Oracle Linux: System Hang in: "mfe_fileaccess_wake_up_all_events_and_reset_scanningQueue"
(Doc ID 2770509.1)
Last updated on JULY 07, 2022
Applies to:
Linux OS - Version Oracle Linux 6.0 and laterOracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.
Symptoms
The instance hang.
/var/log/messages show RIP in kernel module mfe_fileaccess
Apr 20 05:55:49 _HOSTNAME_ kernel: [1465172.496004] NMI watchdog: BUG: soft lockup - CPU#26 stuck for 23s! [Broker KM Evnt:4884]
Apr 20 05:55:49 _HOSTNAME_ kernel: [1465172.496004] Modules linked in: ip6table_filter ip6_tables ip_set nfnetlink tcp_diag inet_diag nfsv3 nfs_acl mfe_fileaccess_100610110(OE) autofs4 rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs fscache lockd grace mfe_aac_100610110(OE) sunrpc xt_comment iptable_filter ip_tables be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ppdev parport_pc parport pcspkr sg virtio_net net_failover failover i2c_piix4 ext4 jbd2 mbcache2 sd_mod virtio_scsi virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix floppy bochs_drm ttm drm_kms_helper drm i2c_core sysimgblt sysfillrect syscopyarea dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib]
Apr 20 05:55:50 _HOSTNAME_ kernel: [1465172.496004] CPU: 26 PID: 4884 Comm: Broker KM Evnt Tainted: G OE Z 4.1.12-124.48.6.el6uek.x86_64 #2
Apr 20 05:55:50 _HOSTNAME_ kernel: [1465172.496004] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20171121_152543-x86-ol7-builder-01.us.oracle.com-4.el7.1 04/01/2014
Apr 20 05:55:50 _HOSTNAME_ kernel: [1465172.496004] task: ffff883b2e7be200 ti: ffff883ac646c000 task.ti: ffff883ac646c000
Apr 20 05:55:50 _HOSTNAME_ kernel: [1465172.496004] RIP: 0010:[<ffffffffc05ffb5e>] [<ffffffffc05ffb5e>] mfe_fileaccess_wake_up_all_events_and_reset_scanningQueue+0x24e/0x4c0 [mfe_fileaccess_100610110]
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |