Here it is (I think it should be obvious, but it is the SanDisK device I have problems with):
Thu Mar 1 14:38:07 2018
Command line: TestDisk
TestDisk 7.1-WIP, Data Recovery Utility, February 2018
Christophe GRENIER <
grenier@cgsecurity.org>
https://www.cgsecurity.org
OS: Windows Vista (6002) SP2
Compiler: GCC 6.4, Cygwin 2009.0
ext2fs lib: 1.43.1, ntfs lib: 10:0:0, reiserfs lib: none, ewf lib: 20140608, curses lib: ncurses 6.0
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=200049647616
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=8036285952
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=200049647616
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=8036285952
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=140207473152
filewin32_getfilesize(\\.\D:) GetFileSize err Incorrect function.
filewin32_setfilepointer(\\.\D:) SetFilePointer err Incorrect function.
Warning: can't get size for \\.\D:
filewin32_getfilesize(\\.\E:) GetFileSize err Incorrect function.
filewin32_setfilepointer(\\.\E:) SetFilePointer err Incorrect function.
Warning: can't get size for \\.\E:
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\F:)=100661248
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\G:)=8036285952
Hard disk list
Disk /dev/sda - 200 GB / 186 GiB - CHS 24321 255 63, sector size=512 - Hitachi
(number edited out), S/N:3830373036314242443630304857424347314744, FW:BBDOC33P
Disk /dev/sdb - 8036 MB / 7663 MiB - CHS 977 255 63, sector size=512 - SanDisk U3 Titanium, FW:7.01
Drive F: - 100 MB / 95 MiB - CHS 23 64 32, sector size=2048 - SanDisk U3 Titanium, FW:7.01
Partition table type defaults to Intel
Disk /dev/sdb - 8036 MB / 7663 MiB - SanDisk U3 Titanium
Partition table type: Intel
Analyse Disk /dev/sdb - 8036 MB / 7663 MiB - CHS 977 255 63
Current partition structure:
Partition sector doesn't have the endmark 0xAA55
search_part()
Disk /dev/sdb - 8036 MB / 7663 MiB - CHS 977 255 63
file_pread(5,2,buffer,15695871(977/5/52)) ReadFile The request could not be performed because of an I/O device error.
file_pread(5,1,buffer,15695871(977/5/52)) ReadFile The request could not be performed because of an I/O device error.
file_pread(5,2,buffer,15695872(977/5/53)) lseek err Invalid argument
file_pread(5,2,buffer,15697552(977/32/32)) lseek err Invalid argument
file_pread(5,1,buffer,15697552(977/32/32)) lseek err Invalid argument
file_pread(5,2,buffer,15697553(977/32/33)) lseek err Invalid argument
file_pread(5,2,buffer,15697616(977/33/33)) lseek err Invalid argument
file_pread(5,1,buffer,15697616(977/33/33)) lseek err Invalid argument
file_pread(5,14,buffer,15695874(977/5/55)) lseek err Invalid argument
file_pread(5,3,buffer,15695888(977/6/6)) lseek err Invalid argument
file_pread(5,3,buffer,15695935(977/6/53)) lseek err Invalid argument
file_pread(5,8,buffer,15695951(977/7/6)) lseek err Invalid argument
file_pread(5,11,buffer,15695998(977/7/53)) lseek err Invalid argument
file_pread(5,2,buffer,15697920(977/38/22)) lseek err Invalid argument
Results
interface_write()
No partition found or selected for recovery
search_part()
Disk /dev/sdb - 8036 MB / 7663 MiB - CHS 977 255 63
file_pread(5,2,buffer,15695871(977/5/52)) ReadFile The request could not be performed because of an I/O device error.
file_pread(5,1,buffer,15695871(977/5/52)) ReadFile The request could not be performed because of an I/O device error.
file_pread(5,2,buffer,15695872(977/5/53)) lseek err Invalid argument
file_pread(5,2,buffer,15697552(977/32/32)) lseek err Invalid argument
file_pread(5,1,buffer,15697552(977/32/32)) lseek err Invalid argument
file_pread(5,2,buffer,15697553(977/32/33)) lseek err Invalid argument
file_pread(5,2,buffer,15697616(977/33/33)) lseek err Invalid argument
file_pread(5,1,buffer,15697616(977/33/33)) lseek err Invalid argument
file_pread(5,1,buffer,15695871(977/5/52)) ReadFile The request could not be performed because of an I/O device error.
file_pread(5,1,buffer,15695872(977/5/53)) lseek err Invalid argument
Results
interface_write()
No partition found or selected for recovery
simulate write!
write_mbr_i386: starting...
Store new MBR code
write_all_log_i386: starting...
No extended partition
Interface Advanced
TestDisk exited normally.