Unable to handle kernel NULL pointer dereference at virtual address 00000000

徐贵福 — Wed, 29 Nov 2017 01:44:03 GMT

We do our luncher stress test, it will happend kernel panic, look like this:

Similar problems:

Random crash at imx6dl with Android 4.4.2

The board is our own design，I have do ddr stress, it look like ok, no error.

So what can i do? This issue had block me for a long times.

11-22 19:04:06.623067735 GPU[1](ChipModel=0x320 ChipRevision=0x5007):
11-22 19:04:06.629706734 kernel BUG at drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c:2419!
11-22 19:04:06.639181068 Unable to handle kernel NULL pointer dereference at virtual address 00000000
11-22 19:04:06.648775068 pgd = d75b0000
11-22 19:04:06.652515068 [00000000] *pgd=00000000
11-22 19:04:06.657462401 Internal error: Oops: 805 [#1] PREEMPT SMP
11-22 19:04:06.663552067 Modules linked in: cdc_ether usbnet gpio
11-22 19:04:06.669811068 CPU: 3    Not tainted (3.0.35 #374)
11-22 19:04:06.675377735 PC is at __bug+0x1c/0x28
11-22 19:04:06.679946401 LR is at __bug+0x18/0x28
11-22 19:04:06.684457735 pc : [<c0053130>]    lr : [<c005312c>]    psr: 60070013
11-22 19:04:06.684464401 sp : d7703cb8 ip : 00000000 fp : 00000001
11-22 19:04:06.697871068 r10: 00000000 r9 : 00000002 r8 : 00000000
11-22 19:04:06.704086068 r7 : d7703d04 r6 : 00000660 r5 : 00000001 r4 : d641d300
11-22 19:04:06.711548068 r3 : 00000000 r2 : 00000001 r1 : 02871000 r0 : 0000006e
11-22 19:04:06.719068067 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
11-22 19:04:06.727195067 Control: 10c53c7d Table: 275b004a DAC: 00000015
11-22 19:04:06.733875067
11-22 19:04:06.733878734 PC: 0xc00530b0:
11-22 19:04:06.740079734 30b0 e1a04000 e24dd010 e590003c eb01c5a8 e3500000 0594003c 0a00000d e2841034
11-22 19:04:06.749915734 30d0 e594002c e891000e e88d000f ea000003 e59d000c eb01c59e e3500000 0a000006
11-22 19:04:06.759698400 30f0 e1a0000d eb000eab e3500000 aafffff7 e3a00000 e28dd010 e8bd8010 e59d000c
11-22 19:04:06.769538400 3110 eafffffb e92d4008 e1a03000 e1a02001 e59f0010 e1a01003 eb19b451 e3a03000
11-22 19:04:06.779380400 3130 e5833000 eafffffe c0842f30 e3020f4c e30012e1 e92d4008 e34c0084 ebfffff0
11-22 19:04:06.789221400 3150 e1a01000 e3020f64 e92d4008 e34c0084 eb19b443 e3020f4c e30012c5 e34c0084
11-22 19:04:06.799053068 3170 ebffffe7 e92d4008 e1a02000 e1a03001 e3020f84 e1a0100e e34c0084 eb19b438
11-22 19:04:06.808837068 3190 e3020f4c e3001299 e34c0084 ebffffdc e92d4ff0 e24dd06c e1a06002 e1a08000
11-22 19:04:06.818624068
11-22 19:04:06.818628068 LR: 0xc00530ac:
11-22 19:04:06.824825401 30ac e92d4010 e1a04000 e24dd010 e590003c eb01c5a8 e3500000 0594003c 0a00000d
11-22 19:04:06.834666735 30cc e2841034 e594002c e891000e e88d000f ea000003 e59d000c eb01c59e e3500000
