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Writing to 0x199 (MSR_IA32_PERF_CTL) is failed in Amazon EC2 incetance

KCS Solution updated on 08 Jun 2023, 5:12 AM GMT - 0 -

0

Red Hat Enterprise Linux for x86_64
XEN virtual system hang due to hypervisor stall

KCS Solution updated on 07 Jun 2023, 8:11 PM GMT - 0 -

0

Red Hat Enterprise Linux
In Hypervisor list the total number of vCPU in each hypervisor shown only 4, in all type of compute 14 core/18 Core/20 Core compute

KCS Solution updated on 07 Jun 2023, 12:19 PM GMT - 0 -

0

Red Hat OpenStack Platform
ksmtuned process consuming 100% CPU for extended period of time

KCS Solution updated on 07 Jun 2023, 6:47 AM GMT - 1 -

0

Red Hat Enterprise Linux, Red Hat Virtualization
Kernel panic with "BUG: unable to handle kernel paging request" in the code path of module 'tmhook' and 'twnotify'.

KCS Solution updated on 07 Jun 2023, 6:17 AM GMT - 0 -

0

Red Hat Enterprise Linux
Why does Red Hat Enterprise Linux 7 not remove the old kernel-devel package after installing a new one?

KCS Solution updated on 07 Jun 2023, 6:13 AM GMT - 0 -

0

Red Hat Enterprise Linux
Running "modprobe -r hvcs" RHEL 8 VM crashes with Kernel Panic and reboots

KCS Solution updated on 07 Jun 2023, 5:01 AM GMT - 0 -

0

Red Hat Enterprise Linux for Power 9
How to use the collectl utility to troubleshoot performance issues in Red Hat Enterprise Linux

Knowledge Article updated on 06 Jun 2023, 4:05 PM GMT - 13 -

4

Red Hat Enterprise Linux
/dev/random does not blocks anymore in RHEL 9

Knowledge Article updated on 06 Jun 2023, 10:34 AM GMT - 0 -

0

Red Hat Enterprise Linux
Severe performance degradation observed where slub_debug=P for poisoning is turned on in all slab caches

KCS Solution updated on 05 Jun 2023, 4:01 AM GMT - 0 -

0

Red Hat Enterprise Linux
RHEL8: Soft lockup at scan_swap_map_try_ssd_cluster()

KCS Solution updated on 05 Jun 2023, 1:02 AM GMT - 0 -

0

Red Hat Enterprise Linux for ARM 64
RHEL 8.7: io.max in cgroup2 does not limit IO

KCS Solution updated on 05 Jun 2023, 12:41 AM GMT - 0 -

0

Red Hat Enterprise Linux
Running the ReaR recovery reboots the system with an error: hpwdt: Unexpected close, not stopping watchdog

KCS Solution updated on 03 Jun 2023, 1:02 PM GMT - 0 -

0

Red Hat Enterprise Linux
System reboots after running the ReaR recovery system

KCS Solution updated on 03 Jun 2023, 10:35 AM GMT - 0 -

0

Red Hat Enterprise Linux
Oracle RAC Node rebooted due to "VFS: file-max limit 65536 reached"

KCS Solution updated on 03 Jun 2023, 3:55 AM GMT - 0 -

0

Red Hat Enterprise Linux
The constant logging of "kernel: CMCI storm subsided" errors

KCS Solution updated on 02 Jun 2023, 5:50 PM GMT - 0 -

0

Red Hat Enterprise Linux
The constant logging of "kernel: CMCI storm subsided" errors causes performance impact

KCS Solution updated on 02 Jun 2023, 5:41 PM GMT - 0 -

0

Red Hat Enterprise Linux
Running job returns error "OCI runtime error: create keyring ... Disk quota exceeded" in Red Hat Ansible Automation Platform 2.x

KCS Solution updated on 02 Jun 2023, 1:42 PM GMT - 4 -

0

Red Hat Ansible Automation Platform
A hard lockup occurs due to a spinlock deadlock between start_flush_work() and __queue_work(). The spinlock is the system_wq's per-CPU pwq->pool->lock spinlock.

KCS Solution updated on 02 Jun 2023, 10:17 AM GMT - 0 -

0

Red Hat Enterprise Linux for x86_64
System crash with soft lockups during I/O to ahci connected devices

KCS Solution updated on 02 Jun 2023, 7:49 AM GMT - 0 -

0

Red Hat Enterprise Linux
High CPU usage of 'bxa-linux' process.

KCS Solution updated on 01 Jun 2023, 1:29 PM GMT - 0 -

0

Red Hat Enterprise Linux
System crash due to corrupted mem_cgroup_idr in RHEL 7.

KCS Solution updated on 01 Jun 2023, 8:40 AM GMT - 0 -

0

Red Hat Enterprise Linux
In the context of tmpfs, is mount option size=100% permitted in RHEL 8?

KCS Solution updated on 01 Jun 2023, 8:38 AM GMT - 0 -

0

Red Hat Enterprise Linux
What does "<...>" indicate in place of a task's name in Ftrace output in RHEL 7?

KCS Solution updated on 01 Jun 2023, 8:33 AM GMT - 0 -

0

Red Hat Enterprise Linux
A server crashes due to a hard lockup happened on a CPU on which a task is calling run_rebalance_domains() and getting stuck waiting on rq.lock spinlock of another CPU

KCS Solution updated on 01 Jun 2023, 8:17 AM GMT - 0 -

0

Red Hat Enterprise Linux

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kernel

Writing to 0x199 (MSR_IA32_PERF_CTL) is failed in Amazon EC2 incetance

XEN virtual system hang due to hypervisor stall

In Hypervisor list the total number of vCPU in each hypervisor shown only 4, in all type of compute 14 core/18 Core/20 Core compute

ksmtuned process consuming 100% CPU for extended period of time

Kernel panic with "BUG: unable to handle kernel paging request" in the code path of module 'tmhook' and 'twnotify'.

Why does Red Hat Enterprise Linux 7 not remove the old kernel-devel package after installing a new one?

Running "modprobe -r hvcs" RHEL 8 VM crashes with Kernel Panic and reboots

How to use the collectl utility to troubleshoot performance issues in Red Hat Enterprise Linux

/dev/random does not blocks anymore in RHEL 9

Severe performance degradation observed where slub_debug=P for poisoning is turned on in all slab caches

RHEL8: Soft lockup at scan_swap_map_try_ssd_cluster()

RHEL 8.7: io.max in cgroup2 does not limit IO

Running the ReaR recovery reboots the system with an error: hpwdt: Unexpected close, not stopping watchdog

System reboots after running the ReaR recovery system

Oracle RAC Node rebooted due to "VFS: file-max limit 65536 reached"

The constant logging of "kernel: CMCI storm subsided" errors

The constant logging of "kernel: CMCI storm subsided" errors causes performance impact

Running job returns error "OCI runtime error: create keyring ... Disk quota exceeded" in Red Hat Ansible Automation Platform 2.x

A hard lockup occurs due to a spinlock deadlock between start_flush_work() and __queue_work(). The spinlock is the system_wq's per-CPU pwq->pool->lock spinlock.

System crash with soft lockups during I/O to ahci connected devices

High CPU usage of 'bxa-linux' process.

System crash due to corrupted mem_cgroup_idr in RHEL 7.

In the context of tmpfs, is mount option size=100% permitted in RHEL 8?

What does "<...>" indicate in place of a task's name in Ftrace output in RHEL 7?

A server crashes due to a hard lockup happened on a CPU on which a task is calling run_rebalance_domains() and getting stuck waiting on rq.lock spinlock of another CPU

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