do not have a NFS root tree for the PPC).

When I boot the zImage.initrd-2.2.4 kernel I get these messages:

------ CLIP HERE ------

Network Booting from: DEC21143, Controller 0, Device 0
Device Name: /pci@80000000/pci1011,19@e,0:0,0
Loading: zimage

Client IP Address      = 192.84.146.131
Server IP Address      = 192.84.146.24
Gateway IP Address     = 0.0.0.0
Subnet IP Address Mask = 255.255.255.0
Boot File Name         = zimage
Argument File Name     =

Network Boot File load in progress... To abort hit <BREAK>

Bytes Received =&1387916, Bytes Loaded =&1387916
Bytes/Second   =&346979, Elapsed Time =4 Second(s)

Residual-Data Located at: $01F78000

Model:                            (e2)
Serial: MOT0359E66
Processor/Bus frequencies (Hz): 350006560/100001144
Time Base Divisor: 4000
Original MSR: 3040
Original HID0: 80a4
Original R31: 0

PCI: Probing PCI hardware

Linux/PPC load: console=ttyS0

Uncompressing the kernel...Kernel at 0x00000000, size=0x158ae4
Initrd at 0x00231000, size=0xb93a7
Residual data at 0x00159000
Command line at 0x00160000
done
Now booting...
PReP architecture
Total memory = 32MB; using 128kB for hash table (at c0160000)
Linux version 2.2.4 (root@vcorr1) (gcc version egcs-2.91.66 19990314
(egcs-1.1.2
 release)) #32 Fri Apr 16 15:02:16 WET DST 1999
OpenPIC found at d1000000.
Boot arguments: console=ttyS0
OpenPIC Version ? (2 CPUs and 17 IRQ sources) at d1000000
OpenPIC timer frequency is 12500243 Hz
time_init: decrementer frequency = 998700000/60 (15MHz)
Calibrating delay loop... 465.31 BogoMIPS
Memory: 30184k available (896k kernel code, 856k data, 88k init)
[c0000000,c2000
000]
POSIX conformance testing by UNIFIX
PCI: Probing PCI hardware
Setting bridge 0
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Unix domain sockets 1.0 for Linux NET4.0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
Starting kswapd v 1.5

------ END CLIP ------

and here it freeze and I have t reset the board.

My questions are: 
I have to give some parameter at the boot prompt?
And the ram disk image that the README said to be inside the file
initrd.gz 
is still inside the kernel image or it must be loade from this file?

It seems quite strange to me also the message:
OpenPIC Version ? (2 CPUs and 17 IRQ sources) at d1000000
Why 2 CPU?


The results of the zImage.nfsroot boot was obiuvsly different:

------ CLIP HERE ------

PPC4-Bug>nbo
Network Booting from: DEC21143, Controller 0, Device 0
Device Name: /pci@80000000/pci1011,19@e,0:0,0
Loading: zimage

Client IP Address      = 192.84.146.131
Server IP Address      = 192.84.146.24
Gateway IP Address     = 0.0.0.0
Subnet IP Address Mask = 255.255.255.0
Boot File Name         = zimage
Argument File Name     =

Network Boot File load in progress... To abort hit <BREAK>

Bytes Received =&469612, Bytes Loaded =&469612
Bytes/Second   =&234806, Elapsed Time =2 Second(s)

Residual-Data Located at: $01F78000

Model:                            (e2)
Serial: MOT0359E66
Processor/Bus frequencies (Hz): 350002752/99999904
Time Base Divisor: 4000
Original MSR: 3040
Original HID0: 80a4
Original R31: 0