11-22 19:04:06.844444067 30ec 0a000006 e1a0000d eb000eab e3500000 aafffff7 e3a00000 e28dd010 e8bd8010
11-22 19:04:06.854284401 310c e59d000c eafffffb e92d4008 e1a03000 e1a02001 e59f0010 e1a01003 eb19b451
11-22 19:04:06.864135401 312c e3a03000 e5833000 eafffffe c0842f30 e3020f4c e30012e1 e92d4008 e34c0084
11-22 19:04:06.873982401 314c ebfffff0 e1a01000 e3020f64 e92d4008 e34c0084 eb19b443 e3020f4c e30012c5
11-22 19:04:06.883820401 316c e34c0084 ebffffe7 e92d4008 e1a02000 e1a03001 e3020f84 e1a0100e e34c0084
11-22 19:04:06.893600067 318c eb19b438 e3020f4c e3001299 e34c0084 ebffffdc e92d4ff0 e24dd06c e1a06002
11-22 19:04:06.903442068
11-22 19:04:06.903446068 SP: 0xd7703c38:
11-22 19:04:06.909646401 3c38 c0048320 c0048320 838ab724 00032423 c00471b4 c0048320 4005fec0 00000001
11-22 19:04:06.919487068 3c58 000004d0 0000040f 00000005 00000660 d7703d04 c004f390 0000006e 02871000
11-22 19:04:06.929271401 3c78 00000001 00000000 d641d300 00000001 00000660 d7703d04 00000000 00000002
11-22 19:04:06.939109401 3c98 00000000 00000001 00000000 d7703cb8 c005312c c0053130 60070013 ffffffff
11-22 19:04:06.948948734 3cb8 00000000 c04d9274 d7703d04 d6feb5a0 00000000 00000001 d641d300 c04ef6c8
11-22 19:04:06.958787734 3cd8 00005007 0544a9cb d6096000 c009dfc0 d6feb6a0 ffffffff ffffffff 00000000
11-22 19:04:06.968622401 3cf8 00000000 00000000 00000000 00000000 00000000 00000000 00000000 d7702000
11-22 19:04:06.978407401 3d18 00000001 00000000 d7702000 00000000 00000000 d6feb5a0 00000000 d6feb6a0
11-22 19:04:06.988246734
11-22 19:04:06.988250734 R4: 0xd641d280:
11-22 19:04:06.994450067 d280 ffdf5000 00000002 d6b69aa0 ffdf4000 26b67000 ffdf5000 00000028 00000000
11-22 19:04:07.004286400 d2a0 00000000 d6daa800 26b67018 ffdf5018 00000008 00000008 00000020 00000008
11-22 19:04:07.014068399 d2c0 d709fbe0 00000001 00000000 00000000 00000000 00000000 00000000 00000000
11-22 19:04:07.023903065 d2e0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
11-22 19:04:07.033739065 d300 2020534f 00000000 d6b68e00 d709fe20 d61884c0 d6b69b20 d76ed8a0 00000001
11-22 19:04:07.043576731 d320 d709fdc0 d0ed6710 d6db1088 00000005 0000000d 00000000 00000000 00000000
11-22 19:04:07.053363064 d340 00000000 00ee3935 00000000 d709fde0 00000002 d3557680 d786cfa0 d6b6cbc0
11-22 19:04:07.063140063 d360 00000000 00000000 00000000 00000000 00000000 00000000 d641d378 d641d378
11-22 19:04:07.072977063
11-22 19:04:07.072981063 R7: 0xd7703c84:
11-22 19:04:07.079179732 3c84 00000001 00000660 d7703d04 00000000 00000002 00000000 00000001 00000000
11-22 19:04:07.089017735 3ca4 d7703cb8 c005312c c0053130 60070013 ffffffff 00000000 c04d9274 d7703d04
11-22 19:04:07.098799070 3cc4 d6feb5a0 00000000 00000001 d641d300 c04ef6c8 00005007 0544a9cb d6096000
