Xen 4.6 Hypervisor Fails to Boot and is Hanged in "Turning on Paging"

Xen 4.6 Hypervisor Fails to Boot and is Hanged in "Turning on Paging"

[Srini]

Xen 4.6 Hypervisor Fails to Boot and is Hanged in "Turning on Paging":


EVM : TI DRA7XX OMAP5
Xen versions - 4.6
Uboot version - 2016.05
Kernel Version - 4.4
Dev Host - 14.04
Output :- Turn on Paging error

Please find the below logs:-

Welcome to minicom 2.5

OPTIONS: I18n 
Compiled on May  2 2011, 10:05:24.
Port /dev/ttyUSB0

Press CTRL-A Z for help on special keys


U-Boot SPL 2016.05-gc8a0b5ceb8 (Aug 31 2017 - 13:18:46)
DRA752-GP ES1.0
no pinctrl for hs200_1_8v
no pinctrl for ddr_1_8v
*** Warning - bad CRC, using default environment

Trying to boot from MMC1
spl: falcon_args_file not set in environment, falling back to default
reading args
spl_load_image_fat_os: error reading image args, err - -1
reading u-boot.img
reading u-boot.img
reading u-boot.img
reading u-boot.img


U-Boot 2016.05-gc8a0b5ceb8 (Aug 31 2017 - 13:18:46 +0530)

CPU  : DRA752-GP ES1.0
Model: TI DRA742
Board: DRA74x EVM REV D.0
DRAM:  1.5 GiB
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - bad CRC, using default environment

GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
ERROR: cannot find partition: 'userdata'

at arch/arm/cpu/armv7/omap-common/utils.c:195/mmc_get_part_size()
Warning: fastboot.userdata_size: unable to calc
SCSI:  SATA link 0 timeout.
AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
flags: 64bit ncq stag pm led clo only pmp pio slum part ccc apst 
scanning bus for devices...
Found 0 device(s).
Net:   
Warning: ethernet@48484000 using MAC address from ROM
eth0: ethernet@48484000
Hit any key to stop autoboot:  0 
=> Ok
Unknown command 'Ok' - try 'help'
=> 
Unknown command 'Ok' - try 'help'
=> 
Unknown command 'Ok' - try 'help'
=> 
Unknown command 'Ok' - try 'help'
=> 
Unknown command 'Ok' - try 'help'
=> 
Unknown command 'Ok' - try 'help'
=> setenv dtb_addr_r 0x825f0000
=> setenv xen_addr_r 0x90000000
=> setenv kernel_addr_r 0xa0000000
=> setenv xen_bootargs 'sync_console console=dtuart dtuart=serial2'
=> setenv dom0_bootargs 'console=hvc0,115200n8 earlyprintk=xen debug
ignore_loglevel root=/dev/mmcblk0p2 rw rootwait fixrtc'
=> fatload mmc 0:1 $dtb_addr_r dra7-evm.dtb
reading dra7-evm.dtb
** Unable to read file dra7-evm.dtb **
=> fatload mmc 0:1 $dtb_addr_r devicetree-zImage-dra7-evm.dtb                                                               
reading devicetree-zImage-dra7-evm.dtb
108295 bytes read in 8 ms (12.9 MiB/s)
=> fatload mmc 0:1 $xen_addr_r xen-uImage
reading xen-uImage
820176 bytes read in 22 ms (35.6 MiB/s)
=> fatload mmc 0:1 $kernel_addr_r zImage
reading zImage
3551760 bytes read in 85 ms (39.8 MiB/s)
=> fdt addr $dtb_addr_r
=> fdt resize
=> fdt set /chosen xen,xen-bootargs \"$xen_bootargs\"
=> fdt resize
=> fdt set /chosen xen,dom0-bootargs \"$dom0_bootargs\"
=> fdt mknode /chosen modules
=> fdt set /chosen/modules '#address-cells' <1>
=> fdt set /chosen/modules '#size-cells' <1>
=> fdt mknode /chosen/modules module@0
=> fdt set /chosen/modules/module@0 compatible xen,linux-zimage
xen,multiboot-module
=> fdt set /chosen/modules/module@0 reg <$kernel_addr_r 0xa00000>
=> bootm $xen_addr_r - $dtb_addr_r
## Booting kernel from Legacy Image at 90000000 ...
   Image Name:   XEN
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    820112 Bytes = 800.9 KiB
   Load Address: 90000000
   Entry Point:  90000000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 825f0000
   Booting using the fdt blob at 0x825f0000
   Loading Kernel Image ... OK
   reserving fdt memory region: addr=825f0000 size=1b000
   Loading Device Tree to 8ffe2000, end 8fffffff ... OK