PCI: Probing PCI hardware

Linux/PPC load: console=ttyS0 root=/dev/nfs

Uncompressing the kernel...Kernel at 0x00000000, size=0x1006a4
Initrd at 0x00000000, size=0x0
Residual data at 0x00101000
Command line at 0x00108000
done
Now booting...
PReP architecture
Total memory = 32MB; using 128kB for hash table (at c0120000)
Linux version 2.2.4 (root@vcorr1) (gcc version egcs-2.91.66 19990314
(egcs-1.1.2
 release)) #33 Fri Apr 16 15:20:21 WET DST 1999
OpenPIC found at d1000000.
Boot arguments: console=ttyS0 root=/dev/nfs
OpenPIC Version ? (2 CPUs and 17 IRQ sources) at d1000000
OpenPIC timer frequency is 12500243 Hz
time_init: decrementer frequency = 998700000/60 (15MHz)
Calibrating delay loop... 465.31 BogoMIPS
Memory: 31280k available (652k kernel code, 776k data, 60k init)
[c0000000,c2000
000]
POSIX conformance testing by UNIFIX
PCI: Probing PCI hardware
Setting bridge 0
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
Starting kswapd v 1.5
Serial driver version 4.27 with no serial options enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
pty: 256 Unix98 ptys configured
eth0: DC21143 at 0x11100 (PCI bus 0, device 14), h/w address
08:00:3e:28:28:00,
      and requires IRQ18 (provided by PCI BIOS).
de4x5.c:V0.543 1998/12/30 davies@maniac.ultranet.com
NIP: C000FDE0 XER: 00000000 LR: C000FDC4 REGS: c0197ce0 TRAP: 0300
MSR: 00001032 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 11
TASK = c0196000[1] 'swapper' mm->pgd c00ba000 Last syscall: 120
last math 00000000
GPR00: 00001032 C0197DD0 C0196000 00000001 00008000 00000000 00038C98
00000001
GPR08: 00000001 00007800 80000000 000001E0 0000001F 01F720A0 00000000
00000000
GPR16: 00000000 00000000 20000002 00000000 00000000 E0001FFE 00000000
00000000
GPR24: 00000000 00000000 C00E0000 000000FA 00000000 00009032 C011F76C
C0197DD0
Call backtrace:
00000000 C009BFD4 C0095C38 C00945AC C00942E4 C0056300 C0057368
C00D5608 C00D6300 C00D4DE4 C00D678C C00CB714 C0004044 C000870C
Instruction DUMP: 2c090000  912b0000  41820008 <91690004> 3b800001 
48000008  3b
800000  73aa8000  38000000
Kernel panic: kernel access of bad area pc c000fde0 lr c000fdc4 address
7804 tsk
 swapper/1

------ END CLIP ------

My question are: 
Is the way I gave the boot parameter (root=/dev/nfs) right? 
I exported an empty /home/ppc directory on the same PC that I used as 
tftp server, but how the board can recognize just this directory? And 
what files I have to put in this directory?

Many thanks to everybody for the help!

Ciao

-- 
Simone Piccardi
Microsoft is NOT the answer. Microsoft is the Question.
The answer is: "NO!"

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Re: New boot attempts on a MVME2431

[Matt Porter]

On Mon, 19 Apr 1999, Simone Piccardi wrote:

> I'm still trying to boot LinucPPC on this board. Thanks to new kernel
> images provided by G. Paubert in his site I could obtain some new
> results (not a success but at least this time the boot is going a bit
> further).
> 
> The board has no drive, so I tried two versions of the kernel image: the
> initrd and the nfsroot, (this last try was to see if something different
> happens, becauase I do not have a NFS root tree for the PPC).
> 
<initrd boot deleted> 
> ------ END CLIP ------
> 
> and here it freeze and I have t reset the board.

Can't comment on this one, not using the same code base here.

> The results of the zImage.nfsroot boot was obiuvsly different:
> 
> ------ CLIP HERE ------
> 
> 08:00:3e:28:28:00,
>       and requires IRQ18 (provided by PCI BIOS).
> de4x5.c:V0.543 1998/12/30 davies@maniac.ultranet.com
> NIP: C000FDE0 XER: 00000000 LR: C000FDC4 REGS: c0197ce0 TRAP: 0300
> MSR: 00001032 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 11
> TASK = c0196000[1] 'swapper' mm->pgd c00ba000 Last syscall: 120
> last math 00000000
> GPR00: 00001032 C0197DD0 C0196000 00000001 00008000 00000000 00038C98
> 00000001
> GPR08: 00000001 00007800 80000000 000001E0 0000001F 01F720A0 00000000
> 00000000
> GPR16: 00000000 00000000 20000002 00000000 00000000 E0001FFE 00000000
> 00000000
> GPR24: 00000000 00000000 C00E0000 000000FA 00000000 00009032 C011F76C
> C0197DD0
> Call backtrace:
> 00000000 C009BFD4 C0095C38 C00945AC C00942E4 C0056300 C0057368
> C00D5608 C00D6300 C00D4DE4 C00D678C C00CB714 C0004044 C000870C
> Instruction DUMP: 2c090000  912b0000  41820008 <91690004> 3b800001 
> 48000008  3b
> 800000  73aa8000  38000000
> Kernel panic: kernel access of bad area pc c000fde0 lr c000fdc4 address
> 7804 tsk
>  swapper/1