11-22 19:04:07.108634069 3ce4 c009dfc0 d6feb6a0 ffffffff ffffffff 00000000 00000000 00000000 00000000
11-22 19:04:07.118421734 3d04 00000000 00000000 00000000 00000000 d7702000 00000001 00000000 d7702000
11-22 19:04:07.128265401 3d24 00000000 00000000 d6feb5a0 00000000 d6feb6a0 00004e20 00000000 d7702000
11-22 19:04:07.138102733 3d44 00000000 00000001 c04dc08c 00000000 d76edb60 d7703df0 c04dfca8 00000000
11-22 19:04:07.147888068 3d64 0000093c d402e8c0 d7776ba0 d7703eec 00000000 00000000 00000000 00000000
11-22 19:04:07.157731068 Process surfaceflinger (pid: 2364, stack limit = 0xd77022f0)
11-22 19:04:07.165423401 Stack: (0xd7703cb8 to 0xd7704000)
11-22 19:04:07.170715734 3ca0:                                                       00000000 c04d9274
11-22 19:04:07.179887068 3cc0: d7703d04 d6feb5a0 00000000 00000001 d641d300 c04ef6c8 00005007 0544a9cb
11-22 19:04:07.189057734 3ce0: d6096000 c009dfc0 d6feb6a0 ffffffff ffffffff 00000000 00000000 00000000
11-22 19:04:07.198229402 3d00: 00000000 00000000 00000000 00000000 00000000 d7702000 00000001 00000000
11-22 19:04:07.207345068 3d20: d7702000 00000000 00000000 d6feb5a0 00000000 d6feb6a0 00004e20 00000000
11-22 19:04:07.216460068 3d40: d7702000 00000000 00000001 c04dc08c 00000000 d76edb60 d7703df0 c04dfca8
11-22 19:04:07.225632735 3d60: 00000000 0000093c d402e8c0 d7776ba0 d7703eec 00000000 00000000 00000000
11-22 19:04:07.234804402 3d80: 00000000 00000000 0000093c d7776d80 d402e8c0 d6feb5a0 00000000 00000000
11-22 19:04:07.243974402 3da0: 00000000 d7776d54 fffffff5 d7702000 d6b68e00 d7702000 d61a1460 00007530
11-22 19:04:07.253145068 3dc0: 00000000 d7702000 00000000 c04d8524 bebec3f0 00000000 000000f8 00000000
11-22 19:04:07.262260068 3de0: bebec3f0 00000000 000000f8 00000000 00000010 00000002 bebec430 00000000
11-22 19:04:07.271432067 3e00: 000000f8 00000000 40e42308 00000000 00000003 00000014 40d42f90 ffffffff
11-22 19:04:07.280603067 3e20: 40a1a288 bebec480 40c08208 00000001 00000000 4010c801 4010c70a 40a1a290
11-22 19:04:07.289773067 3e40: 000004d0 00000000 00000019 00000320 408986e8 4087de64 bebec480 d90c6f57
11-22 19:04:07.298945401 3e60: 00000000 d90c6f57 00000050 00000000 00000000 401c4008 bebec5b8 00000001
11-22 19:04:07.308060734 3e80: 400e7008 00000001 00000001 d90c6f57 4087de64 00000001 410aff38 4156441c
11-22 19:04:07.317235734 3ea0: 410aff88 4080bb91 40e42308 bebec508 4156441c 4048fbf8 41563834 40486bb8
11-22 19:04:07.326483400 3ec0: 00000001 40e42310 410afec8 40813273 00000000 00000000 40d41830 4087de64
11-22 19:04:07.335654066 3ee0: bebec508 d90c6f57 d78788d0 bebec3b8 d7031960 0000000f 00000000 d7702000
11-22 19:04:07.344824066 3f00: 00000000 c0145f64 d49b71a0 00000000 00000000 00000000 00000000 00000000
