在飞凌imx6q的linux-3.0.35内核上打实时补丁，启动内核后报错，错误日记看不太懂，求大神指教

jzw;pwm_backlight_update_status:s_bl_en=1                                      
regulator_init_complete: PFUZE100_VGEN6: incomplete constraints, leaving on    
regulator_init_complete: PFUZE100_VGEN3: incomplete constraints, leaving on    
regulator_init_complete: PFUZE100_VGEN2: incomplete constraints, leaving on    
regulator_init_complete: PFUZE100_VGEN1: incomplete constraints, leaving on    
hub 2-1:1.0: USB hub found                                                     
hub 2-1:1.0: 4 ports detected                                                  
rtc-rx8010 2-0032: setting system clock to 1970-01-09 06:14:40 UTC (713680)    
EXT3-fs (mmcblk0p1): error: couldn't mount because of unsupported optional feat
ures (240)                                                                     
usb 2-1.3: new high speed USB device number 3 using fsl-ehci                   
EXT2-fs (mmcblk0p1): error: couldn't mount because of unsupported optional feat
ures (240)                                                                     
EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: (null)   
VFS: Mounted root (ext4 filesystem) on device 179:1.                           
Freeing init memory: 212K                                                      
starting pid 1456, tty '': '/etc/rc.d/rcS'                                     
Mounting /proc and /sys                                                        
Starting the hotplug events dispatcher udevd                                   
Synthesizing initial hotplug events                                            
udevd (1508): /proc/1508/oom_adj is deprecated, please use /proc/1508/oom_score
_adj instead.                                                                  
Unable to handle kernel NULL pointer dereference at virtual address 00000000   
pgd = 80004000                                                                 
[00000000] *pgd=00000000                                                       
Internal error: Oops: 80000007 [#1] PREEMPT SMP                                
Modules linked in:                                                             
CPU: 0    Not tainted  (3.0.35-2666-gbdde708-rt56-gcb741c4-dirty #3)           
PC is at 0x0                                                                   
LR is at activate_task+0x54/0x64                                               
pc : [<00000000>]    lr : [<8006d644>]    psr: 80000193                        
sp : bff87e38  ip : 00000000  fp : bff87e4c                                    
r10: 20000113  r9 : 8003c140  r8 : bff1dda8                                    
r7 : 00000008  r6 : 00000001  r5 : bff1da20  r4 : 8c027140                     
r3 : 00000000  r2 : 00000001  r1 : bff1da20  r0 : 8c027140                     
Flags: Nzcv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel           
Control: 10c53c7d  Table: 4a5d404a  DAC: 00000015                              
Process ksoftirqd/0 (pid: 3, stack limit = 0xbff862f0)                         
Stack: (0xbff87e38 to 0xbff88000)                                              
7e20:                                                       00000001 bff1da20  
7e40: 8c027140 00000001 bff87e7c 80072b94 00000002 8003c140 80b462a0 80b462a0  
7e60: ffff8bfb 80b462a0 00000000 80b462a0 80b5fd5c 00000000 00000000 80542d98  
7e80: 8c026f90 ffff8bfb 80b462a0 800830d8 8c026fb8 00000000 af3da8a7 8c026f90  
7ea0: 80b5fba0 8003bf90 0bfeb000 00000003 00004e20 803a1e50 bff87edc 8054162c  
7ec0: 00004e20 00000000 8bff9ea0 00000000 002c3651 0000005c bffc0000 00000001  
7ee0: bffc0000 bff87f10 80b462a0 80ad8200 bff86000 00200200 00000000 00000000  
7f00: 803a1c08 80083374 00000000 bff86000 bff87f10 bff87f10 00000006 00000001  
7f20: 80ad8184 bff86000 80af2058 80ad8180 00000000 80b46100 00000001 8007c148  
7f40: bffdf210 00000000 00000001 00000000 00000000 bff86000 8c00e2b8 00000000  
7f60: 80af2058 8003b2b8 00000000 00000000 00000000 8007c304 bff86000 00000000  
7f80: 00000001 bff87f94 80b46100 8007c418 00000013 00000001 00000000 bff81f28  
7fa0: 00000000 8007c35c 00000013 00000000 00000000 800916a8 00000000 00000000  
7fc0: 00000000 00000000 00000000 bff87fcc bff87fcc 00000000 00000000 00000000  
7fe0: bff87fe0 bff87fe0 bff81f28 80091628 80043a24 80043a24 00000000 08040420  
[<8006d644>] (activate_task+0x54/0x64) from [<80072b94>] (try_to_wake_up+0x2a0/
0x328)                                                                         
[<80072b94>] (try_to_wake_up+0x2a0/0x328) from [<80542d98>] (rt_spin_lock_slowu
nlock+0x24/0x74)                                                               
[<80542d98>] (rt_spin_lock_slowunlock+0x24/0x74) from [<800830d8>] (mod_timer+0
x160/0x228)                                                                    
[<800830d8>] (mod_timer+0x160/0x228) from [<803a1e50>] (cpufreq_interactive_tim
er+0x248/0x3e0)                                                                
[<803a1e50>] (cpufreq_interactive_timer+0x248/0x3e0) from [<80083374>] (run_tim
er_softirq+0x100/0x240)                                                        
[<80083374>] (run_timer_softirq+0x100/0x240) from [<8007c148>] (__do_softirq_co
mmon+0xc4/0x178)                                                               
[<8007c148>] (__do_softirq_common+0xc4/0x178) from [<8007c304>] (__thread_do_so
ftirq+0x108/0x160)                                                             
[<8007c304>] (__thread_do_softirq+0x108/0x160) from [<8007c418>] (run_ksoftirqd
+0xbc/0x180)                                                                   
[<8007c418>] (run_ksoftirqd+0xbc/0x180) from [<800916a8>] (kthread+0x80/0x88)  
[<800916a8>] (kthread+0x80/0x88) from [<80043a24>] (kernel_thread_exit+0x0/0x8)
Code: bad PC value