'Stress' tool on imx6quad always crashes

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'Stress' tool on imx6quad always crashes

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shilpasb
Contributor I

Hi ,

I am running 'Stree ' tool on a customised imx6q processor board.

My DDR3 configuration is 1Ghz, with freq set to 400 Mhz

I run the tool with the options given below

stress --cpu 8 --io 4 --vm 4 --vm-bytes 200M --timeout 1d &

Kernel always crashes after sometime(30 mins or less).

The log when the kernel crashes is given below

Unable to handle kernel NULL pointer dereference at virtual address 0000000b

pgd = ba430000

[0000000b] *pgd=4fae5831, *pte=00000000, *ppte=00000000

Internal error: Oops: 17 [#1] SMP

Modules linked in:

CPU: 1    Not tainted  (3.0.35-magik2mx6_0.1-svn98 #1)

PC is at set_page_dirty+0x4c/0x94

LR is at unmap_vmas+0x460/0x688

pc : [<801407e4>]    lr : [<801534c4>]    psr: a00f0013

sp : ba3d5e68  ip : 0004fffb  fp : 2d600000

r10: ba411058  r9 : 2d479000  r8 : ba3d5ef8

r7 : 8be9bf20  r6 : 00000000  r5 : ba4161e4  r4 : 8be9bf20

76r3 : ffffffff  r2 : 40080000  r1 : 8be9bf20  r0 : 00000012

Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user

Control: 10c53c7d  Table: 4a43004a  DAC: 00000015

Process stress (pid: 1723, stack limit = 0xba3d42f0)

Stack: (0xba3d5e68 to 0xba3d6000)

5e60:                   44df975f ba4161e8 ba4161e4 801534c4 ba3d5ebc 00000000

5e80: 44df975f 8bf482cc ba430b54 ba507520 ba507664 807d9700 ba3d4000 311d5000

5ea0: ba430b50 2add4000 311d5000 311d4fff 8c00e87c 00000000 ffffff87 00000000

5ec0: ba507520 ba3d5f18 ba507520 bff1a7e8 ba411058 bff1a840 311d5000 2add4000

5ee0: 00000032 801567b4 ba3d5ef4 00000000 ba3d4000 00006401 ba507520 00000000

5f00: ba411058 2d1d4000 2d47a000 000002a5 00000400 bfbc7000 00000001 00000001

5f20: 00000004 800ba820 800b3000 800b3000 800b3000 8077faf4 800b3000 ba507520

5f40: ba411058 311d5000 2add4000 bff1a7e8 ba507524 bff1a7f4 ba411058 80157834

5f60: 311d5000 ba3d4008 800b2bb4 ba507520 ba507558 06401000 2add4000 800ba944

5f80: ba3d4000 00000000 00000000 80158c98 2adcf228 00001000 00000000 06400000

5fa0: 0000005b 800ba7c0 00001000 00000000 2add4000 06401000 00000000 2adcf228

5fc0: 00001000 00000000 06400000 0000005b 2add4008 000155fc 2add3008 00000000

5fe0: 00000000 7ebecb3c 0000adb0 2ad67e6c 60000010 2add4000 00000000 00000000

[<801407e4>] (set_page_dirty+0x4c/0x94) from [<801534c4>] (unmap_vmas+0x460/0x688)

[<801534c4>] (unmap_vmas+0x460/0x688) from [<801567b4>] (unmap_region+0xbc/0x1ac)

[<801567b4>] (unmap_region+0xbc/0x1ac) from [<80157834>] (do_munmap+0x1e4/0x2cc)

[<80157834>] (do_munmap+0x1e4/0x2cc) from [<80158c98>] (sys_munmap+0x40/0x54)

[<80158c98>] (sys_munmap+0x40/0x54) from [<800ba7c0>] (ret_fast_syscall+0x0/0x30)

Code: 0afffff8 e5933044 e3a00012 e1a01004 (e593500c)

---[ end trace edbadc2c41e6773a ]---

Can anyone please help in solving this issue? It is quite urgent.

