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RHEL7: Intermittent system performance slowness

KCS Solution updated on 14 Jun 2024, 2:30 PM GMT - 3 -

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Red Hat Enterprise Linux
Unable to detect nvme disk after booting with RHEL 7.6 kernel

KCS Solution updated on 14 Jun 2024, 2:28 PM GMT - 0 -

0

Red Hat Enterprise Linux
Why an interrupt is not being delivered across multiple CPUs when the interrupt has been routed to multiple CPUs by setting /proc/irq/IRQ_NUMBER/smp_affinity in RHEL?

KCS Solution updated on 14 Jun 2024, 2:28 PM GMT - 0 -

0

Red Hat Enterprise Linux
How to make the deadline I/O scheduler more write-friendly

KCS Solution updated on 14 Jun 2024, 2:28 PM GMT - 0 -

0

Red Hat Enterprise Linux
Rebuilding SAP Sybase ASE database indicies 4-8 times slower on kernels from RHEL 7.5 or newer

KCS Solution updated on 14 Jun 2024, 2:28 PM GMT - 0 -

0

Red Hat Enterprise Linux
WARNING: at kernel/signal.c:3058 do_rt_tgsigqueueinfo+0xac/0xc0()

KCS Solution updated on 14 Jun 2024, 2:27 PM GMT - 0 -

0

Red Hat Enterprise Linux
Hard lockup while scheduling out the 'migration/x' thread or while handling page fault with migrate_swap()->stop_two_cpus()

KCS Solution updated on 14 Jun 2024, 2:27 PM GMT - 0 -

0

Red Hat Enterprise Linux
bpftool prog dump jited `Error: can't get prog info (10): Bad address` message

KCS Solution updated on 14 Jun 2024, 2:27 PM GMT - 0 -

0

Red Hat Enterprise Linux
Many processes hang on nfs request_key() code.

KCS Solution updated on 14 Jun 2024, 2:27 PM GMT - 0 -

0

Red Hat Enterprise Linux
How to remove programs pinned to a file with the bpftool utility?

KCS Solution updated on 14 Jun 2024, 2:27 PM GMT - 0 -

0

Red Hat Enterprise Linux
PCP generating many SELinux violations

KCS Solution updated on 14 Jun 2024, 2:26 PM GMT - 0 -

0

Red Hat Enterprise Linux
nvmetcli command fails with "/sys/kernel/config/nvmet does not exist. Giving up."

KCS Solution updated on 14 Jun 2024, 2:25 PM GMT - 0 -

0

Red Hat Enterprise Linux
Consider increasing /proc/sys/fs/inotify/max_user_watches error received in logs

KCS Solution updated on 14 Jun 2024, 2:25 PM GMT - 1 -

0

Red Hat Enterprise Linux
system crashes when kernel module fileaccess_mod calls strlen

KCS Solution updated on 14 Jun 2024, 2:24 PM GMT - 0 -

0

Red Hat Enterprise Linux
kernel prints 'bad frame in setup_rt_frame' and kills process with signal 11 (sigsegv)

KCS Solution updated on 14 Jun 2024, 2:24 PM GMT - 1 -

0

Red Hat Enterprise Linux for Power, BE, Red Hat Enterprise Linux for IBM Power Little Endian
In RHEL 8, "/proc/timer_stats" is not available.

KCS Solution updated on 14 Jun 2024, 2:23 PM GMT - 0 -

0

Red Hat Enterprise Linux
How to trigger a kernel crash (vmcore) via Oracle ILOM

KCS Solution updated on 14 Jun 2024, 2:23 PM GMT - 0 -

0

Red Hat Enterprise Linux
Soft lockup or Hard lockup occurs due to race between ring_buffer_detach() and ring_buffer_wakeup().

KCS Solution updated on 14 Jun 2024, 2:23 PM GMT - 0 -

0

Red Hat Enterprise Linux
Why does RHEL7.3 kernel accept `kernel.hung_task_warnings=-1`?

KCS Solution updated on 14 Jun 2024, 2:23 PM GMT - 0 -

0

Red Hat Enterprise Linux
How to verify list of "isolated" and "nohz_full" CPU information from sysfs?

KCS Solution updated on 14 Jun 2024, 2:22 PM GMT - 0 -

0

Red Hat Enterprise Linux
kernel BUG at /data/workspace/Release-Linux-Build/ampcx/fireamp-linux/redirfs/src/redirfs/rfs_inode.c:61!

KCS Solution updated on 14 Jun 2024, 2:20 PM GMT - 1 -

0

Red Hat Enterprise Linux
Where can I find information about the available or in-use watchdog devices in a sosreport?

KCS Solution updated on 14 Jun 2024, 2:19 PM GMT - 1 -

0

Red Hat Enterprise Linux
How do I enable the software watchdog device (softdog)?

KCS Solution updated on 14 Jun 2024, 2:18 PM GMT - 0 -

0

Red Hat Enterprise Linux
Why does the mouse not work on RHEL 7.6 (with GUI) virtualbox guest?

KCS Solution updated on 14 Jun 2024, 2:18 PM GMT - 5 -

0

Red Hat Enterprise Linux
dentry with DCACHE_SHRINKING set but no task shrinking dcache in Red Hat Enterprise Linux 6

KCS Solution updated on 14 Jun 2024, 2:18 PM GMT - 0 -

0

Red Hat Enterprise Linux

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kernel

RHEL7: Intermittent system performance slowness

Unable to detect nvme disk after booting with RHEL 7.6 kernel

Why an interrupt is not being delivered across multiple CPUs when the interrupt has been routed to multiple CPUs by setting /proc/irq/IRQ_NUMBER/smp_affinity in RHEL?

How to make the deadline I/O scheduler more write-friendly

Rebuilding SAP Sybase ASE database indicies 4-8 times slower on kernels from RHEL 7.5 or newer

WARNING: at kernel/signal.c:3058 do_rt_tgsigqueueinfo+0xac/0xc0()

Hard lockup while scheduling out the 'migration/x' thread or while handling page fault with migrate_swap()->stop_two_cpus()

bpftool prog dump jited `Error: can't get prog info (10): Bad address` message

Many processes hang on nfs request_key() code.

How to remove programs pinned to a file with the bpftool utility?

PCP generating many SELinux violations

nvmetcli command fails with "/sys/kernel/config/nvmet does not exist. Giving up."

Consider increasing /proc/sys/fs/inotify/max_user_watches error received in logs

system crashes when kernel module fileaccess_mod calls strlen

kernel prints 'bad frame in setup_rt_frame' and kills process with signal 11 (sigsegv)

In RHEL 8, "/proc/timer_stats" is not available.

How to trigger a kernel crash (vmcore) via Oracle ILOM

Soft lockup or Hard lockup occurs due to race between ring_buffer_detach() and ring_buffer_wakeup().

Why does RHEL7.3 kernel accept `kernel.hung_task_warnings=-1`?

How to verify list of "isolated" and "nohz_full" CPU information from sysfs?

kernel BUG at /data/workspace/Release-Linux-Build/ampcx/fireamp-linux/redirfs/src/redirfs/rfs_inode.c:61!

Where can I find information about the available or in-use watchdog devices in a sosreport?

How do I enable the software watchdog device (softdog)?

Why does the mouse not work on RHEL 7.6 (with GUI) virtualbox guest?

dentry with DCACHE_SHRINKING set but no task shrinking dcache in Red Hat Enterprise Linux 6

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