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GENERIC is too large and breaks stack in bootloader

Hi,

I'm trying to netboot NetBSD/prep GENERIC 6.0 and 6.1-RC1 kernels on my
IBM 7248-120 (PReP) with 96 megabytes of memory. The machine has been
running NetBSD-5.0 for a while. On 6.0 and 6.1-RC1, the gzipped kernel
size is larger than the space between the load address and the stack in
the bootloader, so it breaks the bootloader, and no error message is
displayed.

With GENERIC kernel in 6.1-RC1, the values when the control reaches the
loops at init_in(u_long) in src/sys/arch/prep/stand/boot/inkernel.c is:

kern_len	0x21dae3
ladr		0x480410
KERNENTRY	0x600000
&i (the address of a value in the stack) = 0x808048

The kernel (which is 0x21dae3 bytes long) is then moved to address
0x600000, breaking the stack. INSTALL kernel is smaller and free of
this problem.

My proposal is to display a error message when the size of gzipped
kernel is larger than the space between stack and KERNENTRY.
At least this tells the user what is happening, instead of displaying
nothing. The attached patch is against inkernel.c, and implements this.
If someone knows more elegant way to get the SP, please replace mine
with that.

Other things that are nice to have include mkbootimage that warns
large kernels, and GENERIC_SMALL configuration. However, as the

Initialization fails in sys/arch/prep/pnpbus/if_we_pnpbus.c

Hi,

I'm using NetBSD/prep on IBM 7248-120. An IBM genuine ISA PNP Ethernet
card fails to initialize with NetBSD 5* and 6*. This is because of an
error in the driver. Just adding one line in the initialization code
resolves this problem. The patch is attached.

I'm glad if someone merges my patch to the repository, as I don't want
to patch the source everytime I update the kernel.

(without the attached patch)
we2 at pnpbus0: port 0x300-0x31f, iomem 0xe8000-0xebfff, irq 11
we2: WD8013EBT Ethernet (16-bit)
??: Ethernet address 00:20:35:56:87:4f      
sysctl_createv: sysctl_create(??) returned 22
??: could not attach sysctl nodes

(with the patch)
we2 at pnpbus0: port 0x300-0x31f, iomem 0xe8000-0xebfff, irq 11
we2: WD8013EBT Ethernet (16-bit)
we2: Ethernet address 00:20:35:56:87:4f

Best regards,
Hisanobu Tomari

unique watch ,ph0nes Christmas sale- huge discount!

GENERIC 5.1.2 panics on 7248/120

Hello,

I recently got an IBM 7248/120 computer and was happy to find NetBSD
support it. NetBSD was successfully installed on the machine using
network booting. However the GENERIC kernel panics during boot.

I'll try building custom kernel on another machine, and I'd like to know
if there are suggestions on what options to turn on/off.

Thanks in advance.

Here's the console output:

Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 5.1.2 (GENERIC) #0: Thu Feb  2 20:16:46 UTC 2012

