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MIX6QuadPlus Sabre-ARD   MMU Exception!

Question asked by zhou lu on Jan 19, 2019
Latest reply on Jan 21, 2019 by igorpadykov

hi:Can you help me?  i am use  QNX BSP ,when i run screen ,like this erro。

I refer spf-28857 demo board desgin.

 

 

System page at phys:10023000 user:fc410000 kern:fc410000
Starting next program at vfe088e3c
cpu_startnext: cpu0 -> fe088e3c
Welcome to QNX Neutrino 6.6.0 on the Freescale i.mx6 Quad/Dual/DualLite/Solo/QuadPlus Sabre-ARD RevB (ARM Cortex-A9 MPCore)
setting env variables.
Starting Screen Graphics...
done.
# screen
Mempool Map addr range[28100000-2c700000]
Mempool Map paddr range[7b900000-7ff00000]
[Interrupt] Attached irqLine 41 with id 2.
[Interrupt] Attached irqLine 42 with id 3.
Attached resmgr to /dev/galcore with id:0.
[galcore] gckHARDWARE_DumpMMUException(6374): MMU Exception!
GPU[1](ChipModel=0x320 ChipRevision=0x5303):
**************************
***   GPU STATE DUMP   ***
**************************
  axi      = 0x00000084
  idle     = 0x7FFFFFFE
    FE not idle
  DMA appears to be stuck at this address:
    0x7B905048
  dmaLow   = 0x00000000
  dmaHigh  = 0x00000000
  dmaState = 0x00000000
    command state       = 0 (PAR_IDLE_ST)
    command DMA state   = 0 (CMD_IDLE_ST)
    command fetch state = 0 (FET_IDLE_ST)
    DMA request state   = 0 (REQ_IDLE_ST)
    cal state           = 0 (CAL_IDLE_ST)
    VE request state    = 0 (VER_IDLE_ST)
  Debug registers of pipe[0]:
    RA debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0x00000000
      [0x04] 0x00000000
      [0x05] 0x00000000
      [0x06] 0x00000000
      [0x07] 0x00000000
      [0x08] 0x00000000
      [0x09] 0x00000000
      [0x0A] 0x00000000
      [0x0B] 0x00000000
      [0x0C] 0x00000000
      [0x0D] 0x00000000
      [0x0E] 0x00000000
      [0x0F] 0x00000000
      failed to obtain the signature (read 0x00000000).
    TX debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0x00000000
      [0x04] 0x00000000
      [0x05] 0x00000000
      [0x06] 0x00000000
      [0x07] 0x00000000
      [0x08] 0x00000000
      [0x09] 0x00000000
      [0x0A] 0x00000000
      [0x0B] 0x00000000
      [0x0C] 0x00000000
      [0x0D] 0x00000000
      [0x0E] 0x00000000
      [0x0F] 0x00000000
      failed to obtain the signature (read 0x00000000).
    FE debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0x00000000
      [0x04] 0x00000000
      [0x05] 0x00000000
      [0x06] 0x00000000
      [0x07] 0x00000000
      [0x08] 0x00000000
      [0x09] 0x00000000
      [0x0A] 0x00000000
      [0x0B] 0x00000000
      [0x0C] 0x00000000
      [0x0D] 0x00000000
      [0x0E] 0x00000000
      [0x0F] 0x00000000
      failed to obtain the signature (read 0x00000000).
    PE debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0x00000000
      [0x04] 0xA40004F1
      [0x05] 0xABC54001
      [0x06] 0xBC000086
      [0x07] 0xCDE80040
      [0x08] 0xD0000000
      [0x09] 0x00000000
      [0x0A] 0x00000000
      [0x0B] 0x00000000
      [0x0C] 0xBABEF00D
      [0x0D] 0xBABEF00D
      [0x0E] 0xBABEF00D
      [0x0F] 0xBABEF00D
      signature = 0xBABEF00D (1 read attempt(s))
    DE debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0x00000000
      [0x04] 0x00000000
      [0x05] 0x00000000
      [0x06] 0x00000000
      [0x07] 0x00000000
      [0x08] 0x00000000
      [0x09] 0x00000000
      [0x0A] 0x00000000
      [0x0B] 0x00000000
      [0x0C] 0x00000000
      [0x0D] 0x00000000
      [0x0E] 0x00000000
      [0x0F] 0x00000000
      failed to obtain the signature (read 0x00000000).
    SH debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0x00000000
      [0x04] 0x00000000
      [0x05] 0x00000000
      [0x06] 0x00000000
      [0x07] 0x00000000
      [0x08] 0x00000000
      [0x09] 0x00000000
      [0x0A] 0x00000000
      [0x0B] 0x00000000
      [0x0C] 0x00000000
      [0x0D] 0x00000000
      [0x0E] 0x00000000
      [0x0F] 0x00000000
      failed to obtain the signature (read 0x00000000).
    PA debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0x00000000
      [0x04] 0x00000000
      [0x05] 0x00000000
      [0x06] 0x00000000
      [0x07] 0x00000000
      [0x08] 0x00000000
      [0x09] 0x00000000
      [0x0A] 0x00000000
      [0x0B] 0x00000000
      [0x0C] 0x00000000
      [0x0D] 0x00000000
      [0x0E] 0x00000000
      [0x0F] 0x00000000
      failed to obtain the signature (read 0x00000000).
    SE debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0x00000000
      [0x04] 0x00000000
      [0x05] 0x00000000
      [0x06] 0x00000000
      [0x07] 0x00000000
      [0x08] 0x00000000
      [0x09] 0x00000000
      [0x0A] 0x00000000
      [0x0B] 0x00000000
      [0x0C] 0x00000000
      [0x0D] 0x00000000
      [0x0E] 0x00000000
      [0x0F] 0x00000000
      failed to obtain the signature (read 0x00000000).
    MC debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00002BEA
      [0x03] 0x00000000
      [0x04] 0x12345678
      [0x05] 0x12345678
      [0x06] 0x12345678
      [0x07] 0x12345678
      [0x08] 0x12345678
      [0x09] 0x12345678
      [0x0A] 0x12345678
      [0x0B] 0x12345678
      [0x0C] 0x12345678
      [0x0D] 0x12345678
      [0x0E] 0x12345678
      [0x0F] 0x12345678
      signature = 0x12345678 (1 read attempt(s))
    HI debug registers:
      [0x00] 0x00000000
      [0x01] 0x00000000
      [0x02] 0x00000000
      [0x03] 0xAAAAAAAA
      [0x04] 0xAAAAAAAA
      [0x05] 0xAAAAAAAA
      [0x06] 0xAAAAAAAA
      [0x07] 0xAAAAAAAA
      [0x08] 0xAAAAAAAA
      [0x09] 0xAAAAAAAA
      [0x0A] 0xAAAAAAAA
      [0x0B] 0xAAAAAAAA
      [0x0C] 0xAAAAAAAA
      [0x0D] 0xAAAAAAAA
      [0x0E] 0xAAAAAAAA
      [0x0F] 0xAAAAAAAA
      signature = 0xAAAAAAAA (1 read attempt(s))
    Other Registers:
      [0x0040] 0x000000E0
      [0x0044] 0x00000000
      [0x004C] 0x00000000
      [0x0050] 0x00000000
      [0x0054] 0x00000000
      [0x0058] 0x000000E0
      [0x005C] 0x000000D6
      [0x0060] 0x000000D6
      [0x043C] 0x00000000
      [0x0440] 0x00000000
      [0x0444] 0x00000000
      [0x0414] 0x3C000000
[galcore]: GPU[1] hang, automatic recovery.
#

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