11-22 19:04:07.353942065 3f20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
11-22 19:04:07.363113398 3f40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
11-22 19:04:07.372283064 3f60: 00000000 d7031960 bebec3b8 00007530 0000000f 00000000 d7702000 00000000
11-22 19:04:07.381455396 3f80: 00000001 c0146510 00000000 00000001 00002710 4087eee8 bebec3f0 00000036
11-22 19:04:07.390623729 3fa0: c004fb44 c004f9c0 00002710 4087eee8 0000000f 00007530 bebec3b8 bebec3a0
11-22 19:04:07.399739728 3fc0: 00002710 4087eee8 bebec3f0 00000036 4048fbf8 41563834 40486bb8 00000001
11-22 19:04:07.408911728 3fe0: 4156441c bebec390 4016023b 40153664 600f0010 0000000f 00000000 00000000
11-22 19:04:07.418100727 [<c0053130>] (__bug+0x1c/0x28) from [<c04d9274>] (gckOS_ReadRegisterEx+0xd8/0xdc)
11-22 19:04:07.427634393 [<c04d9274>] (gckOS_ReadRegisterEx+0xd8/0xdc) from [<c04ef6c8>] (gckHARDWARE_DumpGPUState+0x7c/0x7f8)
11-22 19:04:07.438899059 [<c04ef6c8>] (gckHARDWARE_DumpGPUState+0x7c/0x7f8) from [<c04dc08c>] (gckOS_Broadcast+0x38/0xe8)
11-22 19:04:07.449729391 [<c04dc08c>] (gckOS_Broadcast+0x38/0xe8) from [<c04dfca8>] (gckKERNEL_Dispatch+0x1020/0x1228)
11-22 19:04:07.460295057 [<c04dfca8>] (gckKERNEL_Dispatch+0x1020/0x1228) from [<c04d8524>] (drv_ioctl+0x120/0x270)
11-22 19:04:07.470513056 [<c04d8524>] (drv_ioctl+0x120/0x270) from [<c0145f64>] (do_vfs_ioctl+0x84/0x5c0)
11-22 19:04:07.479892056 [<c0145f64>] (do_vfs_ioctl+0x84/0x5c0) from [<c0146510>] (sys_ioctl+0x70/0x78)
11-22 19:04:07.489149388 [<c0146510>] (sys_ioctl+0x70/0x78) from [<c004f9c0>] (ret_fast_syscall+0x0/0x30)
11-22 19:04:07.498579721 Code: e59f0010 e1a01003 eb19b451 e3a03000 (e5833000)
11-22 19:04:07.505988054 ---[ end trace 1911a33309126760 ]---
11-22 19:04:07.500 W/AudioFlinger11-22 19:04:07.511557058 Kernel panic - not syncing: Fatal exception
( 2367): write blocked for 857 ms11-22 19:04:07.520601733 [<c0057104>] (unwind_backtrace+0x0/0x138) from [<c06c0154>] (panic+0x74/0x194)
ecs, 3 delayed writes, thread 0x411-22 19:04:07.532584403 [<c06c0154>] (panic+0x74/0x194) from [<c0053598>] (die+0x218/0x284)
0e97008
11-22 19:04:07.543576070 [<c0053598>] (die+0x218/0x284) from [<c06bf5d0>] (__do_kernel_fault.part.3+0x54/0x74)
11-22 19:04:07.554130402 [<c06bf5d0>] (__do_kernel_fault.part.3+0x54/0x74) from [<c005aed0>] (do_page_fault+0x2cc/0x334)
11-22 19:04:07.564890735 [<c005aed0>] (do_page_fault+0x2cc/0x334) from [<c0049424>] (do_DataAbort+0x34/0x9c)
11-22 19:04:07.574606735 [<c0049424>] (do_DataAbort+0x34/0x9c) from [<c004f390>] (__dabt_svc+0x70/0xa0)
11-22 19:04:07.583901401 Exception stack(0xd7703c70 to 0xd7703cb8)
