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Failure to wake up RCU grace-period thread entails symptoms such as unresponsiveness of entire system, hung tasks in synchronize_rcu() and high slab cache memory usage

KCS Solution updated on 21 Aug 2023, 11:37 PM GMT - 0 -

0

Red Hat Enterprise Linux, Red Hat OpenShift Container Platform
XFS: thaw operation hungs if caches are dropped while FS is freezed

KCS Solution updated on 15 Aug 2023, 5:02 AM GMT - 1 -

0

Red Hat Enterprise Linux
ループデバイスを介した割り当て中のデッドロックが原因でシステムがハングする

KCS Solution updated on 14 Aug 2023, 5:37 PM GMT - 0 -

0

Red Hat Enterprise Linux
系统变得无响应，并显示信息 "INFO: task <process>:<pid> blocked for more than 120 seconds"

KCS Solution updated on 14 Aug 2023, 7:42 AM GMT - 0 -

0

Red Hat Enterprise Linux
System crash in blk_cgroup_bio_start() attempting to submit a bio

KCS Solution updated on 12 Aug 2023, 1:51 PM GMT - 0 -

0

Red Hat Enterprise Linux
Red Hat OpenShift 4 nodes hanging on IBM Power architecture

KCS Solution updated on 11 Aug 2023, 3:52 PM GMT - 0 -

0

Red Hat Enterprise Linux, Red Hat OpenShift Container Platform
'nvme format' command hits timeout and hangs.

KCS Solution updated on 11 Aug 2023, 1:26 PM GMT - 0 -

0

Red Hat Enterprise Linux
メッセージ "INFO: task <process>:<pid> blocked for more than 120 seconds" が表示され、システムが応答しない

KCS Solution updated on 10 Aug 2023, 6:18 AM GMT - 0 -

0

Red Hat Enterprise Linux
System hang due to swap deadlock around plugged I/O

KCS Solution updated on 08 Aug 2023, 10:33 PM GMT - 0 -

0

Red Hat Enterprise Linux
Following login timeout, deadlock in iSCSI due to incorrect target layer error handling

KCS Solution updated on 08 Aug 2023, 10:21 AM GMT - 0 -

0

Red Hat Enterprise Linux
System hang due to blocked tasks in fanotify code

KCS Solution updated on 07 Aug 2023, 6:59 AM GMT - 9 -

0

Red Hat Enterprise Linux
The server is getting hung up. Lots of tasks are calling fanotify_handle_event() and waiting for permission event response from userspace. The server crashes if hung_task_panic is enabled. Otherwise a hard reboot is the only resolution.

KCS Solution updated on 07 Aug 2023, 6:56 AM GMT - 1 -

0

Red Hat Enterprise Linux
System crash following underrun due to potential qedf refcount issue

KCS Solution updated on 04 Aug 2023, 6:58 PM GMT - 0 -

0

Red Hat Enterprise Linux
How to find out memory usage of a particular process from vmcore?

KCS Solution updated on 03 Aug 2023, 2:48 AM GMT - 0 -

0

Red Hat Enterprise Linux
lvconvert --splitcache, --uncache operations getting hung

KCS Solution updated on 02 Aug 2023, 3:15 PM GMT - 0 -

0

Red Hat Enterprise Linux
System hang after smartpqi reset due to wait in pqi_wait_for_lun_reset_completion()

KCS Solution updated on 02 Aug 2023, 2:36 AM GMT - 0 -

0

Red Hat Enterprise Linux
RHEL8.6, cifs: deadlock between refresh_cache_worker and cifs_demultiplex_thread on reconnect

KCS Solution updated on 01 Aug 2023, 1:42 PM GMT - 0 -

0

Red Hat Enterprise Linux
GFS2 cluster nodes often crashe due to soft lockups that happen in gfs2_dir_get_hash_table()

KCS Solution updated on 31 Jul 2023, 6:44 AM GMT - 0 -

0

Red Hat Enterprise Linux
ppc64le kernel is getting hung up with soft lockups and rcu_sched CPU stalls. One CPU is stuck waiting on rq.lock spinlock of another CPU but the spinlock is not locked

KCS Solution updated on 31 Jul 2023, 6:35 AM GMT - 0 -

0

Red Hat Enterprise Linux for Power, little endian
Crash in 'blk_mq_rq_timed_out()' when dereferencing NULL 'request->q' pointer

KCS Solution updated on 29 Jul 2023, 3:13 PM GMT - 0 -

0

Red Hat Enterprise Linux
System hang due to vxconfigd and bio stall after removal of vxdmp device

KCS Solution updated on 29 Jul 2023, 3:06 PM GMT - 0 -

0

Red Hat Enterprise Linux, Red Hat Enterprise Linux for x86_64
Deadlock condition between CPUs running 3rd party code from morphisec_protector

KCS Solution updated on 28 Jul 2023, 5:47 PM GMT - 0 -

0

Red Hat Enterprise Linux
Low memory deadlock with md devices and external (imsm) metadata handling

KCS Solution updated on 27 Jul 2023, 3:15 PM GMT - 0 -

0

Red Hat Enterprise Linux
System hangs on boot and throws "end_request: I/O error" from a few of LUNs

KCS Solution updated on 26 Jul 2023, 8:29 AM GMT - 1 -

0

Red Hat Enterprise Linux
Task hangs in blk_mq_get_tag() while no tags are in use

KCS Solution updated on 25 Jul 2023, 12:35 PM GMT - 2 -

0

Red Hat Enterprise Linux

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hang

Failure to wake up RCU grace-period thread entails symptoms such as unresponsiveness of entire system, hung tasks in synchronize_rcu() and high slab cache memory usage

XFS: thaw operation hungs if caches are dropped while FS is freezed

ループデバイスを介した割り当て中のデッドロックが原因でシステムがハングする

系统变得无响应，并显示信息 "INFO: task <process>:<pid> blocked for more than 120 seconds"

System crash in blk_cgroup_bio_start() attempting to submit a bio

Red Hat OpenShift 4 nodes hanging on IBM Power architecture

'nvme format' command hits timeout and hangs.

メッセージ "INFO: task <process>:<pid> blocked for more than 120 seconds" が表示され、システムが応答しない

System hang due to swap deadlock around plugged I/O

Following login timeout, deadlock in iSCSI due to incorrect target layer error handling

System hang due to blocked tasks in fanotify code

The server is getting hung up. Lots of tasks are calling fanotify_handle_event() and waiting for permission event response from userspace. The server crashes if hung_task_panic is enabled. Otherwise a hard reboot is the only resolution.

System crash following underrun due to potential qedf refcount issue

How to find out memory usage of a particular process from vmcore?

lvconvert --splitcache, --uncache operations getting hung

System hang after smartpqi reset due to wait in pqi_wait_for_lun_reset_completion()

RHEL8.6, cifs: deadlock between refresh_cache_worker and cifs_demultiplex_thread on reconnect

GFS2 cluster nodes often crashe due to soft lockups that happen in gfs2_dir_get_hash_table()

ppc64le kernel is getting hung up with soft lockups and rcu_sched CPU stalls. One CPU is stuck waiting on rq.lock spinlock of another CPU but the spinlock is not locked

Crash in 'blk_mq_rq_timed_out()' when dereferencing NULL 'request->q' pointer

System hang due to vxconfigd and bio stall after removal of vxdmp device

Deadlock condition between CPUs running 3rd party code from morphisec_protector

Low memory deadlock with md devices and external (imsm) metadata handling

System hangs on boot and throws "end_request: I/O error" from a few of LUNs

Task hangs in blk_mq_get_tag() while no tags are in use

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