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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1977760

Title:
  Disks connected to SAS expander/JBOD can't be connected/accessed

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When starting up drives connected by SAS expanders (e.g. inside JBOD cases), 
those disk do not show up and dmesgs notes the following error:
  mpt3sas_cm0: failure at 
drivers/scsi/mpt3sas/mpt3sas_scsih.c:6955/_scsih_expander_add()!

  It seems there is some kind of limit in terms of expanders (attached
  to different HBA Ports) which didn't previously exist. This error
  occurs at least under Ubuntu 20.04 and 22.04.

  Current config: Ubuntu 22.04 LTS (5.15.0-35-generic #36-Ubuntu SMP Sat
  May 21 02:24:07 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux)

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-image-5.15.0-35-generic 5.15.0-35.36
  ProcVersionSignature: Ubuntu 5.15.0-35.36-generic 5.15.35
  Uname: Linux 5.15.0-35-generic x86_64
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl icp
  AlsaDevices:
   total 0
   drwxr-xr-x  2 root root       60 Jun  5 14:07 by-path
   crw-rw----+ 1 root audio 116,  2 Jun  5 14:07 controlC0
   crw-rw----+ 1 root audio 116,  1 Jun  5 14:07 seq
   crw-rw----+ 1 root audio 116, 33 Jun  5 14:07 timer
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k5.15.0-35-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: N/A
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  CasperMD5CheckResult: pass
  Date: Mon Jun  6 16:16:57 2022
  HotplugNewDevices:
   
  HotplugNewMounts:
   
  InstallationDate: Installed on 2022-06-05 (1 days ago)
  InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Release amd64 
(20220421)
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  MachineType: QEMU Standard PC (Q35 + ICH9, 2009)
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 bochs-drmdrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-35-generic 
root=UUID=0d9d27ee-535c-4da0-baec-ee3a6b4a7ba4 ro mpt3sas.max_queue_depth=10000
  RelatedPackageVersions:
   linux-restricted-modules-5.15.0-35-generic N/A
   linux-backports-modules-5.15.0-35-generic  N/A
   linux-firmware                             20220329.git681281e4-0ubuntu3.2
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  Symptom: storage
  UdevMonitorLog:
   monitor will print the received events for:
   UDEV - the event which udev sends out after rule processing
  UdisksMonitorLog:
   Monitoring the udisks daemon. Press Ctrl+C to exit.
   16:17:00.150: The udisks-daemon is running (name-owner :1.4).
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/06/2015
  dmi.bios.release: 0.0
  dmi.bios.vendor: EFI Development Kit II / OVMF
  dmi.bios.version: 0.0.0
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-q35-6.2
  dmi.modalias: 
dmi:bvnEFIDevelopmentKitII/OVMF:bvr0.0.0:bd02/06/2015:br0.0:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-6.2:cvnQEMU:ct1:cvrpc-q35-6.2:sku:
  dmi.product.name: Standard PC (Q35 + ICH9, 2009)
  dmi.product.version: pc-q35-6.2
  dmi.sys.vendor: QEMU

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