11-22 19:04:07.589900068 3c60:                                     0000006e 02871000 00000001 00000000
11-22 19:04:07.599090068 3c80: d641d300 00000001 00000660 d7703d04 00000000 00000002 00000000 00000001
11-22 19:04:07.608280068 3ca0: 00000000 d7703cb8 c005312c c0053130 60070013 ffffffff
11-22 19:04:07.615911735 [<c004f390>] (__dabt_svc+0x70/0xa0) from [<c0053130>] (__bug+0x1c/0x28)
11-22 19:04:07.624537068 [<c0053130>] (__bug+0x1c/0x28) from [<c04d9274>] (gckOS_ReadRegisterEx+0xd8/0xdc)
11-22 19:04:07.634094401 [<c04d9274>] (gckOS_ReadRegisterEx+0xd8/0xdc) from [<c04ef6c8>] (gckHARDWARE_DumpGPUState+0x7c/0x7f8)
11-22 19:04:07.645388401 [<c04ef6c8>] (gckHARDWARE_DumpGPUState+0x7c/0x7f8) from [<c04dc08c>] (gckOS_Broadcast+0x38/0xe8)
11-22 19:04:07.656241735 [<c04dc08c>] (gckOS_Broadcast+0x38/0xe8) from [<c04dfca8>] (gckKERNEL_Dispatch+0x1020/0x1228)
11-22 19:04:07.666842068 [<c04dfca8>] (gckKERNEL_Dispatch+0x1020/0x1228) from [<c04d8524>] (drv_ioctl+0x120/0x270)
11-22 19:04:07.677077401 [<c04d8524>] (drv_ioctl+0x120/0x270) from [<c0145f64>] (do_vfs_ioctl+0x84/0x5c0)
11-22 19:04:07.686536735 [<c0145f64>] (do_vfs_ioctl+0x84/0x5c0) from [<c0146510>] (sys_ioctl+0x70/0x78)
11-22 19:04:07.695812735 [<c0146510>] (sys_ioctl+0x70/0x78) from [<c004f9c0>] (ret_fast_syscall+0x0/0x30)
11-22 19:04:07.705218068 CPU1: stopping
11-22 19:04:07.708933068 [<c0057104>] (unwind_backtrace+0x0/0x138) from [<c00493bc>] (do_IPI+0x1d4/0x208)
11-22 19:04:07.718370068 [<c00493bc>] (do_IPI+0x1d4/0x208) from [<c004f40c>] (__irq_svc+0x4c/0xe8)
11-22 19:04:07.727135734 Exception stack(0xd6065f90 to 0xd6065fd8)
11-22 19:04:07.733180401 5f80:                                     c0a002e8 200f0093 00000001 00000000
11-22 19:04:07.742351734 5fa0: d6064000 c09f7d04 c0971a70 c06ca1f8 c097a2ac 412fc09a 00000000 00000000
11-22 19:04:07.751465734 5fc0: 00000000 d6065fd8 c005f3c4 c0050528 400f0013 ffffffff
11-22 19:04:07.759076734 [<c004f40c>] (__irq_svc+0x4c/0xe8) from [<c0050528>] (default_idle+0x24/0x28)
11-22 19:04:07.768250068 [<c0050528>] (default_idle+0x24/0x28) from [<c0050850>] (cpu_idle+0xe0/0x124)
11-22 19:04:07.777424068 [<c0050850>] (cpu_idle+0xe0/0x124) from [<106bbb14>] (0x106bbb14)
11-22 19:04:07.785495401 CPU2: stopping
11-22 19:04:07.789205401 [<c0057104>] (unwind_backtrace+0x0/0x138) from [<c00493bc>] (do_IPI+0x1d4/0x208)
11-22 19:04:07.798638401 [<c00493bc>] (do_IPI+0x1d4/0x208) from [<c004f40c>] (__irq_svc+0x4c/0xe8)
11-22 19:04:07.807405068 Exception stack(0xd608ff90 to 0xd608ffd8)
11-22 19:04:07.813448735 ff80:                                     c0a002e8 600b0093 00000001 00000000
11-22 19:04:07.822620068 ffa0: d608e000 c09f7d04 c0971a70 c06ca1f8 c097a2ac 412fc09a 00000000 00000000
11-22 19:04:07.831734401 ffc0: 00000000 d608ffd8 c005f3c4 c0050528 400b0013 ffffffff