Regards,

Shilpa

Labels (3)
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2 Replies

58 Views
igorpadykov
NXP TechSupport
NXP TechSupport

Hi shilpa

had you run ddr test and rebuilt uboot with new ddr calibraion coefficients

i.MX6/7 DDR Stress Test Tool V2.52 | NXP Community

Best regards

igor

-----------------------------------------------------------------------------------------------------------------------

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

-----------------------------------------------------------------------------------------------------------------------

58 Views
shilpasb
Contributor I

Hi Igor,

Thanks for the input....

As you suggested, we have set the DDR frequency to 528 Mhz and we did the calibration .

With the calibrated values we are able to run the stress test for more than 24 hours .

We had set up 5 systems to run the same stress test, out of which 3 boards have continuously run for 5 days without any crash. 2 boards failed after a day . I have attached the logs for your reference.

my doubt is , 

1. Is there any constrains on running the below test.

stress --cpu 8 --io 4 --vm 4 --vm-bytes 200M --timeout 5d &

2. What is the maximum stress that can be loaded on IMX6Q processor with DDR3 clk frequency of 528 Mhz and density of 1GB?

3. What else to be taken care apart from DDR3 configuration for the below failures ? 

The log of the failed board is given below

=================================

Board 1:

==================================

zstress: info: [1829] successful run completed in 86400s
stress: info: [20384] dispatching hogs: 8 cpu, 4 io, 4 vm, 0 hdd
Unable to handle kernel paging request at virtual address 00202398
pgd = bfa34000
[00202398] *pgd=00000000
Internal error: Oops: 805 [#1] SMP
Modules linked in:
CPU: 2    Not tainted  (3.0.35-magik2mx6_0.1-svn98 #1)
PC is at release_pages+0xec/0x1f8
LR is at release_pages+0x120/0x1f8
pc : [<80143e84>]    lr : [<80143eb8>]    psr: 60000093
sp : b1d9fdf8  ip : 80841cd8  fp : 80880960
r10: 00100100  r9 : 00200200  r8 : 0000000e
r7 : 80880960  r6 : b274909c  r5 : 0000000a  r4 : 8bfe7080
r3 : 40080048  r2 : 00202398  r1 : 8bf38e98  r0 : 40080068
Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 10c53c7d  Table: 4fa3404a  DAC: 00000015
Process stress (pid: 20387, stack limit = 0xb1d9e2f0)
Stack: (0xb1d9fdf8 to 0xb1da0000)
fde0:                                                       8c017498 60000013
fe00: 0000000a 00000000 8ba2ee80 8bbb2e00 8ba6a1e0 8bab0ce0 8bfc7540 8bc4f580
fe20: 8bbe6b00 8bbd4a00 8bb59100 8be88c40 8bb47fc0 8ba51740 8bbdcdc0 8be4d0c0
fe40: 8bf31968 0000000e 000003e4 b27490a8 0000000e 8bceef00 8be48280 b27490a8
fe60: b3006c60 80161f50 7f000000 352aa000 00000000 b1d9fefc 00000000 35400000
fe80: 00000000 80154344 80880960 8be5126c ba6d2000 bfa34d48 b1d9e000 00000000
fea0: 4241475f bfa34d48 376ac000 2aeab000 376ac000 376abfff 80841cd8 00000000
fec0: ffffff55 00000000 b1d9ff1c 902d8580 b1d9ff1c b3006c60 902d84d0 ba6d2000
fee0: 2aeab000 00000032 902d858c 80157648 b1d9ff3c 00000000 bf9bdfb8 ba6d2000
ff00: 00000000 b3006c60 7f000000 00000000 00000400 00000400 b2749000 bfeb4a80
ff20: 8c017000 800bc660 800b5000 800b5000 800b41b4 800b5000 b1d9ff4c 0000c801
ff40: ba6d2000 b3006c60 2aeab000 376ac000 b3006c60 ba6d2004 902d8580 80158684
ff60: 376ac000 b1d9e000 b1d9ff84 ba6d2038 0c801000 2aeab000 ba6d2000 800bc784
ff80: b1d9e000 00000000 00000000 80159988 2aea7228 00001000 00000000 0c800000
ffa0: 0000005b 800bc600 00001000 00000000 2aeab000 0c801000 00000000 2aea7228
ffc0: 00001000 00000000 0c800000 0000005b 2aeab008 000155fc 2aeaa008 00000000
ffe0: 00000000 7ea10b3c 0000adb0 2ae3fe6c 60000010 2aeab000 00000000 00000000
[<80143e84>] (release_pages+0xec/0x1f8) from [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4)
[<80161f50>] (free_pages_and_swap_cache+0x70/0xa4) from [<80154344>] (unmap_vmas+0x404/0x684)
[<80154344>] (unmap_vmas+0x404/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
[<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
[<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
[<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Code: e5941018 e5940000 e5843000 e5812004 (e5821000)
---[ end trace 3dfca1946218adfd ]---


