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Date: Mon, 20 Feb 2023 11:45:59 +0530
From: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To: "James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
bvanassche@....org, hare@...e.de, hch@....de, ming.lei@...hat.com,
sumanesh.samanta@...adcom.com, michael.christie@...cle.com,
john.garry@...wei.com, johannes.thumshirn@....com, axboe@...nel.dk,
osandov@...com, kashyap.desai@...adcom.com,
gregkh@...uxfoundation.org
Subject: scsi: Recent kernels drop into emergency shell
On a freshly installed system, booting latest upstream kernels causes the
system to drop into emergency shell. The reason for dropping into emergency
shell is system is unable to mount /home partition.
The system was able to boot properly on v5.18 kernel, but failed to boot
v5.19 and 6.2-rc8 kernels.
On the recent or failing kernels, I see the below msg when kernel drops into
emergency shell.
lvm[1370]: /dev/sda3 excluded: device is not in devices file.
lvm[1370]: WARNING: no autoactivation for /dev/sda3: system.devices naa.60050768108001b3a800000000000097 current missing device id.
systemd[1]: dev-mapper-rhel_ltcden3\x2d\x2dlp9\x2dhome.device: Job dev-mapper-rhel_ltcden3\x2d\x2dlp9\x2dhome.device/start timed out.
systemd[1]: Timed out waiting for device /dev/mapper/rhel_ltcden3--lp9-home.
systemd[1]: Dependency failed for /home.
systemd[1]: Dependency failed for Local File Systems.
systemd[1]: Dependency failed for Mark the need to relabel after reboot.
systemd[1]: selinux-autorelabel-mark.service: Job selinux-autorelabel-mark.service/start failed with result 'dependency'.
systemd[1]: local-fs.target: Job local-fs.target/start failed with result 'dependency'.
systemd[1]: local-fs.target: Triggering OnFailure= dependencies.
systemd[1]: home.mount: Job home.mount/start failed with result 'dependency'.
systemd[1]: dev-mapper-rhel_ltcden3\x2d\x2dlp9\x2dhome.device: Job dev-mapper-rhel_ltcden3\x2d\x2dlp9\x2dhome.device/start failed with result 'timeout'.
lsblk o/p when system has fallen into ememrgency shell (aka bad kernel)
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 100G 0 disk
ââsda1 8:1 0 4M 0 part
ââsda2 8:2 0 1G 0 part /boot
ââsda3 8:3 0 99G 0 part
âârhel_ltcden3--lp9-root 253:0 0 63.8G 0 lvm /
âârhel_ltcden3--lp9-swap 253:1 0 4G 0 lvm [SWAP]
sr0 11:0 1 1024M 0 rom
lsblk o/p when system boots normally on v5.18 or earlier kernels
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 100G 0 disk
ââsda1 8:1 0 4M 0 part
ââsda2 8:2 0 1G 0 part /boot
ââsda3 8:3 0 99G 0 part
âârhel_ltcden3--lp9-root 253:0 0 63.8G 0 lvm /
âârhel_ltcden3--lp9-swap 253:1 0 4G 0 lvm [SWAP]
âârhel_ltcden3--lp9-home 253:2 0 31.2G 0 lvm /home
sr0 11:0 1 1024M 0 rom
lvdisplay o/p when system has fallen into emergency shell (aka bad kernel)
Devices file sys_wwid naa.60050768108001b3a800000000000097 PVID iws5FZqBFBVE12w874dFuppLWkQUyEcb last seen on /dev/sda3 not found.