11-22 19:04:07.839344734 [<c004f40c>] (__irq_svc+0x4c/0xe8) from [<c0050528>] (default_idle+0x24/0x28)
11-22 19:04:07.848519401 [<c0050528>] (default_idle+0x24/0x28) from [<c0050850>] (cpu_idle+0xe0/0x124)
11-22 19:04:07.857692401 [<c0050850>] (cpu_idle+0xe0/0x124) from [<106bbb14>] (0x106bbb14)
11-22 19:04:07.865763401 CPU0: stopping
11-22 19:04:07.869472068 [<c0057104>] (unwind_backtrace+0x0/0x138) from [<c00493bc>] (do_IPI+0x1d4/0x208)
11-22 19:04:07.878908068 [<c00493bc>] (do_IPI+0x1d4/0x208) from [<c004f40c>] (__irq_svc+0x4c/0xe8)
11-22 19:04:07.887672734 Exception stack(0xd632be00 to 0xd632be48)
11-22 19:04:07.893718068 be00: c28a1320 c09790a0 02859000 00000000 d62dd9c0 c28a1320 c09790a0 d632a000
11-22 19:04:07.902890401 be20: d2f22b44 c09790a0 d62ddc5c d632befc c09790a0 d632be48 c06c4c74 c06c7198
11-22 19:04:07.912003068 be40: 60070013 ffffffff
11-22 19:04:07.916493068 [<c004f40c>] (__irq_svc+0x4c/0xe8) from [<c06c7198>] (_raw_spin_unlock_irq+0x18/0x40)
11-22 19:04:07.926365401 [<c06c7198>] (_raw_spin_unlock_irq+0x18/0x40) from [<c06c4c74>] (__schedule+0x308/0x958)
11-22 19:04:07.936507068 [<c06c4c74>] (__schedule+0x308/0x958) from [<c0091628>] (do_syslog+0x460/0x4cc)
11-22 19:04:07.945801401 [<c0091628>] (do_syslog+0x460/0x4cc) from [<c017b340>] (proc_reg_read+0x70/0x94)
11-22 19:04:07.955246068 [<c017b340>] (proc_reg_read+0x70/0x94) from [<c01369a8>] (vfs_read+0xa4/0x134)
11-22 19:04:07.964509735 [<c01369a8>] (vfs_read+0xa4/0x134) from [<c0136a74>] (sys_read+0x3c/0x68)
11-22 19:04:07.973337735 [<c0136a74>] (sys_read+0x3c/0x68) from [<c004f9c0>] (ret_fast_syscall+0x0/0x30)
CONFIG_SYS_I2C_SPEED----------100000
oprate rtc chip--plpl--loop-----
pcf8563 i2c_write_3 RTC_REG_CON_STA2 5

Re: Unable to handle kernel NULL pointer dereference at virtual address 00000000

igorpadykov — Wed, 29 Nov 2017 05:08:32 GMT

as suggests log below, it may be due to gpu bugs:

"11-22 19:04:06.629706734 kernel BUG at drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c"

recommended to migrate to latest android releases or try patch provided on

IMX6Q cpu rcu error

Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

Re: Unable to handle kernel NULL pointer dereference at virtual address 00000000

徐贵福 — Thu, 30 Nov 2017 06:54:48 GMT

Thank you for you reply,I will porting patches with android 4.4.2.

i.MX ProcessorsのトピックUnable to handle kernel NULL pointer dereference at virtual address 00000000

Unable to handle kernel NULL pointer dereference at virtual address 00000000

Re: Unable to handle kernel NULL pointer dereference at virtual address 00000000

Re: Unable to handle kernel NULL pointer dereference at virtual address 00000000