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Wen Xiong 7df47cdf19 scsi: ipr: System crashes when seeing type 20 error 
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: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-06-29 16:46:08 -04:00
arch Handle power-gating of AMD IOMMU perf counters properly when they are used. 2021-05-09 13:00:26 -07:00
block scsi: blkcg: Add app identifier support for blkcg 2021-06-10 10:01:32 -04:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto for-5.13/drivers-2021-04-27 2021-04-28 14:39:37 -07:00
Documentation scsi: core: Kill message byte 2021-05-31 22:48:24 -04:00
drivers scsi: ipr: System crashes when seeing type 20 error 2021-06-29 16:46:08 -04:00
fs 3 small SMB3 chmultichannel related changesets (also for stable) 2021-05-09 13:19:29 -07:00
include scsi: blkcg: Add app identifier support for blkcg 2021-06-10 10:01:32 -04:00
init Merge branch 'akpm' (patches from Andrew) 2021-05-07 00:34:51 -07:00
ipc ipc/sem.c: spelling fix 2021-05-07 00:26:34 -07:00
kernel scsi: cgroup: Add cgroup_get_from_id() 2021-06-10 10:01:31 -04:00
lib Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
LICENSES LICENSES: Add the CC-BY-4.0 license 2020-12-08 10:33:27 -07:00
mm mm: fix typos in comments 2021-05-07 00:26:35 -07:00
net Networking fixes for 5.13-rc1, including fixes from bpf, can 2021-05-08 08:31:46 -07:00
samples Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
scripts Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
security Simple code cleanup 2021-05-05 12:08:06 -07:00
sound sound fixes for 5.13-rc1 2021-05-07 11:40:18 -07:00
tools Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: Boost vCPU candidate in user mode which is delivering interrupt 2021-04-21 12:20:03 -04:00
.clang-format cxl for 5.12 2021-02-24 09:38:36 -08:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap It's been a relatively busy cycle in docsland, though more than usually 2021-04-26 13:22:43 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS scsi: MAINTAINERS: Add mpi3mr driver maintainers 2021-06-28 23:13:25 -04:00
Makefile Linux 5.13-rc1 2021-05-09 14:17:44 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.