./mttest rw1long fails

[komamitsu]

./mttest rw1long fails.

$ uname -a
Linux onion 6.9.3-76060903-generic #202405300957~1732141768~22.04~f2697e1 SMP PREEMPT_DYNAMIC Wed N x86_64 x86_64 x86_64 GNU/Linux

$ free -h
               total        used        free      shared  buff/cache   available
Mem:            30Gi       8.2Gi        12Gi       145Mi        10Gi        20Gi
Swap:           19Gi       6.0Gi        13Gi

$ lscpu
Architecture:             x86_64                                                               
  CPU op-mode(s):         32-bit, 64-bit                                                       
  Address sizes:          48 bits physical, 48 bits virtual                                   
  Byte Order:             Little Endian                                                                                                                                                       
CPU(s):                   16          
  On-line CPU(s) list:    0-15        
Vendor ID:                AuthenticAMD    
  Model name:             AMD Ryzen 9 5900HS with Radeon Graphics
    CPU family:           25
    Model:                80
    Thread(s) per core:   2
    Core(s) per socket:   8
    Socket(s):            1
    Stepping:             0
    CPU max MHz:          4680.0000
    CPU min MHz:          400.0000
    BogoMIPS:             6588.03
    Flags:                fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_g
                          ood nopl xtopology nonstop_tsc cpuid extd_apicid aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm c
                          mp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp
                          _l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xs
                          aves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local user_shstk clzero irperf xsaveerptr rdpru wbnoinvd cppc arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean
                           flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip pku ospke vaes vpclmulqdq rdpid overflow_recov succor smca fsrm debug_
                          swap
Virtualization features:  
  Virtualization:         AMD-V
Caches (sum of all):      
  L1d:                    256 KiB (8 instances) 
  L1i:                    256 KiB (8 instances) 
  L2:                     4 MiB (8 instances)
  L3:                     16 MiB (1 instance)
NUMA:                     
  NUMA node(s):           1
  NUMA node0 CPU(s):      0-15
Vulnerabilities:          
  Gather data sampling:   Not affected
  Itlb multihit:          Not affected
  L1tf:                   Not affected
  Mds:                    Not affected
  Meltdown:               Not affected
  Mmio stale data:        Not affected
  Reg file data sampling: Not affected
  Retbleed:               Not affected
  Spec rstack overflow:   Vulnerable: Safe RET, no microcode
  Spec store bypass:      Mitigation; Speculative Store Bypass disabled via prctl
  Spectre v1:             Mitigation; usercopy/swapgs barriers and __user pointer sanitization
  Spectre v2:             Mitigation; Retpolines; IBPB conditional; IBRS_FW; STIBP always-on; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected
  Srbds:                  Not affected
  Tsx async abort:        Not affected

$ ./bootstrap.sh
$ ./configure
$ make
$ ./mttest rw1long > ~/tmp/rw1long.log 2>&1                                                                                                           
Aborted (core dumped)
$ cat ~/tmp/rw1long.log
1/1 rw1long/m
2: now getting
8: now getting
0: now getting
5: now getting
15: now getting
10: now getting
11: now getting
4: now getting
14: now getting
12: now getting
3: now getting
7: now getting
9: now getting
1: now getting
13: now getting
6: now getting
14: get(machine760381645) failed (expected 760381646)
14: get(machine760381645) failed (expected 760381646)
internode 0x7c3aeca03e80[3]: 5 keys, version 40000020, parent (nil)
  internode 0x7c3afa000140[2]: 8 keys, version 400, parent 0x7c3aeca03e80
    internode 0x7c3b04c00000[1]: 10 keys, version 810, parent 0x7c3afa000140
      leaf 0x7c3b08e00000: 11 keys, version 80000428, permutation 137824cd96e:0a5b, parent 0x7c3b04c00000, prev (nil), next 0x7c3b05a00700 [ksuf x4]
        fartpara = SUBTREE #1/128         

...

          0x7c39c3360440[1.10] 96677
            leaf 0x7c3a90ea3980: 15 keys, version 80000400, permutation 0cb6e2451d3897a:, parent 0x7c39c3360440, prev 0x7c39dae8d040, next 0x7c3967a24400
              96677 = 999996678 @2557148376.238240 #0/5
              96742 = 999996743 @2557148376.238674 #c/5
              96858 = 999996859 @2557148376.238402 #b/5
              96990 = 999996991 @2557148376.238674 #6/5
    assertion "0" failed: file "mttest.cc", line 555
./mttest(+0xa70d)[0x632c9e74a70d]
/lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7c3b0a642520]
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x12c)[0x7c3b0a6969fc]
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16)[0x7c3b0a642476]
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd3)[0x7c3b0a6287f3]
./mttest(+0x54e0e)[0x632c9e794e0e]
./mttest(+0x1821c)[0x632c9e75821c]
./mttest(+0x194b2)[0x632c9e7594b2]
./mttest(+0x24d88)[0x632c9e764d88]
./mttest(+0x13adb)[0x632c9e753adb]
./mttest(+0x18895)[0x632c9e758895]
/lib/x86_64-linux-gnu/libc.so.6(+0x94ac3)[0x7c3b0a694ac3]
/lib/x86_64-linux-gnu/libc.so.6(+0x126850)[0x7c3b0a726850]