sixth iteration --- after 135 the major number goes back to 8 and didn't observe system crash
  8,   0 Oct 30 09:01 /dev/sda
   8,   1 Oct 30 09:01 /dev/sda1
   8,   2 Oct 30 09:01 /dev/sda2
   8,   3 Oct 30 09:01 /dev/sda3
 134, 576 Oct 31 19:31 /dev/sdabm
134, 577 Oct 31 19:31 /dev/sdabm1
 134, 592 Oct 31 19:31 /dev/sdabn
 134, 608 Oct 31 19:31 /dev/sdabo
 134, 609 Oct 31 19:31 /dev/sdabo1
 134, 624 Oct 31 19:31 /dev/sdabp
 134, 640 Oct 31 19:31 /dev/sdabq
 134, 641 Oct 31 19:31 /dev/sdabq1
 134, 656 Oct 31 19:31 /dev/sdabr
 134, 672 Oct 31 19:32 /dev/sdabs
 134, 688 Oct 31 19:32 /dev/sdabt
 134, 704 Oct 31 19:32 /dev/sdabu
 134, 720 Oct 31 19:32 /dev/sdabv
 134, 736 Oct 31 19:33 /dev/sdabw
 134, 737 Oct 31 19:33 /dev/sdabw1
 134, 752 Oct 31 19:33 /dev/sdabx
 135, 512 Oct 31 19:33 /dev/sdaby
 135, 513 Oct 31 19:33 /dev/sdaby1
 135, 528 Oct 31 19:33 /dev/sdabz
 135, 544 Oct 31 19:33 /dev/sdaca
 135, 545 Oct 31 19:33 /dev/sdaca1
 135, 560 Oct 31 19:33 /dev/sdacb
 135, 576 Oct 31 19:34 /dev/sdacc
 135, 577 Oct 31 19:34 /dev/sdacc1
 135, 592 Oct 31 19:34 /dev/sdacd
 135, 608 Oct 31 19:35 /dev/sdace
 135, 624 Oct 31 19:35 /dev/sdacf
 135, 640 Oct 31 19:35 /dev/sdacg
 135, 641 Oct 31 19:35 /dev/sdacg1
 135, 656 Oct 31 19:35 /dev/sdach
 135, 672 Oct 31 19:36 /dev/sdaci
 135, 673 Oct 31 19:36 /dev/sdaci1
 135, 688 Oct 31 19:36 /dev/sdacj
 135, 704 Oct 31 19:36 /dev/sdack
 135, 720 Oct 31 19:36 /dev/sdacl
   8, 768 Oct 31 19:38 /dev/sdaco
  8, 784 Oct 31 19:38 /dev/sdacp
   8, 800 Oct 31 19:40 /dev/sdacq
   8, 801 Oct 31 19:40 /dev/sdacq1
   8, 816 Oct 31 19:39 /dev/sdacr
   8, 832 Oct 31 19:40 /dev/sdacs
   8, 833 Oct 31 19:40 /dev/sdacs1
   8, 848 Oct 31 19:40 /dev/sdact
   8, 864 Oct 31 19:41 /dev/sdacu
   8, 880 Oct 31 19:41 /dev/sdacv
   8, 896 Oct 31 19:41 /dev/sdacw
   8, 912 Oct 31 19:41 /dev/sdacx
   8, 928 Oct 31 19:42 /dev/sdacy
   8, 944 Oct 31 19:42 /dev/sdacz
   8, 960 Oct 31 19:44 /dev/sdada
   8, 976 Oct 31 19:44 /dev/sdadb
   8,  16 Oct 30 09:01 /dev/sdb
   8,  17 Oct 30 09:01 /dev/sdb1
  8,  18 Oct 30 09:01 /dev/sdb2
   8,  32 Oct 30 09:01 /dev/sdc
   8,  33 Oct 30 09:01 /dev/sdc1
   8,  48 Oct 30 09:01 /dev/sdd
   8,  49 Oct 30 09:01 /dev/sdd1
   8,  64 Oct 30 09:01 /dev/sde
   8,  65 Oct 30 09:01 /dev/sde1
   8,  80 Oct 30 09:01 /dev/sdf
   8,  81 Oct 30 09:01 /dev/sdf1
   8,  82 Oct 30 09:01 /dev/sdf2
   8,  96 Oct 30 09:01 /dev/sdg
   8,  97 Oct 30 09:01 /dev/sdg1
   8,  98 Oct 30 09:01 /dev/sdg2
   8, 112 Oct 30 09:01 /dev/sdh
   8, 128 Oct 30 09:01 /dev/sdi
   8, 129 Oct 30 09:01 /dev/sdi1
   8, 130 Oct 30 09:01 /dev/sdi2
   8, 144 Oct 30 09:01 /dev/sdj
   8, 160 Oct 30 09:01 /dev/sdk
   8, 176 Oct 30 09:01 /dev/sdl
   8, 177 Oct 30 09:01 /dev/sdl1
   8, 178 Oct 30 09:01 /dev/sdl2
   8, 192 Oct 30 09:01 /dev/sdm
   8, 208 Oct 30 09:01 /dev/sdn
   8, 224 Oct 30 09:01 /dev/sdo
   8, 240 Oct 30 09:01 /dev/sdp
  65,   0 Oct 30 09:01 /dev/sdq
  65,  16 Oct 30 09:01 /dev/sdr