Starting kernel ...

- UART enabled -
- CPU 00000000 booting -
- Xen starting in Hyp mode -
- Zero BSS -
- Setting up control registers -
- Turning on paging -

 CTRL-A Z for help |115200 8N1 | NOR | Minicom 2.5    | VT102 |      Offline                                                                  




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Re: Xen 4.6 Hypervisor Fails to Boot and is Hanged in "Turning on Paging"

[Julien Grall]

Hi,

On 27/10/17 08:23, Srini wrote:
> Xen 4.6 Hypervisor Fails to Boot and is Hanged in "Turning on Paging":

Again, as I already said on embedded-pv-devel ML, why are you using Xen 
4.6? It was released 2 years ago and supported anymore.

You should try Xen 4.9 first and report if it still does not work.

Cheers,

> 
> 
> EVM : TI DRA7XX OMAP5
> Xen versions - 4.6
> Uboot version - 2016.05
> Kernel Version - 4.4
> Dev Host - 14.04
> Output :- Turn on Paging error
> 
> Please find the below logs:-
> 
> Welcome to minicom 2.5
> 
> OPTIONS: I18n
> Compiled on May  2 2011, 10:05:24.
> Port /dev/ttyUSB0
> 
> Press CTRL-A Z for help on special keys
> 
> 
> U-Boot SPL 2016.05-gc8a0b5ceb8 (Aug 31 2017 - 13:18:46)
> DRA752-GP ES1.0
> no pinctrl for hs200_1_8v
> no pinctrl for ddr_1_8v
> *** Warning - bad CRC, using default environment
> 
> Trying to boot from MMC1
> spl: falcon_args_file not set in environment, falling back to default
> reading args
> spl_load_image_fat_os: error reading image args, err - -1
> reading u-boot.img
> reading u-boot.img
> reading u-boot.img
> reading u-boot.img
> 
> 
> U-Boot 2016.05-gc8a0b5ceb8 (Aug 31 2017 - 13:18:46 +0530)
> 
> CPU  : DRA752-GP ES1.0
> Model: TI DRA742
> Board: DRA74x EVM REV D.0
> DRAM:  1.5 GiB
> MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
> *** Warning - bad CRC, using default environment
> 
> GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
> part_get_info_efi: *** ERROR: Invalid GPT ***
> GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
> part_get_info_efi: *** ERROR: Invalid Backup GPT ***
> ERROR: cannot find partition: 'userdata'
> 
> at arch/arm/cpu/armv7/omap-common/utils.c:195/mmc_get_part_size()
> Warning: fastboot.userdata_size: unable to calc
> SCSI:  SATA link 0 timeout.
> AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
> flags: 64bit ncq stag pm led clo only pmp pio slum part ccc apst
> scanning bus for devices...
> Found 0 device(s).
> Net:
> Warning: ethernet@48484000 using MAC address from ROM
> eth0: ethernet@48484000
> Hit any key to stop autoboot:  0
> => Ok
> Unknown command 'Ok' - try 'help'
> =>
> Unknown command 'Ok' - try 'help'
> =>
> Unknown command 'Ok' - try 'help'
> =>
> Unknown command 'Ok' - try 'help'
> =>
> Unknown command 'Ok' - try 'help'
> =>
> Unknown command 'Ok' - try 'help'
> => setenv dtb_addr_r 0x825f0000
> => setenv xen_addr_r 0x90000000
> => setenv kernel_addr_r 0xa0000000
> => setenv xen_bootargs 'sync_console console=dtuart dtuart=serial2'