builds <at> b8.netbsd.org:/home/builds/ab/netbsd-5-1-2-RELEASE/prep/201202021012Z-obj/home/builds/ab/netbsd-5-1-2-RELEASE/src/sys/arch/prep/compile/GENERIC
Model: IBM PPS Model 7248 (E)
total memory = 32768 KB
avail memory = 26284 KB
mainbus0 (root)
cpu0 at mainbus0: 604 (Revision 3.4), ID 0 (primary)
cpu0: HID0 c084<ICE,DCE,SGE,BHT>, powersave: 1
cpu0: 121.21 MHz
pnpbus0 at mainbus0
wdc0 at pnpbus0: port 0x1f0-0x1f7 0x3f6, irq 13, DMA 6
atabus0 at wdc0 channel 0
wdc1 at pnpbus0: port 0x170-0x177 0x376, irq 13, DMA 7
atabus1 at wdc1 channel 0
we2 at pnpbus0: port 0x300-0x31f, iomem 0xe8000-0xebfff, irq 11
we2: WD8013EBT Ethernet (16-bit)
Š : Ethernet address 00:20:35:56:87:4f
fdc0 at pnpbus0: port 0x3f0-0x3f5 0x3f7, irq 6, DMA 2
mcclock0 at pnpbus0: port 0x70-0x71, irq 8: mc146818 compatible
time-of-day clock
nvram0 at pnpbus0: port 0x74-0x75 0x76
pci0 at mainbus0 bus 0: indirect configuration space access
pchb0 at pci0 dev 0 function 0
pchb0: Motorola MPC105 "Eagle" Host Bridge (rev. 0x24)
pchb0: L2 cache: 512K, write-through mode
pcib0 at pci0 dev 11 function 0: IBM Fire Coral ISA Bridge w/PnP (rev.
0x03)
pcn0 at pci0 dev 12 function 0: AMD PCnet-PCI Ethernet
pcn0: Am79c970A PCnet-PCI II rev 6, Ethernet address 08:00:5a:f8:a1:d2
pcn0: interrupting at irq 15
pcn0: 10base5, 10base5-FDX, 10baseT, 10baseT-FDX, auto, auto-FDX
vga0 at pci0 dev 14 function 0: S3 86C864-1 ("Vision864") (rev. 0x00)
wsdisplay0 at vga0 kbdmux 1
drm at vga0 not configured
siop0 at pci0 dev 16 function 0: Symbios Logic 53c810 (fast scsi)
siop0: interrupting at irq 15
scsibus0 at siop0: 8 targets, 8 luns per target
isa0 at pcib0
lpt0 at isa0 port 0x3bc-0x3bf irq 7
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com0: console
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
pckbc0 at isa0 port 0x60-0x64
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0 mux 1
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
attimer0 at isa0 port 0x40-0x43: AT Timer
pcppi0 at isa0 port 0x61
isabeep0 at pcppi0
attimer0: attached to pcppi0
biomask 800033e netmask 800033e ttymask 800033e
scsibus0: waiting 2 seconds for devices to settle...
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
st0 at scsibus0 target 0 lun 0: <CONNER, CTT8000-S, 1.17> tape removable
st0: drive empty
st0: sync (200.00ns offset 8), 8-bit (5.000MB/s) transfers
cd0 at scsibus0 target 3 lun 0: <IBM, CDRM00203\000\000\000\000\000!K,
8B08> cdrom removable
cd0: sync (100.00ns offset 8), 8-bit (10.000MB/s) transfers
sd0 at scsibus0 target 6 lun 0: <IBM, DCAS-32160    !#, S69D> disk fixed
sd0: 2063 MB, 8188 cyl, 3 head, 172 sec, 512 bytes/sect x 4226725
sectors
sd0: sync (100.00ns offset 8), 8-bit (10.000MB/s) transfers, tagged
queueing
Kernelized RAIDframe activated
trap: kernel read DSI trap  <at>  0x20800a30 by 0x2fd084 (DSISR 0x40000000,
err=14), lr 0x2fd068
panic: trap
Stopped in pid 0.1 (system) at  netbsd:cpu_Debugger+0x10:       lwz
r0, r1, 0
x14
db> bt
0x00577c10: at panic+0x210
0x00577c60: at trap+0x108
0x00577cf0: kernel DSI read trap  <at>  0x20800a30 by turnstile_block+0x150:
srr1=0x9
032
            r1=0x577db0 cr=0x44882228 xer=0 ctr=0x2ea6b0
dsisr=0x40000000
0x00577db0: at turnstile_block+0xd8
0x00577de0: at rw_vector_enter+0x1e4
0x00577e40: at prop_dictionary_get+0x2c
0x00577e70: at gen_fwpath+0x40
0x00577ea0: at cpu_rootconf+0x330
0x00577ee0: at main+0x1fc
0x00577f30: at 0x1000f0
db> 

Hisanobu Tomari

Fwd: VGA - which one works?

