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[Jian Hui Lee <2072637@xxxxxxxxxxxxxxxxxx>]

issue could only be seen on this particular usb storage:

$ sudo sginfo -A /dev/sda
INQUIRY response (cmd: 0x12)
----------------------------
Device Type                        0
Vendor:                     USB
Product:                    SanDisk 3.2Gen1
Revision level:            1.00

the test case intends to send 'TEST UNIT READY' command to see if the buffer from kernel to userspace is something uninitialized.
but under this specific usb storage, it always returns some structured data, for example:

0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x21(!) 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x22(") 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x23(#) 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x24($) 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x25(%) 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x26(&) 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x27(') 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x28(() 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x29()) 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x2a(*) 0x39(9) 0x1() 0x8) 
0x55(U) 0x53(S) 0x42(B) 0x53(S) 0x2b(+) 0x39(9) 0x1() 0x8) 
...

scsi command ref:
https://www.seagate.com/files/staticfiles/support/docs/manual/Interface%20manuals/100293068j.pdf

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https://bugs.launchpad.net/bugs/2072637

Title:
  ubuntu_ltp_syscalls: ioctl_sg01 failed on jammy linux-mtk 5.15

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found with jammy linux-mtk 5.15.0-1032.37 in sru-d2024.05.27
  Instance:	mtk-g700

  did not see the same issue on the other models: mtk-g1200, mtk-g510,
  mtk-g350

  tst_test.c:1733: TINFO: LTP version: 20240524
  tst_test.c:1617: TINFO: Timeout per run is 1h 00m 30s
  ioctl_sg01.c:81: TCONF: Could not find any usable SCSI device

  Summary:
  passed   0
  failed   0
  broken   0
  skipped  1
  warnings 0

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