Apply the following patch:

diff -ud linux-2.1-bak/drivers/net/de4x5.c linux-2.1/drivers/net/de4x5.c
--- linux-2.1-bak/drivers/net/de4x5.c	Tue Jan  5 09:37:38 1999
+++ linux-2.1/drivers/net/de4x5.c	Mon Mar  8 02:30:23 1999
@@ -4794,6 +4794,7 @@
     if (lp->state == INITIALISED) {
         lp->ibn = 3;
         lp->active = *p++;
+	if (MOTO_SROM_BUG) lp->active = 0;
 	lp->phy[lp->active].gep = (*p ? p : 0); p += (2 * (*p) + 1);
 	lp->phy[lp->active].rst = (*p ? p : 0); p += (2 * (*p) + 1);
 	lp->phy[lp->active].mc  = TWIDDLE(p); p += 2;
@@ -4805,6 +4806,7 @@
     } else if ((lp->media == INIT) && (lp->timeout < 0)) {
         lp->ibn = 3;
 	lp->active = *p;
+	if (MOTO_SROM_BUG) lp->active = 0;
 	lp->infoblock_csr6 = OMR_MII_100;
 	lp->useMII = TRUE;
 	lp->infoblock_media = ANS;
diff -ud linux-2.1-bak/drivers/net/de4x5.h linux-2.1/drivers/net/de4x5.h
--- linux-2.1-bak/drivers/net/de4x5.h	Tue Jan  5 09:37:40 1999
+++ linux-2.1/drivers/net/de4x5.h	Mon Mar  8 02:30:43 1999
@@ -599,6 +599,11 @@
 #define BLOCK0_MC      0x3f        /* Media Code */
 
 /*
+** SROM fixup
+*/
+#define MOTO_SROM_BUG	((lp->active == 8) &&
((le32_to_cpu(get_unaligned((u32 *)dev->dev_addr))&0x00ffffff)==0x3e0008))
+
+/*
 ** DC21040 Full Duplex Register (DE4X5_FDR)
 */
 #define FDR_FDACV  0x0000ffff      /* Full Duplex Auto Configuration
Value */

> My question are: 
> Is the way I gave the boot parameter (root=/dev/nfs) right? 
> I exported an empty /home/ppc directory on the same PC that I used as 
> tftp server, but how the board can recognize just this directory? And 
> what files I have to put in this directory?

You need a rarp or bootp server set up on the machine so that it will
provide your board config info after it gets past the SROM bug in the
driver.  You can build a quick base system by grabbing the Debian "potato"
base tarball at
ftp://ftp.debian/org/pub/debian/dists/potato/main/disks-powerpc/2.1.8-1999-02-24/base2_2.tgz
Untar it into your nfsroot directory, remove the unconfigure.sh script
from /sbin (I believe), modify inittab to boot into single user mode, and
reboot your system.  You may also want to set up the sysvinit link in the
rcS.d runlevel directory so that the nfsroot dir is remounted rw.

--
Matt Porter
mmporter@home.com
This is Linux Country. On a quiet night, you can hear Windows reboot.


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Re: New boot attempts on a MVME2431

[Gabriel Paubert]

On Mon, 19 Apr 1999, Simone Piccardi wrote:

> 
> Hi,
> 
> I'm still trying to boot LinucPPC on this board. Thanks to new kernel
> images provided by G. Paubert in his site I could obtain some new
> results (not a success but at least this time the boot is going a bit
> further).


Ok, what does the SROM command under PPCBug return. There is a bug in the
setup of these.

You have to type SROM, answer Y to the first question and list all the
values until the the address 0x80. Then around address 0x20, there is
probably a byte which is 0x08 and should be 0x00, but I can't tell you the
exact address without the dump.

> It seems quite strange to me also the message:
> OpenPIC Version ? (2 CPUs and 17 IRQ sources) at d1000000
> Why 2 CPU?

Because the OpenPIC in the Raven and Hawk support up to 2 CPUs. This does
not mean that they are installed however...

> time_init: decrementer frequency = 998700000/60 (15MHz)

This is strange, it should be 25 MHz. I have got timing problems on my
board too... Going to investigate since it seems constant when it should
not.


> My question are: 
> Is the way I gave the boot parameter (root=/dev/nfs) right? 
> I exported an empty /home/ppc directory on the same PC that I used as 
> tftp server, but how the board can recognize just this directory? And 
> what files I have to put in this directory?

You have to setup you /etc/bootptab entries and /etc/exports. Don't forget 
to set the export as no_root_squash.

	Gabriel.


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A still not working, but cross-compiled kernel

[Simone Piccardi]

Hi,

Thanks to all your suggestion and help I finally get out from the kernel
cross-compilation; I obtained a zImage file that boot in the same manner
of the Gabriel Paubert images (i.e. still crash on the ethernet deriver,
but in the same way), so at least I can be confident that the
cross-compilation procedure is going right.

