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    scsi: ipr: System crashes when seeing type 20 error · 7df47cdf
    Wen Xiong authored
    Test team saw "4041: Incomplete multipath connection between enclosure and
    device" when I/O drawers/drives have bad connections. System crashes when
    handling these type 20 errors.
    
    [    5.332452] ipr: 3/00-06-09: 4041: Incomplete multipath connection between enclosure and device
    [    5.332460] ipr: 3/00-06-09: The IOA failed to detect an expected path to a device
    [    5.332465] ipr: 3/00-06-09: Inactive path is failed: Resource Path=3/00-04-09
    [    5.332471] ipr: 3/00-06-09: Functional IOA port: Resource Path=3/00-04, Link rate=unknown, WWN=5005076059C38E05
    [    5.332478] ipr: 3/00-06-09: Incorrectly connected Device LUN: Resource Path=3/00-00-00-00-00-00-00-00-00-20-00-00-24-00-00-00-0, Link rate=unknown, WWN=0020000024000000
    [    5.332487] ipr: 3/00-06-09: Path element=FF: Resource Path=3/50-05-07-60-45-56-5A-9C-00-00-00-00-00-00-00-00-0, Link rate=unknown WWN=0000000000000000
    [    5.332492] ipr: 00000000: 54520EC8 00000000 00000000 4E532050
    [    5.332495] ipr: 00000010: 45522054 49434B3D 00000050 278130E6
    [    5.332498] ipr: 00000020: 033B5300 03282584 4C4D00E0 278039F3
    [    5.332501] ipr: 00000030: 033B5180 03282404 4C4D00E0 276A0282
    [    5.332504] ipr: 00000040: 033B5000 03281E04 447000E0 27697D19
    [    5.332507] ipr: 00000050: 033B4E80 03281D84 447000E0 27690524
    [    5.332509] ipr: 00000060: 033B4D00 03281C84 447000E0 27687FDA
    [    5.332512] ipr: 00000070: 033B4B80 03281C04 447000E0 2767E787
    [    5.332515] ipr: 00000080: 033B4A00 03281B04 447000E0 27674F0A
    
    Link: https://lore.kernel.org/r/1624587085-10073-1-git-send-email-wenxiong@linux.vnet.ibm.com
    
    
    Acked-by: default avatarBrian King <brking@linux.vnet.ibm.com>
    Signed-off-by: default avatarWen Xiong <wenxiong@linux.vnet.ibm.com>
    Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
    7df47cdf