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  1. Qt
  2. QTBUG-86161

qt application eglfs crash on imx6qdl board after linux 4.14.174 upgrade

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P0: Blocker
    • Resolution: Incomplete
    • Affects Version/s: 5.6.3
    • Fix Version/s: None
    • Component/s: QPA: EGLFS
    • Labels:
      None
    • Platform/s:
      Linux/Yocto

      Description

      My working QT based HMI application crashing after upgrade to kernel 4.14.174

      MY CPU:imx6qdl

      The crash log:

      root@fusion:/opt/HMI/bin# ./HMI -platform eglfs
      QEglFSVivIntegration will set environment variable FB_MULTI_BUFFEUnable to handle kernel paging request at virtual address 50d3d904
      R=2 to enable double buffering anpgd = a95d4000
      d vsync.
      If this is not desired[50d3d904] *pgd=00000000
      , you can override this via: expoInternal error: Oops: 5 2 PREEMPT SMP ARM
      Modules linked in:
      CPU: 0 PID: 340 Comm: HMI Tainted: G D 4.14.174-ga-fusion+ga1a0dd213d72 #1
      Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
      task: a81af800 task.stack: a8076000
      PC is at gckDEVICE_Dispatch+0x30/0x124
      LR is at drv_ioctl+0x144/0x1f8
      pc : [<80705274>] lr : [<806fe068>] psr: 800d0013
      sp : a8077d60 ip : 7ed46cb0 fp : 7549fd34
      r10: 00000036 r9 : a8076000 r8 : 7ed46a28
      r7 : 00000051 r6 : a95cc900 r5 : a861c000 r4 : 00000051
      r3 : 50d3d860 r2 : 0000000b r1 : a8077d88 r0 : a86d0a00
      Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
      Control: 10c53c7d Table: 395d4059 DAC: 00000051
      Process HMI (pid: 340, stack limit = 0xa8076210)
      Stack: (0xa8077d60 to 0xa8078000)
      7d60: 00000051 806fe068 7ed46a78 00000000 00000190 00000000 7ed46a78 00000000
      7d80: 00000190 00000000 00000028 7ed46cb0 76f90808 7ed47e04 7582db8c 00000009
      7da0: 7549d4c0 754cab20 00000001 0d696914 76fa6a80 00000002 76fa8ad8 7ed46b20
      7dc0: 000002fa 7ed46b24 753bf8d4 76f86870 00000001 753c2874 000002fa 753c3714
      7de0: 76fa8ad8 7ed46b24 7ed46b20 7ed46b50 0000013b 00000000 bb797b34 753c3714
      7e00: 753bf8d4 05dbcbd9 753c3c17 753c3714 753c2874 7ed46b94 76fad908 76fadfa4
      7e20: aaaaaaab 76fa51c8 00000018 76fad908 00000000 00000000 753c3d82 bb797b34
      7e40: 00000000 76fa8c90 7ed46b94 753c3c17 7ed46bf4 76fa8ad8 7ed46b9c 76f872f8
      7e60: 7ed46b9c 76faea64 00000016 00000000 00000001 00000000 00000001 76fa8ad8
      7e80: 7ed46c24 76fa8c90 00000000 76f872f8 7ed46bcc 76faea64 00000016 00000000
      7ea0: 00000001 037fd108 00000001 753c2874 76fa8ad8 76fa8c90 00000000 00000000
      7ec0: 00000001 0229fb28 00000001 753be000 000f3518 76fa34d0 00000000 00000001
      7ee0: 000f4240 7549fd24 7549fd34 76f8c570 00000000 00000001 00000001 00000000
      7f00: 000f3214 753c2874 022a13e0 754c95a4 00000000 7ed46c5c 80f0aedc 7ed46a28
      7f20: a85d97a0 a95a3480 00007530 8021ae98 00000001 00000000 76fad908 809cfda0
      7f40: a814f700 8016fa5c 80e7ac34 00000000 00000047 00000000 80e7ac34 00000000
      7f60: 00000047 00000000 00000001 8016f10c a95a3480 a95a3480 00000006 00007530
      7f80: 7ed46a28 a8076000 00000036 8021b6f4 00002710 00007530 754c95a4 00000036
      7fa0: 80107ac4 801078c0 00002710 00007530 00000006 00007530 7ed46a28 022a17e8
      7fc0: 00002710 00007530 754c95a4 00000036 00000000 7ed46a78 00000190 7549fd34
      7fe0: 757b69e0 7ed46a14 754992a0 757b69ec 600d0010 00000006 00000000 00000000
      [<80705274>] (gckDEVICE_Dispatch) from [<806fe068>] (drv_ioctl+0x144/0x1f8)
      [<806fe068>] (drv_ioctl) from [<8021ae98>] (do_vfs_ioctl+0x9c/0x8c4)
      [<8021ae98>] (do_vfs_ioctl) from [<8021b6f4>] (SyS_ioctl+0x34/0x58)
      [<8021b6f4>] (SyS_ioctl) from [<801078c0>] (ret_fast_syscall+0x0/0x54)
      Code: e5913008 e3a0200b e0233c92 e0803103 (e593c0a4)
      rt QT_EGLFS_IMX6_NO_FB_MULTI_BUFFER=1
      --[ end trace bb430ff122e888b5 ]--
      Segmentation fault

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            Assignee:
            lagocs Laszlo Agocs
            Reporter:
            satyajit Satyajit Bhuyan
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              Dates

              Created:
              Updated:
              Resolved:

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