Next problem is to get the ethernet working: I tries to change the
ethernet setting as suggested; the output of the SROM command is this:

PPC4-Bug>srom

Device Address =$00007000 (N/Y)? y
Reading SROM into Local Buffer.....
$00 (&000) 0000?
$02 (&002) 0000?
$04 (&004) 0000?
$06 (&006) 0000?
$08 (&008) 0000?
$0A (&010) 0000?
$0C (&012) 0000?
$0E (&014) 0000?
$10 (&016) AF00?
$12 (&018) 0301?
$14 (&020) 0800?
$16 (&022) 3E28?
$18 (&024) 2800?
$1A (&026) 0E1E?
$1C (&028) 0000?
$1E (&030) 0008?	<---- Is this one?
$20 (&032) 0193?
$22 (&034) 0308?
$24 (&036) 0003?
$26 (&038) 0108?
$28 (&040) 0000?
$2A (&042) 0100?
$2C (&044) 0078?
$2E (&046) E001?
$30 (&048) 0050?
$32 (&050) 0018?
$34 (&052) 0000?
$36 (&054) 0000?
$38 (&056) 0000?
$3A (&058) 0000?
$3C (&060) 0000?
$3E (&062) 0000?
$40 (&064) 0000?
$42 (&066) 0000?
$44 (&068) 0000?
$46 (&070) 0000?
$48 (&072) 0000?
$4A (&074) 0000?
$4C (&076) 0000?
$4E (&078) 0000?
$50 (&080) 0000?
$52 (&082) 0000?
$54 (&084) 0000?
$56 (&086) 0000?
$58 (&088) 0000?
$5A (&090) 0000?
$5C (&092) 0000?
$5E (&094) 0000?
$60 (&096) 0000?
$62 (&098) 0000?
$64 (&100) 0000?
$66 (&102) 0000?
$68 (&104) 0000?
$6A (&106) 0000?
$6C (&108) 0000?
$6E (&110) 0000?
$70 (&112) 0000?
$72 (&114) 0000?
$74 (&116) 0000?
$76 (&118) 0000?
$78 (&120) 0000?
$7A (&122) 0000?
$7C (&124) 0000?
$7E (&126) ADFF?

I tried to put on 1E location (that one marked above) the value 0 but
the results were the same of before the changes, the kernel crash:

Linux/PPC load: console=ttyS0 root=/dev/nfs

Uncompressing the kernel...Kernel at 0x00000000, size=0x1026a4
Initrd at 0x00000000, size=0x0
Residual data at 0x00103000
Command line at 0x0010a000
done
Now booting...
PReP architecture
Total memory = 32MB; using 128kB for hash table (at c0120000)
Linux version 2.2.6 (root@vcorr1) (gcc version egcs-2.91.66 19990314
(egcs-1.1.2
 release)) #11 Wed Apr 21 19:06:28 WET DST 1999
OpenPIC found at d1000000.
Boot arguments: console=ttyS0 root=/dev/nfs
OpenPIC Version ? (2 CPUs and 17 IRQ sources) at d1000000
OpenPIC timer frequency is 12500088 Hz
time_init: decrementer frequency = 998700000/60 (15MHz)
Calibrating delay loop... 465.31 BogoMIPS
Memory: 31272k available (652k kernel code, 784k data, 60k init)
[c0000000,c2000
000]
POSIX conformance testing by UNIFIX
PCI: Probing PCI hardware
Setting bridge 0
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
Starting kswapd v 1.5
Serial driver version 4.27 with no serial options enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
pty: 256 Unix98 ptys configured
eth0: DC21143 at 0x11100 (PCI bus 0, device 14), h/w address
08:00:3e:28:28:00,
      and requires IRQ18 (provided by PCI BIOS).
de4x5.c:V0.543 1998/12/30 davies@maniac.ultranet.com
NIP: C000FDF4 XER: 00000000 LR: C000FDD8 REGS: c0141ce0 TRAP: 0300
MSR: 00001032 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 11
TASK = c0140000[1] 'swapper' mm->pgd c00ba000 Last syscall: 120
last math 00000000
GPR00: 00001032 C0141DD0 C0140000 00000001 00008000 00000000 00038C98
00000001
GPR08: 00000001 00007800 80000000 000001E0 0000001F 01F72040 00000000
00000000
GPR16: 00000000 00000000 20000002 00000000 00000000 E0001FFE 00000000
00000000
GPR24: 00000000 00000000 C00E0000 000000FA 00000000 00009032 C011D76C
C0141DD0
Call backtrace:
00000000 C009C1B8 C0095E1C C0094790 C00944C8 C005647C C00574E4
C00D560C C00D6304 C00D4DE8 C00D6790 C00CB714 C0004044 C0008720
Instruction DUMP: 2c090000  912b0000  41820008 <91690004> 3b800001 
48000008  3b
800000  73aa8000  38000000
Kernel panic: kernel access of bad area pc c000fdf4 lr c000fdd8 address
7804 tsk
 swapper/1

I tried also to apply the Matt Porter patch for dec21143 to my kernel
tree, but it didn't work (probably because it's based on kernel 2.2.5
and I'm using a 2.2.6 patched kernel). 