U-Boot 2013.04-svn101 (Aug 30 2016 - 16:49:59)

CPU:   Freescale i.MX6Q rev1.5 at 792 MHz
Reset cause: POR
Board: SabreSD
DRAM:  1 GiB
WARNING: Caches not enabled
MMC:   FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
No panel detected: default to HDMI
unsupported panel HDMI
In:    serial
Out:   serial
Err:   serial
Net:   using phy at 5
FEC [PRIME]
Warning: failed to set MAC address

=================================

Board 2:

==================================

Jun 21 21:44:15 imx6qsabresd auth.info sshd[1811]: Accepted none for root from 192.168.10.10 port 46396 ssh2
Jun 21 21:44:15 imx6qsabresd auth.info sshd[1813]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 21 21:44:15 imx6qsabresd auth.info sshd[1813]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 03:49:39 imx6qsabresd user.alert kernel: BUG: Bad page state in process stress  pfn:22b84
Jun 22 03:49:39 imx6qsabresd user.alert kernel: page:8ba57080 count:1 mapcount:0 mapping:  (null) index:0x31843
Jun 22 03:49:39 imx6qsabresd user.alert kernel: page flags: 0x40000000()
Jun 22 03:49:39 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<8013fba0>] (bad_page+0x9c/0xf8)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: [<8013fba0>] (bad_page+0x9c/0xf8) from [<80140114>] (get_page_from_freelist+0x420/0x51c)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: [<80140114>] (get_page_from_freelist+0x420/0x51c) from [<8014083c>] (__alloc_pages_nodemask+0xf0/0x6cc)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: [<8014083c>] (__alloc_pages_nodemask+0xf0/0x6cc) from [<8015557c>] (handle_pte_fault+0x5e0/0x7d8)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: [<8015557c>] (handle_pte_fault+0x5e0/0x7d8) from [<80155820>] (handle_mm_fault+0xac/0x140)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: [<80155820>] (handle_mm_fault+0xac/0x140) from [<800c74c8>] (do_page_fault+0x1b4/0x31c)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: [<800c74c8>] (do_page_fault+0x1b4/0x31c) from [<800b6394>] (do_DataAbort+0x34/0x9c)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: [<800b6394>] (do_DataAbort+0x34/0x9c) from [<800bc5a0>] (ret_from_exception+0x0/0x10)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: Exception stack(0xbfa69fb0 to 0xbfa69ff8)
Jun 22 03:49:39 imx6qsabresd user.warn kernel: 9fa0:                                     2ed27008 0000005a 03f1b000 00000000
Jun 22 03:49:39 imx6qsabresd user.warn kernel: 9fc0: 00001000 00000000 0c800000 00000000 2ae0d008 000155fc 2ae0c008 00000000
Jun 22 03:49:39 imx6qsabresd user.warn kernel: 9fe0: 00000002 7eeb6ad0 2ad48374 0000acfc 00000010 ffffffff
Jun 22 03:49:39 imx6qsabresd user.warn kernel: Disabling lock debugging due to kernel taint
Jun 22 09:43:37 imx6qsabresd user.alert kernel: BUG: Bad page map in process stress  pte:1e2d175f pmd:34687831
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page:8b9c5a20 count:1 mapcount:-1 mapping:ba2b55f1 index:0x2ea26
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page flags: 0x40080068(uptodate|lru|active|swapbacked)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: addr:2ea26000 vm_flags:00100073 anon_vma:ba2b55f0 mapping:  (null) index:2ea26
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<801523a8>] (print_bad_pte+0x120/0x198)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801523a8>] (print_bad_pte+0x120/0x198) from [<801544a4>] (unmap_vmas+0x564/0x684)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801544a4>] (unmap_vmas+0x564/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
Jun 22 09:43:37 imx6qsabresd user.debug kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 860 host->next_data.cookie 861
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: BUG: Bad page map in process stress  pte:1e2d375f pmd:34687831
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page:8b9c5a60 count:1 mapcount:-1 mapping:ba2b55f1 index:0x2ea28
