RHEL7.3: WARNING: at mm/vmalloc.c:1491 __vunmap+0xd3/0x100() with vmballoon

Solution Verified - Updated -

Issue

  • The following warning message keeps on being logged every minute.
kernel: WARNING: at mm/vmalloc.c:1491 __vunmap+0xd3/0x100()
kernel: Trying to vfree() nonexistent vm area (ffffc9000079a000)
kernel: Modules linked in: ip6table_filter ip6_tables iptable_filter binfmt_misc vmw_vsock_vmci_transport vsock intel_powerclamp coretemp iosf_mbi crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd ppdev vmw_balloon pcspkr sg parport_pc parport shpchp vmw_vmci i2c_piix4 nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod cdrom ata_generic pata_acpi sd_mod crc_t10dif crct10dif_generic vmwgfx crct10dif_pclmul crct10dif_common drm_kms_helper crc32c_intel syscopyarea sysfillrect serio_raw sysimgblt fb_sys_fops ttm ahci libahci ata_piix drm vmxnet3 libata i2c_core vmw_pvscsi floppy fjes dm_mirror dm_region_hash dm_log dm_mod
kernel: CPU: 0 PID: 7428 Comm: kworker/0:1 Tainted: G    B   W      ------------   3.10.0-514.6.1.el7.x86_64 #1
kernel: Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/21/2015
kernel: Workqueue: events_freezable vmballoon_work [vmw_balloon]
kernel: ffff880016dc7cf8 00000000a525397d ffff880016dc7cb0 ffffffff816861ac
kernel: ffff880016dc7ce8 ffffffff81085940 ffffc9000079a000 0000000000000000
kernel: 0000000000000000 ffffffffa0349408 ffffffffa0349558 ffff880016dc7d50
kernel: Call Trace:
kernel: [] dump_stack+0x19/0x1b
kernel: [] warn_slowpath_common+0x70/0xb0
kernel: [] warn_slowpath_fmt+0x5c/0x80
kernel: [] ? find_vmap_area+0x42/0x70
kernel: [] __vunmap+0xd3/0x100
kernel: [] vunmap+0x36/0x40
kernel: [] vmballoon_pop+0xda/0x100 [vmw_balloon]
kernel: [] vmballoon_work+0xef/0x615 [vmw_balloon]
kernel: [] ? fb_flashcursor+0x5d/0x140
kernel: [] ? bit_clear+0x120/0x120
kernel: [] process_one_work+0x17b/0x470
kernel: [] worker_thread+0x126/0x410
kernel: [] ? rescuer_thread+0x460/0x460

Environment

  • Red Hat Enterprise Linux 7.3 kernel-3.10.0-514.6.1.el7.x86_64
  • RHEL guest running on VMware Hypervisor
  • vmballoon
  • open-vm-tools-10.0.5-2.el7.x86_64

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