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Zdenek Kabelac 9a33388c1a tests: race on md raid still being hit on 5.12-rc6
Still hits the race in initialization:

kernel BUG at drivers/md/raid5.c:7549!
invalid opcode: 0000 [#1] SMP PTI
CPU: 0 PID: 525149 Comm: dmsetup Tainted: G           OEi
    --------- ---  5.12.0-0.rc6.184.fc35.x86_64 #1
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007
RIP: 0010:raid5_run+0x40b/0x4b0 [raid456]
Code: 00 8b 83 3c 01 00 00 39 83 bc 00 00 00 0f 85 ac 00 00 00
      48 c7 44 24 08 00 00 00 00 8b bb 30 01 00 00 85 ff 0f 84
      88 fd ff ff <0f> 0b 48 8b 43 48 48 c7 c6 40 93 92 c0 48
      c7 c7 70 2c 93 c0 48 85
Call Trace:
 md_run+0x4d6/0xbc0
 ? super_validate+0x2e1/0x4b0 [dm_raid]
 raid_ctr+0x133e/0x281b [dm_raid]
 dm_table_add_target+0x167/0x330
 table_load+0x103/0x350
 ctl_ioctl+0x1b4/0x430
 ? dev_suspend+0x2c0/0x2c0
 dm_ctl_ioctl+0xa/0x10
 __x64_sys_ioctl+0x82/0xb0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
2021-04-12 12:04:50 +02:00
..
2021-04-06 22:02:31 +02:00
2016-12-10 18:00:25 +00:00