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page flags: 0x40080068(uptodate|lru|active|swapbacked)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: addr:2ea28000 vm_flags:00100073 anon_vma:ba2b55f0 mapping:  (null) index:2ea28
Jun 22 09:43:37 imx6qsabresd user.alert kernel: BUG: Bad page map in process stress  pte:317c075f pmd:3500f831
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page:8bc2f800 count:1 mapcount:-1 mapping:ba638fa1 index:0x302ac
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page flags: 0x40080068(uptodate|lru|active|swapbacked)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: addr:302ac000 vm_flags:00100073 anon_vma:ba638fa0 mapping:  (null) index:302ac
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<801523a8>] (print_bad_pte+0x120/0x198)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801523a8>] (print_bad_pte+0x120/0x198) from [<801544a4>] (unmap_vmas+0x564/0x684)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801544a4>] (unmap_vmas+0x564/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: BUG: Bad page state in process stress  pfn:317c0
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page:8bc2f800 count:0 mapcount:-1 mapping:  (null) index:0x302ac
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page flags: 0x40080008(uptodate|swapbacked)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<8013fba0>] (bad_page+0x9c/0xf8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<8013fba0>] (bad_page+0x9c/0xf8) from [<8013fce8>] (free_pages_prepare+0xec/0xf8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<8013fce8>] (free_pages_prepare+0xec/0xf8) from [<801412c4>] (free_hot_cold_page+0x20/0x1b4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801412c4>] (free_hot_cold_page+0x20/0x1b4) from [<80141644>] (__pagevec_free+0x2c/0x38)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80141644>] (__pagevec_free+0x2c/0x38) from [<80143ef8>] (release_pages+0x160/0x1f8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80143ef8>] (release_pages+0x160/0x1f8) from [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4) from [<80154344>] (unmap_vmas+0x404/0x684)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80154344>] (unmap_vmas+0x404/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: BUG: Bad page map in process stress  pte:317ca75f pmd:34dc8831
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page:8bc2f940 count:1 mapcount:-1 mapping:ba638fa1 index:0x30d55
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page flags: 0x40080068(uptodate|lru|active|swapbacked)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: addr:30d55000 vm_flags:00100073 anon_vma:ba638fa0 mapping:  (null) index:30d55
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<801523a8>] (print_bad_pte+0x120/0x198)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801523a8>] (print_bad_pte+0x120/0x198) from [<801544a4>] (unmap_vmas+0x564/0x684)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801544a4>] (unmap_vmas+0x564/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: BUG: Bad page state in process stress  pfn:317ca
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page:8bc2f940 count:0 mapcount:-1 mapping:  (null) index:0x30d55
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page flags: 0x40080008(uptodate|swapbacked)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<8013fba0>] (bad_page+0x9c/0xf8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<8013fba0>] (bad_page+0x9c/0xf8) from [<8013fce8>] (free_pages_prepare+0xec/0xf8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<8013fce8>] (free_pages_prepare+0xec/0xf8) from [<801412c4>] (free_hot_cold_page+0x20/0x1b4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801412c4>] (free_hot_cold_page+0x20/0x1b4) from [<80141644>] (__pagevec_free+0x2c/0x38)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80141644>] (__pagevec_free+0x2c/0x38) from [<80143ef8>] (release_pages+0x160/0x1f8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80143ef8>] (release_pages+0x160/0x1f8) from [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4) from [<80154344>] (unmap_vmas+0x404/0x684)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80154344>] (unmap_vmas+0x404/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<801523a8>] (print_bad_pte+0x120/0x198)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801523a8>] (print_bad_pte+0x120/0x198) from [<801544a4>] (unmap_vmas+0x564/0x684)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801544a4>] (unmap_vmas+0x564/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Jun 22 09:43:37 imx6qsabresd user.alert kernel: BUG: Bad page state in process stress  pfn:1e2d3
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page:8b9c5a60 count:-1 mapcount:-1 mapping:  (null) index:0x2ea28
Jun 22 09:43:37 imx6qsabresd user.alert kernel: page flags: 0x40080008(uptodate|swapbacked)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<8013fba0>] (bad_page+0x9c/0xf8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<8013fba0>] (bad_page+0x9c/0xf8) from [<8013fce8>] (free_pages_prepare+0xec/0xf8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<8013fce8>] (free_pages_prepare+0xec/0xf8) from [<801412c4>] (free_hot_cold_page+0x20/0x1b4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<801412c4>] (free_hot_cold_page+0x20/0x1b4) from [<80141644>] (__pagevec_free+0x2c/0x38)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80141644>] (__pagevec_free+0x2c/0x38) from [<80143f68>] (release_pages+0x1d0/0x1f8)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80143f68>] (release_pages+0x1d0/0x1f8) from [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4) from [<80154344>] (unmap_vmas+0x404/0x684)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80154344>] (unmap_vmas+0x404/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
Jun 22 09:43:37 imx6qsabresd user.warn kernel: [<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Jun 22 09:43:38 imx6qsabresd user.alert kernel: BUG: Bad page state in process stress  pfn:1e2d1
Jun 22 09:43:38 imx6qsabresd user.alert kernel: page:8b9c5a20 count:-1 mapcount:-1 mapping:  (null) index:0x2ea26
Jun 22 09:43:38 imx6qsabresd user.alert kernel: page flags: 0x40080008(uptodate|swapbacked)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<800c372c>] (unwind_backtrace+0x0/0x138) from [<8013fba0>] (bad_page+0x9c/0xf8)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<8013fba0>] (bad_page+0x9c/0xf8) from [<8013fce8>] (free_pages_prepare+0xec/0xf8)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<8013fce8>] (free_pages_prepare+0xec/0xf8) from [<801412c4>] (free_hot_cold_page+0x20/0x1b4)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<801412c4>] (free_hot_cold_page+0x20/0x1b4) from [<80141644>] (__pagevec_free+0x2c/0x38)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80141644>] (__pagevec_free+0x2c/0x38) from [<80143f68>] (release_pages+0x1d0/0x1f8)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80143f68>] (release_pages+0x1d0/0x1f8) from [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80161f50>] (free_pages_and_swap_cache+0x70/0xa4) from [<80154344>] (unmap_vmas+0x404/0x684)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80154344>] (unmap_vmas+0x404/0x684) from [<80157648>] (unmap_region+0xb8/0x1a4)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80157648>] (unmap_region+0xb8/0x1a4) from [<80158684>] (do_munmap+0x1fc/0x2a4)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80158684>] (do_munmap+0x1fc/0x2a4) from [<80159988>] (sys_munmap+0x40/0x54)
Jun 22 09:43:38 imx6qsabresd user.warn kernel: [<80159988>] (sys_munmap+0x40/0x54) from [<800bc600>] (ret_fast_syscall+0x0/0x30)
Jun 22 12:48:14 imx6qsabresd auth.info sshd[22190]: Accepted none for root from 192.168.10.10 port 53284 ssh2
Jun 22 12:48:14 imx6qsabresd auth.info sshd[22192]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 12:48:14 imx6qsabresd auth.info sshd[22192]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 12:50:57 imx6qsabresd auth.info sshd[22195]: Accepted none for root from 192.168.10.10 port 53292 ssh2
