Kernel panic resolving names with Angstrom on i.mx31ads

["Víctor M. Palacio Tárrega"]

Hi all,

I'm using last org.openembedded.dev branch to create kernel and 
filesystem for an i.mx31ADS board. Bitbake is building a 2.6.19 kernel 
for this machine.

The problem is that I obtain a kernel panic anytime I try a name 
resolving command. This doesn't occurs with kernel from Freescale BSP 
(from LTIB toolchain).


Anybody knows what's happening? I cannot find this problem documented on 
Freescale forums or anywhere on internet.

Regards,

PS: I'm attaching console output and kernel .config

OUTPUT:
root at mx31ads:~# nslookup openembedded.org
Server:    0.0.0.0
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c4a3c000
[00000000] *pgd=80021031, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1]
Modules linked in: ipv6
CPU: 0
PC is at udp_get_port+0xa0/0x1f0
LR is at udp_get_port+0x20/0x1f0
pc : [<c024b35c>]    lr : [<c024b2dc>]    Not tainted
sp : c5713e90  ip : c037e7ac  fp : c5713eb4
r10: 00000000  r9 : c5712000  r8 : c0027fe8
r7 : c024ca4c  r6 : c06a7220  r5 : 00000000  r4 : c06a7220
r3 : 00000000  r2 : 00000000  r1 : 00000800  r0 : 00001387
Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  Segment user
Control: C5387F
Table: 84A3C000  DAC: 00000015
Process nslookup (pid: 1709, stack limit = 0xc5712250)
Stack: (0xc5713e90 to 0xc5714000)
3e80:                                     00000002 c06a7220 00000142 
0000001c
3ea0: c5713f00 c0027fe8 c5713ec4 c5713eb8 c024b4c0 c024b2c8 c5713edc 
c5713ec8
3ec0: c0252694 c024b4b8 c06a7220 c5713f00 c5713efc c5713ee0 c0253320 
c025266c
3ee0: 0000001c c56500c0 00087e08 0000001c c5713fa4 c5713f00 c02048b8 
c02532d4
3f00: 35000002 00000000 00000000 00000000 00000000 00000000 00000000 
3432365b
3f20: c0005d33 c0362f18 c5713f4c c5713f38 c008b104 c008b164 00000003 
00001863
3f40: 00000006 c5713f1c c56500c0 00000003 401be548 00000119 c5713f84 
c5713f68
3f60: c0205754 c00878f4 c02055bc c5c91420 00000000 401be53c c5713fa4 
c5713f88
3f80: 00000000 00000000 00087e08 00002808 401be548 0000011b 00000000 
c5713fa8
3fa0: c0027e40 c0204850 00087e08 00002808 00000003 00087e08 0000001c 
401be53c
3fc0: 00087e08 00002808 401be548 0000011b 401be53c bed5f92b 000001ce 
bed5facc
3fe0: 00000003 bed5f660 401e94e0 40161c2c 60000010 00000003 00000000 
00000000
Backtrace:
[<c024b2bc>] (udp_get_port+0x0/0x1f0) from [<c024b4c0>] 
(udp_v4_get_port+0x14/0)
 r8 = C0027FE8  r7 = C5713F00  r6 = 0000001C  r5 = 00000142
 r4 = C06A7220
[<c024b4ac>] (udp_v4_get_port+0x0/0x1c) from [<c0252694>] 
(inet_autobind+0x34/0)
[<c0252660>] (inet_autobind+0x0/0x78) from [<c0253320>] 
(inet_dgram_connect+0x5)
 r5 = C5713F00  r4 = C06A7220
[<c02532c8>] (inet_dgram_connect+0x0/0x84) from [<c02048b8>] 
(sys_connect+0x74/)
 r6 = 0000001C  r5 = 00087E08  r4 = C56500C0
[<c0204844>] (sys_connect+0x0/0x98) from [<c0027e40>] 
(ret_fast_syscall+0x0/0x2)
 r7 = 0000011B  r6 = 401BE548  r5 = 00002808  r4 = 00087E08
Code: c0623001 c203307f c0831002 ea000002 (e5933000)
 <0>Kernel panic - not syncing: Aiee, killing interrupt handler!





-- 

//*Víctor M. Palacio Tárrega*//


 



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