lvdisplay o/p when system boots normally on v5.18 or earlier kernels
--- Logical volume ---
LV Path /dev/rhel_ltcden3-lp9/swap
LV Name swap
VG Name rhel_ltcden3-lp9
LV UUID pzxuKG-ofVC-7jBY-HXn9-RDPN-G3hP-K5gdcI
LV Write Access read/write
LV Creation host, time ltcden3-lp9, 2023-01-24 09:44:21 +0530
LV Status available
# open 2
LV Size <4.01 GiB
Current LE 1026
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
--- Logical volume ---
LV Path /dev/rhel_ltcden3-lp9/home
LV Name home
VG Name rhel_ltcden3-lp9
LV UUID XDcVN6-kP6V-0LtL-nLM4-rvLv-gMQm-uaDRwi
LV Write Access read/write
LV Creation host, time ltcden3-lp9, 2023-01-24 09:44:26 +0530
LV Status available
# open 1
LV Size 31.16 GiB
Current LE 7977
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:2
--- Logical volume ---
LV Path /dev/rhel_ltcden3-lp9/root
LV Name root
VG Name rhel_ltcden3-lp9
LV UUID sJlMVf-eE2v-UKJp-Esqg-uxis-wA1Y-gOXFnO
LV Write Access read/write
LV Creation host, time ltcden3-lp9, 2023-01-24 09:44:36 +0530
LV Status available
# open 1
LV Size 63.82 GiB
Current LE 16339
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
git bisect start '--'
# bad: [3d7cb6b04c3f3115719235cc6866b10326de34cd] Linux 5.19
git bisect bad 3d7cb6b04c3f3115719235cc6866b10326de34cd
# good: [4b0986a3613c92f4ec1bdc7f60ec66fea135991f] Linux 5.18
git bisect good 4b0986a3613c92f4ec1bdc7f60ec66fea135991f
# bad: [c011dd537ffe47462051930413fed07dbdc80313] Merge tag 'arm-soc-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
git bisect bad c011dd537ffe47462051930413fed07dbdc80313
# good: [7e062cda7d90543ac8c7700fc7c5527d0c0f22ad] Merge tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
git bisect good 7e062cda7d90543ac8c7700fc7c5527d0c0f22ad
# good: [f8122500a039abeabfff41b0ad8b6a2c94c1107d] Merge branch 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux into drm-next
git bisect good f8122500a039abeabfff41b0ad8b6a2c94c1107d
# good: [2518f226c60d8e04d18ba4295500a5b0b8ac7659] Merge tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm
git bisect good 2518f226c60d8e04d18ba4295500a5b0b8ac7659
# good: [f7a344468105ef8c54086dfdc800e6f5a8417d3e] ASoC: max98090: Move check for invalid values before casting in max98090_put_enab_tlv()
git bisect good f7a344468105ef8c54086dfdc800e6f5a8417d3e
# bad: [fbe86daca0ba878b04fa241b85e26e54d17d4229] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
git bisect bad fbe86daca0ba878b04fa241b85e26e54d17d4229
# bad: [f304d35e59958ea4be399f78e5be08d4a0c4db75] scsi: mpi3mr: Update driver version to 8.0.0.69.0
git bisect bad f304d35e59958ea4be399f78e5be08d4a0c4db75
# good: [21c2e3418d07955c7b87fc3f75688cb1c2b04a32] scsi: ufs: Remove the TRUE and FALSE definitions
git bisect good 21c2e3418d07955c7b87fc3f75688cb1c2b04a32
# good: [671a52f2aeafe2f42bddb53dcfe3933b1f641843] scsi: fnic: Remove unneeded flush_workqueue()
git bisect good 671a52f2aeafe2f42bddb53dcfe3933b1f641843
# bad: [d657700ccac71da19a4d1a591fafcd598ce0dd6e] scsi: core: Do not truncate INQUIRY data on modern devices
git bisect bad d657700ccac71da19a4d1a591fafcd598ce0dd6e
# good: [c5acd61dbb32b6bda0f3a354108f2b8dcb788985] scsi: megaraid: Fix error check return value of register_chrdev()
git bisect good c5acd61dbb32b6bda0f3a354108f2b8dcb788985
# good: [dc1178767cba9d67f5100fb370670fd613319362] scsi: mpt3sas: Use cached ATA Information VPD page
git bisect good dc1178767cba9d67f5100fb370670fd613319362
# bad: [e17d63403076affccd72d195f93bbf3f39514005] scsi: core: Pick suitable allocation length in scsi_report_opcode()
git bisect bad e17d63403076affccd72d195f93bbf3f39514005
# bad: [c92a6b5d63359dd6d2ce6ea88ecd8e31dd769f6b] scsi: core: Query VPD size before getting full page
git bisect bad c92a6b5d63359dd6d2ce6ea88ecd8e31dd769f6b
# first bad commit: [c92a6b5d63359dd6d2ce6ea88ecd8e31dd769f6b] scsi: core: Query VPD size before getting full page
Commit c92a6b5d6335 ("scsi: core: Query VPD size before getting full page")
went in between v5.18 and v5.19.
Verifications:
I have verified that reverting the said bad commit on top of v6.2-rc8, v5.19
and on top of c92a6b5d63359dd6d2ce6ea88ecd8e31dd769f6b causes the system to
boot normally.
--
Thanks and Regards
Srikar Dronamraju
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