Still I'm working on setting up the bootp server and to build the root
tree, but I don't think that this can cause the crash of the system.

Many thanks to everybody. 

Bye

-- 
Simone Piccardi
Microsoft is NOT the answer. Microsoft is the Question.
The answer is: "NO!"

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Re: A still not working, but cross-compiled kernel

[Gabriel Paubert]

On Fri, 23 Apr 1999, Simone Piccardi wrote:

> Hi,
> 
> Thanks to all your suggestion and help I finally get out from the kernel
> cross-compilation; I obtained a zImage file that boot in the same manner
> of the Gabriel Paubert images (i.e. still crash on the ethernet deriver,
> but in the same way), so at least I can be confident that the
> cross-compilation procedure is going right.
> 
> Next problem is to get the ethernet working: I tries to change the
> ethernet setting as suggested; the output of the SROM command is this:
> 
> PPC4-Bug>srom
> 
> Device Address =$00007000 (N/Y)? y
> Reading SROM into Local Buffer.....
> $00 (&000) 0000?
> $02 (&002) 0000?
> $04 (&004) 0000?
> $06 (&006) 0000?
> $08 (&008) 0000?
> $0A (&010) 0000?
> $0C (&012) 0000?
> $0E (&014) 0000?
> $10 (&016) AF00?
> $12 (&018) 0301?
> $14 (&020) 0800?
> $16 (&022) 3E28?
> $18 (&024) 2800?
> $1A (&026) 0E1E?
> $1C (&028) 0000?
> $1E (&030) 0008?	<---- Is this one?

No. 

> $20 (&032) 0193?
> $22 (&034) 0308?
               ^^ 
               That one.

> $24 (&036) 0003?
> $26 (&038) 0108?
> $28 (&040) 0000?
> $2A (&042) 0100?
> $2C (&044) 0078?
> $2E (&046) E001?
> $30 (&048) 0050?
> $32 (&050) 0018?


The rest looks ok. 

> I tried to put on 1E location (that one marked above) the value 0 but
> the results were the same of before the changes, the kernel crash:

No that one means autonegotiation of link parameters.

> I tried also to apply the Matt Porter patch for dec21143 to my kernel
> tree, but it didn't work (probably because it's based on kernel 2.2.5
> and I'm using a 2.2.6 patched kernel). 
> 
> Still I'm working on setting up the bootp server and to build the root
> tree, but I don't think that this can cause the crash of the system.

No. I can help you wit this too. And I hope we'll soon be wroking on the
VME side of the board once all these problems are solved.

	Regards,
	Gabriel.


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Re: A still not working, but cross-compiled kernel

[Matt Porter]

On Fri, 23 Apr 1999, Simone Piccardi wrote:
> Next problem is to get the ethernet working: I tries to change the
> ethernet setting as suggested; the output of the SROM command is this:
> 
> PPC4-Bug>srom
> 
> Device Address =$00007000 (N/Y)? y
> Reading SROM into Local Buffer.....
> $00 (&000) 0000?
> $02 (&002) 0000?
> $04 (&004) 0000?
> $06 (&006) 0000?
> $08 (&008) 0000?
> $0A (&010) 0000?
> $0C (&012) 0000?
> $0E (&014) 0000?
> $10 (&016) AF00?
> $12 (&018) 0301?
> $14 (&020) 0800?
> $16 (&022) 3E28?
> $18 (&024) 2800?
> $1A (&026) 0E1E?
> $1C (&028) 0000?
> $1E (&030) 0008?	<---- Is this one?

Nope, that's the conntion type location 0x800 is AutoSense...don't change
that.

> $20 (&032) 0193?
> $22 (&034) 0308?

Use $22 (&034) 0300
This octet indicates PHY index and must start at zero.

> $24 (&036) 0003?
> $26 (&038) 0108?
> $28 (&040) 0000?
> $2A (&042) 0100?
> $2C (&044) 0078?
> $2E (&046) E001?
> $30 (&048) 0050?
> $32 (&050) 0018?

--
Matt Porter
mmporter@home.com
This is Linux Country. On a quiet night, you can hear Windows reboot.


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