Jun 22 12:50:57 imx6qsabresd auth.info sshd[22197]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 12:50:57 imx6qsabresd auth.info sshd[22197]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 12:50:59 imx6qsabresd auth.info sshd[22195]: Received disconnect from 192.168.10.10: 11: disconnected by user
Jun 22 12:51:21 imx6qsabresd auth.info sshd[22216]: Accepted none for root from 192.168.10.10 port 53296 ssh2
Jun 22 12:51:21 imx6qsabresd auth.info sshd[22218]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 12:51:21 imx6qsabresd auth.info sshd[22218]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 12:52:26 imx6qsabresd auth.info sshd[22221]: Accepted none for root from 192.168.10.10 port 53302 ssh2
Jun 22 12:52:26 imx6qsabresd auth.info sshd[22223]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 12:52:26 imx6qsabresd auth.info sshd[22223]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 17:30:41 imx6qsabresd user.warn kernel: Invalid temperature, force it to 25C
Jun 22 18:02:38 imx6qsabresd auth.info sshd[7930]: Accepted none for root from 192.168.10.10 port 56028 ssh2
Jun 22 18:02:38 imx6qsabresd auth.info sshd[7932]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 18:02:38 imx6qsabresd auth.info sshd[7932]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 18:02:58 imx6qsabresd auth.info sshd[7930]: Received disconnect from 192.168.10.10: 11: disconnected by user
Jun 22 19:42:52 imx6qsabresd auth.info sshd[13811]: Accepted none for root from 192.168.10.10 port 57842 ssh2
Jun 22 19:42:52 imx6qsabresd auth.info sshd[13813]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 19:42:52 imx6qsabresd auth.info sshd[13813]: lastlog_openseek: Couldn't stat /var/log/lastlog: No such file or directory
Jun 22 19:54:57 imx6qsabresd user.warn kernel: Invalid temperature, force it to 25C
Jun 23 02:51:16 imx6qsabresd user.alert kernel: Unable to handle kernel paging request at virtual address fffffffc
Jun 23 02:51:16 imx6qsabresd user.alert kernel: pgd = 80004000
Jun 23 02:51:16 imx6qsabresd user.alert kernel: [fffffffc] *pgd=4fffe821, *pte=00000000, *ppte=00000000
Jun 23 02:51:16 imx6qsabresd user.debug kernel: [sdhci_pre_dma_transfer] invalid cookie: data->host_cookie 1052 host->next_data.cookie 1053
Jun 23 02:51:16 imx6qsabresd user.emerg kernel: Internal error: Oops: 80000007 [#1] SMP
Jun 23 02:51:16 imx6qsabresd user.warn kernel: Modules linked in:
Jun 23 02:51:16 imx6qsabresd user.warn kernel: CPU: 0    Tainted: G    B        (3.0.35-magik2mx6_0.1-svn98 #1)
Jun 23 02:51:16 imx6qsabresd user.warn kernel: PC is at 0xfffffffc
Jun 23 02:51:16 imx6qsabresd user.warn kernel: LR is at 0x2ac62d00
Jun 23 02:51:16 imx6qsabresd user.warn kernel: pc : [<fffffffc>]    lr : [<2ac62d00>]    psr: 60070010
Jun 23 02:51:16 imx6qsabresd user.warn kernel: sp : 7efe56e0  ip : 00000000  fp : ffffffff
Jun 23 02:51:16 imx6qsabresd user.warn kernel: r10: ffffffa9  r9 : 00000000  r8 : 00000020
Jun 23 02:51:16 imx6qsabresd user.warn kernel: r7 : 80841cd8  r6 : 00000020  r5 : a7b82000  r4 : 808a2820
Jun 23 02:51:16 imx6qsabresd user.warn kernel: r3 : ffffffff  r2 : ffffffa9  r1 : 800b82f8  r0 : 0bf52000
Jun 23 02:51:16 imx6qsabresd user.warn kernel: Flags: nZCv  IRQs on  FIQs on  Mode USER_32  ISA ARM  Segment user
Jun 23 02:51:16 imx6qsabresd user.warn kernel: Control: 10c53c7d  Table: 378e404a  DAC: 00000015
Jun 23 02:51:16 imx6qsabresd user.emerg kernel: Process top (pid: 13807, stack limit = 0xa7b822f0)
Jun 23 02:51:16 imx6qsabresd user.warn kernel: ---[ end trace 6b35173f96d77c07 ]---
Jun 23 02:51:16 imx6qsabresd user.alert kernel: Fixing recursive fault but reboot is needed!
Jun 23 05:47:34 imx6qsabresd user.warn kernel: Invalid temperature, force it to 25C
Jun 23 08:04:13 imx6qsabresd user.warn kernel: Invalid temperature, force it to 25C

==================================================================

Best Regards,

Shilpa

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