[Qemu-devel] [Bug 1015226] Re: arm realview pbx hung

[Peter Maydell]

I'm closing this bug as invalid since it has sat with insufficient
information to reproduce for more than six months with no further info
or followup from the original bug submitter. If you'd like to provide
the info I asked for, please feel free to reopen the bug and do so.


** Changed in: qemu
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1015226

Title:
  arm realview pbx hung

Status in QEMU:
  Invalid

Bug description:
  host(pc):ubuntu 10.1
  qemu:qemu-1.1.0-1
  target:realview-pbx-a9
  kernel:2.6.34.10
  gcc:4.4.6

  command line, and output as follow:
  -----------------------------------------
  address@hidden:~/qemu$ qemu-system-arm -M realview-pbx-a9 -kernel 
~/emb_linux/trunk/bsp/versatile_qemu/kernel/linux-2.6.34.10/arch/arm/boot/zImage
 -initrd rootfs.ext2 -nographic -append "console=ttyAMA0 earlyprintk"
  Uncompressing Linux... done, booting the kernel.
  Linux version 2.6.34.10 (address@hidden) (gcc version 4.4.6 (crosstool-NG 
1.13.2 - hsan-5115) ) #40 SMP Tue Jun 19 18:53:13 BST 2012
  CPU: ARMv7 Processor [410fc090] revision 0 (ARMv7), cr=10c53c7f
  CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
  Machine: ARM-RealView PBX
  Ignoring unrecognised tag 0x00000000
  bootconsole [earlycon0] enabled
  Memory policy: ECC disabled, Data cache writealloc
  Ignoring RAM at 80000000-8fffffff (vmalloc region overlap).
  realview_pbx_map_io:117
  realview_pbx_map_io:119
  >>>>>>>>>hung here
  QEMU: Terminated
  -----------------------------------------

  modify code to add some debug info
  -----------------------------------------
  arch/arm/mach-realview/realview_pbx.c
  line 115:
  static void __init realview_pbx_map_io(void)
  {
  printk("%s:%d\r\n", __FUNCTION__, __LINE__);
          iotable_init(realview_pbx_io_desc, ARRAY_SIZE(realview_pbx_io_desc));
  printk("%s:%d\r\n", __FUNCTION__, __LINE__);            //!!!!!!! the last 
printk output
          if (core_tile_pbx11mp() || core_tile_pbxa9mp())   //!!!!!!! hung here 
(here is a read to system control register 0x100000XX) !!!!!!
  {
  printk("%s:%d\r\n", __FUNCTION__, __LINE__);
                  iotable_init(realview_local_io_desc, 
ARRAY_SIZE(realview_local_io_desc));
  printk("%s:%d\r\n", __FUNCTION__, __LINE__);
  }
  }
  -----------------------------------------

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