My Oracle Support Banner

Kernel warning in "lib/list_debug.c:62 __list_del_entry" (Doc ID 2481623.1)

Last updated on OCTOBER 25, 2019

Applies to:

Oracle Linux Cloud Service - Version Oracle Linux 6.9 and later
x86_64

Symptoms

On : Oracle Linux 6.9 version
Post upgrade to kernel-uek-4.1.12-124.22.2.el6uek.x86_64, server became unstable/rebooting itself

ERROR
-----------------------

Nov 26 09:13:56 <hostname> kernel: [ 113.091623] ------------[ cut here ]------------
Nov 26 09:13:56 <hostname> kernel: [ 113.092870] WARNING: CPU: 5 PID: 11843 at lib/list_debug.c:62 __list_del_entry+0xdd/0xe0()
Nov 26 09:13:56 <hostname> kernel: [ 113.092870] list_del corruption. next->prev should be ffff880d104a8d88, but was (null)
Nov 26 09:13:56 <hostname> kernel: [ 113.092870] Modules linked in: rds oracleacfs(PO) oracleadvm(PO) oracleoks(PO) nfsd auth_rpcgss nfsv3 nfs_acl nfs fscache lockd sunrpc grace ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr dm_multipath vfat fat ppdev parport_pc parport acpi_cpufreq pcspkr sg i2c_piix4 ext4 jbd2 mbcache2 sd_mod crc32c_intel be2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi ipv6 bnxt_en cxgb3 mdio pata_acpi ata_generic qla4xxx iscsi_boot_sysfs ata_piix floppy bochs_drm ttm drm_kms_helper drm i2c_core sysimgblt sysfillrect syscopyarea dm_mirror dm_region_hash dm_log dm_mod iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi [last unloaded: speedstep_lib]
Nov 26 09:13:56 <hostname> kernel: [ 113.138804] CPU: 5 PID: 11843 Comm: apx_vbg3_+apx1 Tainted: P O 4.1.12-124.22.2.el6uek.x86_64 #2
Nov 26 09:13:56 <hostname> kernel: [ 113.138804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015
Nov 26 09:13:56 <hostname> kernel: [ 113.138804] 0000000000000000 ffff880d1d4c7988 ffffffff816e9260 ffff880d1d4c79d8
Nov 26 09:13:56 <hostname> kernel: [ 113.138804] ffffffff81a0db99 ffff880d1d4c79c8 ffffffff8108601a ffff880ef3b49658
Nov 26 09:13:56 <hostname> kernel: [ 113.193621] ffff880d104a8d80 0000000000000010 ffff880d104a8d88 ffffffff81bc7600
Nov 26 09:13:56 <hostname> kernel: [ 113.193621] Call Trace:
Nov 26 09:13:56 <hostname> kernel: [ 113.193621] [<ffffffff816e9260>] dump_stack+0x63/0x81
Nov 26 09:13:56 <hostname> kernel: [ 113.193621] [<ffffffff8108601a>] warn_slowpath_common+0x8a/0xc0
Nov 26 09:13:56 <hostname> kernel: [ 113.193621] [<ffffffff81086096>] warn_slowpath_fmt+0x46/0x50
Nov 26 09:13:56 <hostname> kernel: [ 113.193621] [<ffffffff8134516d>] __list_del_entry+0xdd/0xe0
Nov 26 09:13:56 <hostname> kernel: [ 113.193621] [<ffffffff813172d6>] blkg_destroy+0x86/0x1c0
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff8131745e>] blkg_destroy_all+0x4e/0x80
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff813188b3>] blkcg_exit_queue+0x23/0x80
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff812fdc34>] blk_release_queue+0x24/0x120
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff8132ac5d>] kobject_release+0x7d/0x1c0
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff8132ab05>] kobject_put+0x35/0x70
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff812f9bf7>] blk_cleanup_queue+0x147/0x200
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffffa0757daa>] asmSetVolumeLimits+0x2f5/0x451 [oracleadvm]
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffffa0724092>] Asm_updateVolumeLimits+0xf2/0x1b4 [oracleadvm]
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffffa0725b6e>] Asm_loadDisks+0x7c3/0x92f [oracleadvm]
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffffa07058ff>] AsmIoctl_devVBG+0x215/0x83f [oracleadvm]
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffffa070746e>] AsmIoctl+0x1545/0x2a93 [oracleadvm]
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff8118cdaa>] ? unlock_page+0x6a/0x70
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffffa0756113>] asmIoctl_int.isra.17+0x156/0x3f0 [oracleadvm]
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff811be56e>] ? handle_mm_fault+0xf8e/0x1940
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffffa07563d5>] asmIoctl+0x13/0x15 [oracleadvm]
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff8130ae1d>] blkdev_ioctl+0x28d/0x990
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff8124687d>] block_ioctl+0x3d/0x50
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff81220b2b>] do_vfs_ioctl+0x2fb/0x510
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff8112e754>] ? __audit_syscall_entry+0xb4/0x110
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff81025a2c>] ? do_audit_syscall_entry+0x6c/0x70
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff81220dc1>] SyS_ioctl+0x81/0xa0
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff816f1b5f>] ? system_call_after_swapgs+0xe9/0x190
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff816f1b58>] ? system_call_after_swapgs+0xe2/0x190
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff816f1b51>] ? system_call_after_swapgs+0xdb/0x190
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] [<ffffffff816f1c1e>] system_call_fastpath+0x18/0xd7
Nov 26 09:13:56 <hostname> kernel: [ 113.233019] ---[ end trace 98a57c9538c2dfef ]---

 

Changes

 Kernel upgraded to 4.1.12-124.22.2.el6uek

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.