> => setenv dom0_bootargs 'console=hvc0,115200n8 earlyprintk=xen debug
> ignore_loglevel root=/dev/mmcblk0p2 rw rootwait fixrtc'
> => fatload mmc 0:1 $dtb_addr_r dra7-evm.dtb
> reading dra7-evm.dtb
> ** Unable to read file dra7-evm.dtb **
> => fatload mmc 0:1 $dtb_addr_r devicetree-zImage-dra7-evm.dtb
> reading devicetree-zImage-dra7-evm.dtb
> 108295 bytes read in 8 ms (12.9 MiB/s)
> => fatload mmc 0:1 $xen_addr_r xen-uImage
> reading xen-uImage
> 820176 bytes read in 22 ms (35.6 MiB/s)
> => fatload mmc 0:1 $kernel_addr_r zImage
> reading zImage
> 3551760 bytes read in 85 ms (39.8 MiB/s)
> => fdt addr $dtb_addr_r
> => fdt resize
> => fdt set /chosen xen,xen-bootargs \"$xen_bootargs\"
> => fdt resize
> => fdt set /chosen xen,dom0-bootargs \"$dom0_bootargs\"
> => fdt mknode /chosen modules
> => fdt set /chosen/modules '#address-cells' <1>
> => fdt set /chosen/modules '#size-cells' <1>
> => fdt mknode /chosen/modules module@0
> => fdt set /chosen/modules/module@0 compatible xen,linux-zimage
> xen,multiboot-module
> => fdt set /chosen/modules/module@0 reg <$kernel_addr_r 0xa00000>
> => bootm $xen_addr_r - $dtb_addr_r
> ## Booting kernel from Legacy Image at 90000000 ...
>     Image Name:   XEN
>     Image Type:   ARM Linux Kernel Image (uncompressed)
>     Data Size:    820112 Bytes = 800.9 KiB
>     Load Address: 90000000
>     Entry Point:  90000000
>     Verifying Checksum ... OK
> ## Flattened Device Tree blob at 825f0000
>     Booting using the fdt blob at 0x825f0000
>     Loading Kernel Image ... OK
>     reserving fdt memory region: addr=825f0000 size=1b000
>     Loading Device Tree to 8ffe2000, end 8fffffff ... OK
> 
> Starting kernel ...
> 
> - UART enabled -
> - CPU 00000000 booting -
> - Xen starting in Hyp mode -
> - Zero BSS -
> - Setting up control registers -
> - Turning on paging -
> 
>   CTRL-A Z for help |115200 8N1 | NOR | Minicom 2.5    | VT102 |      Offline
> 
> 
> 
> 
> --
> Sent from: http://xen.1045712.n5.nabble.com/Xen-Dev-f2473738.html
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> https://lists.xen.org/xen-devel
> 

-- 
Julien Grall

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Re: Xen 4.6 Hypervisor Fails to Boot and is Hanged in "Turning on Paging"

[Doug Goldstein]

On 10/27/17 7:41 AM, Julien Grall wrote:
> Hi,
> 
> On 27/10/17 08:23, Srini wrote:
>> Xen 4.6 Hypervisor Fails to Boot and is Hanged in "Turning on Paging":
> 
> Again, as I already said on embedded-pv-devel ML, why are you using Xen
> 4.6? It was released 2 years ago and supported anymore.

I have an idea why.... see below..

> 
> You should try Xen 4.9 first and report if it still does not work.

Agreed.


>> EVM : TI DRA7XX OMAP5
>> Xen versions - 4.6
>> Uboot version - 2016.05
>> Kernel Version - 4.4
>> Dev Host - 14.04

14.04 here would imply he's running some Ubuntu for ARM build. Ubuntu
14.04 shipped with Xen 4.6.

-- 
Doug Goldstein

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