[superh-gnu-discuss] Problems with gdbserver

[Paul Mundt]

On Thu, Sep 30, 2010 at 04:35:55PM +0100, Phil Edworthy wrote:
> Unable to handle kernel NULL pointer dereference at virtual address 00000084
> pc = 88004260
> *pde = 8f197000
> Oops: 0001 [#18]
> last sysfs file: /sys/class/vc/vcs3/dev
> Modules linked in:
> 
> Pid : 607, Comm:                gdbserver
> CPU : 0                 Tainted: G      D      (2.6.35 #1)
> 
> PC  : 88004260 SP  : 8f1e1f88 SR  : 40008100 TEA : 296608c0
> R0  : 00000000 R1  : 00000000 R2  : 00000000 R3  : fffffffc
> R4  : 8f0676c0 R5  : 00000006 R6  : 00000084 R7  : 00000000
> R8  : 8f0676c0 R9  : 00000006 R10 : 00000000 R11 : 000000e0
> R12 : 00000000 R13 : 00000004 R14 : 7bf21a40
> MACH: 00000004 MACL: 5c405562 GBR : 296f5470 PR  : 8801dabc
> 
> Call trace:
>  [<8801dabc>] 0x8801dabc
>  [<8800725a>] 0x8800725a
>  [<8801da20>] 0x8801da20
> 
Can you attach your System.map for this kernel? What does addr2line
report for the PC?