On 27 June 2012 09:03, Dmitry the Zuryanovich <dreadbit <at> gmail.com> wrote:
> Hi,
>  I have 43p 240 and enjoying 5.1.2.
>
>  The only strange thing is VGA - no one works.
>
>  I have: ANOGXT800P Altera (original card from this RS/6000), OF works
> with it, NetBSD - does not.
>  S3s from PC, OF does not work with those (but NT/ppc does!) , netbsd
> says "pci0 dev 1 function 0 not configured" , same it says on strange
> CL-GD5430 based (probably from the other RS/6000, OF doesn't work with
> it) dual-head card called Intense 3D CSMT 3800B // MSMT 380B.
>
>  More, I tried ISA VGA and - ISA MDA (with kernel recompile; with this
> configuration I've got ISA IDE working at least, so the ISA bus is
> recognised ) - no way.
>
>  And yes, I keep keyboard plugged in and tried GENERIC and
> self-compiled kernels.
>
>  I want at least wscons (and X too, a bit later).
>  What card should I use of what to do with kernel?
>
>  As about 43p 240, NetBSD 5.1.2/prep runs very well with one processor
> plugged in and hangs most of the time on siop/esiop with both
> processors. As I said, I got IDE ISA controller and VIA VT6202 USB PCI
> card working as USB 1.1 (but not as 2.0) after kernel recompile.

I asked macallan <at>  (NetBSD's resident odd display hardware guru :)
about this, and his response (copied with permission) is below :)

> That's not a VGA, but genfb should work with minimal effort. No chance
> to get accelerated X though, IBM pretends they never made this beast so
> docs are impossible to get.
> We should be able to get anything that works in OF to work at least as
> a dumb framebuffer in NetBSD, the way macppc does. What's missing ( I
> think - I have zero experience with prep ) is a little bit of code that
> grabs OF properties for graphics devices and stuffs them into the
> relevant NetBSD driver's device properties. See for example sparc64's
> and powerpc/oea/autoconf.c device_register(). Prep probably doesn't do
> that since many ( most? ) prep boxes don't have OF.
> That said, does ofppc work on this machine? IIRC the prep port was
> specifically for dealing with braindead PReP firmware, ofppc might do
> the right thing regarding OF graphics hardware.
>
> have fun
> Michael

VGA - which one works?

Hi,
 I have 43p 240 and enjoying 5.1.2.

 The only strange thing is VGA - no one works.

 I have: ANOGXT800P Altera (original card from this RS/6000), OF works
with it, NetBSD - does not.
 S3s from PC, OF does not work with those (but NT/ppc does!) , netbsd
says "pci0 dev 1 function 0 not configured" , same it says on strange
CL-GD5430 based (probably from the other RS/6000, OF doesn't work with
it) dual-head card called Intense 3D CSMT 3800B // MSMT 380B.

 More, I tried ISA VGA and - ISA MDA (with kernel recompile; with this
configuration I've got ISA IDE working at least, so the ISA bus is
recognised ) - no way.

 And yes, I keep keyboard plugged in and tried GENERIC and
self-compiled kernels.

 I want at least wscons (and X too, a bit later).
 What card should I use of what to do with kernel?

 As about 43p 240, NetBSD 5.1.2/prep runs very well with one processor
plugged in and hangs most of the time on siop/esiop with both
processors. As I said, I got IDE ISA controller and VIA VT6202 USB PCI
card working as USB 1.1 (but not as 2.0) after kernel recompile.

--

-- 
--
jabber: dreadbit <at> jabber.ru /compatible with Google chat, yandex chat
and other modern shit/

Please test to boot(8)

Hi! all,

Please test the boot(8) 1.9.

  http://ftp.netbsd.org/pub/NetBSD/misc/kiyohara/tmp/prep-boot.fs

Down-load and dd(1) it to your floppy.

