- Notes, cautions, and warnings
- Release summary
- Compatibility
- New and enhanced in RHEL 8 release
- Important notes
- Fixes
- The system hangs, and a kernel soft lockup error is observed when OMSA is installed
- I/O related errors are observed in dmesg
- RHEL 8.8 and RHEL 9.2 failed to boot
- Unattended operating system installation fails in RHEL using server configuration profile method
- RHEL 8.6 drops into maintenance mode while booting
- RHEL 8.6 fails to boot when UEFI secure boot is enabled BIOS
- Lspci utility lists HBA350i MM/ HBA350i MM LP as generic SAS devices
- RHEL 8.5 boot fails with Intel Corporation Ethernet Controller E810
- NetworkManager may restart unexpectedly when creating greater than 256 VLAN devices configured with DHCP IP
- RHEL 8.3 installer does not automatically locate the source installation repository when only inst.stage2=hd boot option is used
- The output of the systemctl status command displays the status as thawing
- RHEL 8 does not discover FCoE LUNs connected over Broadcom BCM57XXX NICs
- System may drop into emergency mode during boot process
- The version field in the output of the modinfo command for certain networking drivers is null
- System hangs when Intel tboot is used to boot the operating system
- BIOS update does not complete when an update is performed using the Linux .BIN files
- Dmesg shows drm related call trace in RHEL 8.3
- Operating system crashes on servers with NVIDIA GPGPUs
- Dmesg and /var/log/messages display AMD-Vi related messages
- The status of the NetworkManager service may be inactive when RHEL 8.3 is rebooted
- Operating system crashes on AMD Rome CPU-based systems and with Intel E810 NIC
- The lvcreate command requests a response from the user when -wipesignature -yes parameters are passed
- The mdmonitor service displays an error during operating system installation
- The dmidecode utility displays the slot type as <OUT OF SPEC> for PCIe Gen 4 NVMe slots
- The mcelog utility logs only decoding architectural errors message in var/log/messages
- Disk drives part of MD RAID are not listed as installation destination by the installer
- Dell EMC OpenManage Storage Services utility fails to reconfigure the virtual disk
- Guest VMs with SRIOV VFs assigned take a long time to power on, and libvirt related errors are observed
- Dmesg displays Integrity Measurement Architecture (IMA) driver related-messages during system boot
- After every reboot, the network interface name changes
- Red Hat Enterprise Linux Version 8 installation wizard creates a duplicate bonding interface
- Servers with the AMD Rome processor display a CCP initialization failure message in dmesg
- PowerEdge servers with the AMD Rome processor fail to detect an NVMe drive after multiple hot plugs
- Operating system enters the dracut shell during boot
- System crashes when rebooted with SR-IOV-enabled QLogic cards
- After system reboot, Disk data format (DDF) devices are not listed in /proc/mdstat
- Updating NVMe firmware using the nvme-cli utility displays an error in dmesg
- Fatal error BDF 02:00.0 is detected with BCM574xx NICs
- NVMe devices are not detected after hot-plugging
- Linux operating system fails to detect the Intel x710 card
- Dmidecode displays OUT OF SPEC in Slot Type and Slot Length of SMBIOS system slots
- Custom partitioning fails with FC LUN
- When booting the system from iSCSI with Mellanox CX-4 and CX-5 adapters, the system reports csum failure message
- Red Hat Enterprise Linux 8 kernel panic is observed due to fatal hardware error
- Known issues
- The dmesg displays qat related messages
- Booting into operating system fails on systems with TPM 1.2 chips
- The anaconda installer crashes while autoconfiguring disk partitions
- FCoE session is not reestablished after MX9116N switch is rebooted
- Dmesg displays error messages when NVMe device is surprise removed
- Status of the RAID 0 logical volume is displayed as Available when one of the members of the RAID array is surprise removed
- /proc/mdstat and mdadm -D commands display incorrect statuses when two NVMe devices are surprise removed from a RAID 5 MD array
- Dell Controlled Turbo feature is not functional
- Caps Lock key-press is not registered on the Dell PowerEdge iDRAC virtual console
- Advanced Configuration and Power Interface (ACPI) error messages displayed in dmesg
- Drivers available in OEMDRV drive are not installed during the operating system installation
- The Mellanox IB devices are listed under an incorrect device category on Red Hat Enterprise Linux 8
- The lspci utility is unable to read Vital Product Data (VPD) from QLogic QLE2692 adapter
- Driver dependency mismatch errors reported while installing out-of-box drivers on Red Hat Enterprise Linux 8.x
- Dmesg displays TPM and nvdimm related-messages in Red Hat Enterprise Linux 8.1
- Link Up message is observed when the NVMe device slot is powered off and the device is unplugged
- Mellanox InfiniBand adapters are listed in Bluetooth
- iscsiadm output displays STATIC in the iface.bootproto field when the network interface is configured to DHCP
- When system reboots, system stops responding at the end of the reboot process
- Unable to shut down RHEL 8 when you select Graceful shutdown option or when you press power button on the server
- iSCSI LUN not discovered during RHEL 8 installation
- RHEL 8 installation fails on systems with Emulex OneConnect card
- Switching between runlevels fails
- Limitations
- Resources and support
- Contacting Dell EMC
Dell PowerEdge Systems Red Hat Enterprise Linux 8 Release Notes
System may drop into emergency mode during boot process
- Description
- System may drop into emergency mode during boot process if CPU Power Management is set to Maximum Performance in BIOS. For more information, see Red Hat Enterprise Linux Knowledge Base article 6130261.
- Workaround
- Pass module_blacklist=acpi_cpufreq to the boot loader.
- Solution
- The issue is resolved in Red Hat Enterprise Linux 8.5.
- Systems affected
- Dell PowerEdge R6515, Dell PowerEdge R7515, Dell PowerEdge R6525, Dell PowerEdge R7525, and Dell PowerEdge C6525.
- Applies to
- Red Hat Enterprise Linux 8.4
- Tracking number
- 200841
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