Mac 的内存条这么容易坏么。。。memtest

啊，自带的 8GB，加了 32GB，然后升级到 Big Sur 后就频繁崩溃重启六国语言，最近突然觉得可能是内存问题，就检测了一下，发现很多坏点。。。这就蛋疼了。

Memtest version 4.22 (64-bit)
Copyright (C) 2004 Charles Cazabon
Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
Licensed under the GNU General Public License version 2 only

NOTE: No command-line arguments have been specified
Using defaults: Test all available memory, one test pass, no logfile

macOS 11.3.1 (20E241) running in multiuser mode
Memory Page Size: 4096
System has 16 Intel core(s) with SSE
Requested memory: 228MB (239243264 bytes)
Available memory: 228MB (239243264 bytes)
Allocated memory: 228MB (239243264 bytes) at local address 0x00000001081bb000
Attempting memory lock... locked successfully
Partitioning memory into 2 comparison buffers...
Buffer A: 114MB (119621632 bytes) starts at local address 0x00000001081bb000
Buffer B: 114MB (119621632 bytes) starts at local address 0x000000010f3cf800

Running 1 test sequence... (CTRL-C to quit)

Test sequence 1 of 1:

Running tests on full 228MB region...
  Stuck Address       : ok
  Linear PRN          : ok
Running comparison tests using 114MB buffers...
  Random Value        : ok
  Compare XOR         : ok
  Compare SUB         : ok
  Compare MUL         : ok
  Compare DIV         : ok
  Compare OR          : ok
  Compare AND         : ok
  Sequential Increment: ok
  Solid Bits          : ok
  Block Sequential    : ok
  Checkerboard        : ok
  Bit Spread          : testing 116 of 128

FAILURE! Data mismatch at local BUFA address 0x000000010ba87798, BUFB address 0x0000000112c9bf98
BUFA Data: 0xffffffffffffafff, BUFB Data: 0xffdfffffffffafff


  Bit Flip            : testing  42 of 512

FAILURE! Data mismatch at local BUFA address 0x0000000108bd7ad8, BUFB address 0x000000010fdec2d8
BUFA Data: 0xffdfffffffffffdf, BUFB Data: 0xffffffffffffffdf

  Walking Ones        : ok
  Walking Zeroes      : ok

*** Memory Test Failed ***  Please check transcript for details.
Execution time: 31 seconds.