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Panic when booting MARVELL_NAS



Hi all

On a Zyxel NSA320S NAS - using the generic MARVELL_NAS config plus 
pseudo-device drvctl
mvsocrtc* at mvsoc? offset ? irq ?

The stock u-boot (Marvell's u-boot 1.1.4 fork, v3.26 - probably the same as the Sheevaplug's) causes NetBSD to panic with

Marvell>> bootm 0x800000

## Booting image at 00800000 ...
   Image Name:   NetBSD/ 7.99.25
   Created:      2016-01-16  10:30:58 UTC
   Image Type:   ARM NetBSD Kernel Image (uncompressed)
   Data Size:    4452228 Bytes =  4.2 MB
   Load Address: 00008000
   Entry Point:  00008000
   Verifying Checksum ... OK
OK
## Transferring control to NetBSD stage-2 loader (at address 00008000) ...
software interrupt
pc : [<f0000004>]   lr : [<c000c9fc>]
sp : c04476c8  ip : e24dd048 fp : c04476ec
r10: c0465698  r9 : c0447774 r8 : 000186a0
r7 : 00000000  r6 : c0393f70 r5 : c0465698  r4 : c0447c30
r3 : 00600380  r2 : 0000001c r1 : 006003e0  r0 : e51fd344
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32
Resetting CPU …

I tested using a more recent u-boot based off 2015.10 from https://github.com/mibodhi/u-boot-kirkwood and that works flawlessly with the same kernel - except that u-boot cannot enable the 2nd SATA port with enough voltage for my 3.5’’ HDD. I’m investigating the u-boot issue, but in parallel I would try to understand the NetBSD panic.

Any pointers? I’m not sure where to begin.

Cheers
Michael


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