Android7.0 MTK solution for compiling OTA update package error cocould not append verity data!

Android7.0 MTK solution for compiling OTA update package error cocould not append verity data!

1. An error is reported when the OTA update package is compiled in the MTK solution of Android7.0, as shown below:

Could not append verity data!: error: file_write: incomplete writeFailed to write sparse fileTraceback (most recent call last):  File "./build/tools/releasetools/add_img_to_target_files", line 376, in 
 
      main(sys.argv[1:])  File "./build/tools/releasetools/add_img_to_target_files", line 370, in main    AddImagesToTargetFiles(args[0])  File "./build/tools/releasetools/add_img_to_target_files", line 313, in AddImagesToTargetFiles    AddSystem(output_zip, recovery_img=recovery_image, boot_img=boot_image)  File "./build/tools/releasetools/add_img_to_target_files", line 70, in AddSystem    block_list=block_list)  File "./build/tools/releasetools/add_img_to_target_files", line 78, in BuildSystem    return CreateImage(input_dir, info_dict, "system", block_list=block_list)  File "./build/tools/releasetools/add_img_to_target_files", line 151, in CreateImage    assert succ, "build " + what + ".img image failed"AssertionError: build system.img image failed
 

Ii. Solution

Run df-h as follows:

df -hFilesystem                            Size  Used Avail Use% Mounted onudev                                   32G  4.0K   32G   1% /devtmpfs                                 6.3G   52M  6.3G   1% /run/dev/dm-1                              12G  9.2G  1.8G  85% /none                                  4.0K     0  4.0K   0% /sys/fs/cgroupnone                                  5.0M     0  5.0M   0% /run/locknone                                   32G   80K   32G   1% /run/shm

The root directory has only 1. 8 GB of available space. During the compilation of the OTA package, many intermediate files will be stored in the/tmp directory, and 1.8G is not enough, resulting in compilation errors.

The fundamental solution is to increase the partition space of/tmp.

Temporary solution:

Cd/tmp

Rm-rf *

Delete the files in the/tmp directory, clear the space, and then compile.