My prep's firmware can't load the boot and latest fatted in-kernel.
However can to load more(less?) slim custom kernel by it.

And difficult to enjoy at current with a in-kernel.
I wish to load more kernels from HDD/file-system.  for netbsd, onetbsd
etc...

prep's boot(8) 1.9 supports to load kernel from sd(4) via siop(4).
Currently support is on-board 53c810 only.
I don't know other controller on main-board.  ;-<

>> NetBSD/prep BOOT, Revision 1.9 (Sat Feb 18 10:24:04 JST 2012)

sd(T,L,[0-7]): <YOUR-SCSI-DEVICE-NAME>
 : (T is terget, L is lun.
 : (more listed, if you has more HDDs :)

Boot: _

You can type 'sd(0,0,0)netbsd'.  Try to load 'netbsd' at 'a' pertition
on sd(4) target 0 lun 0 via siop.

Thanks,
--
kiyohara

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prep machine kernel PGM trap by cpu_get_dfs()

Hi! all,

My prep machine(RS/6000 43P 7248-133) panics by kernel PGM trap.

(this message copy by my hand 

  mainbus0 (root)
  cpu0 at mainbus0: 604 (Revision 3.4), ID 0 (primary)
  cpu0: HID0 0xc084<ICE,DCE,SGE,BHT>, powersave: 1
  cpu0: trap: pid 0.1 (system): kernel PGM trap  <at>  0x12758c (SR1=0x89032)
  panic: tarp
  Stopped in pid 0.1 (system) at netbsd:cpu_Debugger+0x10:  lwz     r0,0x1(r1)
  db> bt
  0x0041bb00: at panic+0x25c
  0x0041bb50: at trap+0x108
  0x0041bbe0: kernel PGM trap by cpu_get_dfs+0x8: srr1=0x89032
              r1=0x41bca0, cr=0x24888244, xer=0, ctr=0x1259ec
  saved LR(0xfffffffd) is invalid

I look cpu_get_dfs() by objdump. 

  # powerpc--netbsd-objdump -d cpu_subr.o

  <...snip...>

  00000030 <cpu_get_dfs>:
      30:       94 21 ff f0     stwu    r1,-16(r1)
      34:       7d 7f 42 a6     mfpvr   r11
      38:       7d 51 fa a6     mfspr   r10,1009

hmm...
I know such a function did not exist until last month.  Does 604 support
mfspr(SPR_HID1)?

http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/arch/powerpc/oea/cpu_subr.c.diff?r1=1.55&r2=1.56&only_with_tag=MAIN&f=h

By the way, because boot of prep supports only inkernel, the generation
of such kernel panic is very embarrassed.  No be known whether boot of
prep should also support HDD like bebox.
Do you know all IDE/SCSI controllers of onboard of prep?
wdc and siop are supported in bebox.

Thanks,
--
kiyohara

RS6000 port on PPC604

Hello,

I built -current and am attempting to boot it on my PPC604 7006-42T.
Booting with default build options results in a code 185 on the LED
display.  I tried disabling PPC_OEA601 in the kernel config but also
get a code 185.  Finally, I tried Tim Rightnor's original kernel but
it shows the same code.  None of these write to the serial line.  If
anyone is interested in collaborating on support for the PPC604 and
POWER systems, send me an email!

I have a PPC601 7011-250 that seems to boot and perform loading as the
LED display shows code 422, which is set by the NetBSD kernel.
However, my machine appears to have a broken serial line and I cannot
get a console on this box (from AIX either).  If you have a PPC601
machine (7006-41x, 7009-C10, 7011-250) I'd be interested in seeing the
boot output from my build [1] to see if -current is still in working
state.

[1]http://ps-2.kev009.com:8081/rs6000/files/rs6000.boot.kev

Regards,
Kevin Bowling