我最近碰到一个很严重的问题,一个使用盈方微210芯片跑android 4.0的系统,经常死机,
我始终搞不清楚问题出在哪里,下面是死机时的打印信息,我怀疑是电源管理的模块有问题,在
加载galcore驱动时出现了空指针,希望能得到高人指点。
[ 26.085000] request_suspend_state: wakeup (3->0) at 26091944002 (2010-09-22 16:25:05.890061000 UTC)
[ 26.710000] enter function switch_wifi_print_state, at line 77
[ 26.745000] eth0: link down
[ 26.750000] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 27.150000] enabling adb
[ 27.155000] ix_pullup()
[ 27.155000] ix_pullup: find otg pull up
[ 28.990000] ix_pullup()
[ 28.990000] ix_pullup: find otg pull up
[ 29.820000] adb_open
[ 40.345000] vmap allocation for size 6492160 failed: use vmalloc=<size> to increase size.
[ 40.350000] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 40.355000] pgd = dcfb8000
[ 40.355000] [00000000] *pgd=5c1c5031, *pte=00000000, *ppte=00000000
[ 40.365000] Internal error: Oops: 817 [#1]
[ 40.365000] last sysfs file: /sys/power/state
[ 40.365000] Modules linked in: galcore
[ 40.365000] CPU: 0 Not tainted (2.6.35.7-infoTM #93)
[ 40.365000] PC is at __memzero+0x24/0x80
[ 40.365000] LR is at 0x0
[ 40.365000] pc : [<c01ab864>] lr : [<00000000>] psr: 20000013
[ 40.365000] sp : dd635c5c ip : 00000000 fp : dd635cc4
[ 40.365000] r10: dd635e30 r9 : 00000000 r8 : 00000000
[ 40.365000] r7 : e094c628 r6 : 00000001 r5 : 00630000 r4 : dd62d720
[ 40.365000] r3 : 00000000 r2 : 00000000 r1 : 0062ffc0 r0 : 00000000
[ 40.365000] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 40.365000] Control: 00c5387d Table: 5cfb8008 DAC: 00000015
[ 40.365000]
[ 40.365000] PC: 0xc01ab7e4:
[ 40.365000] b7e4 e3120004 14801004 e3120002 14c01001 14c01001 e3120001 14c01001 e1a0f00e
[ 40.365000] b804 e320f000 e320f000 e320f000 e320f000 e320f000 e320f000 e320f000 00000000
[ 40.365000] b824 e2511004 ba00001d e3530002 b4c02001 d4c02001 e4c02001 e0811003 e3a02000
[ 40.365000] b844 e2103003 1afffff5 e3510010 ba00000f e52de004 e1a0c002 e1a0e002 e2511040
[ 40.365000] b864 a8a0500c a8a0500c a8a0500c a8a0500c cafffff9 08bd8000 e3110020 18a0500c
[ 40.365000] b884 18a0500c e3110010 18a0500c e49de004 e3110008 18a0000c e3110004 14802004
[ 40.365000] b8a4 e3110002 14c02001 14c02001 e3110001 14c02001 e1a0f00e e320f000 e0010192
[ 40.365000] b8c4 e0211390 e1a0c820 e1a03822 e1c0080c e1c22803 e0211c93 e0030390 e0000092
[ 40.365000]
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[ 40.350000] Unable to handle kernel NULL pointer dereference at virtual address 00000000从上面两句看,是分配空间没成功,导致了空指针。
分配这么大一块内存失败,为什么要分配这么大
一块区域呢?搞不清楚啊