Description of problem: i was using perf top and drilling down into annotation in a few symbols, some in the kernel Additional info: reporter: libreport-2.6.3 WARNING: CPU: 1 PID: 36 at mm/page_counter.c:26 page_counter_cancel+0x38/0x50() Modules linked in: usblp nfnetlink_queue nfnetlink_log nfnetlink bnep bluetooth fuse ccm nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw arc4 b43 uvcvideo videobuf2_vmalloc bcma videobuf2_core mac80211 videobuf2_memops v4l2_common hp_wmi snd_hda_codec_idt snd_hda_codec_generic sparse_keymap snd_hda_intel videodev cfg80211 snd_hda_codec media snd_hda_core snd_hwdep rfkill snd_seq iTCO_wdt snd_seq_device iTCO_vendor_support snd_pcm i915 snd_timer snd joydev lpc_ich soundcore i2c_algo_bit coretemp drm_kms_helper ssb wmi mmc_core drm video acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc 8021q garp stp llc mrp serio_raw atl1c [last unloaded: nlmon] CPU: 1 PID: 36 Comm: kswapd0 Not tainted 4.2.3-200.fc22.i686 #1 Hardware name: Hewlett-Packard Compaq Mini 110c-1100/308F, BIOS 308F0 Ver. F.19 01/12/2010 c0d4b9a7 30916732 00000000 f47b9c24 c0aa8d89 00000000 f47b9c54 c045e0f7 c0c632c0 00000001 00000024 c0c7d56f 0000001a c05a00f8 c05a00f8 ca982060 0000001f 0000001f f47b9c64 c045e202 00000009 00000000 f47b9c6c c05a00f8 Call Trace: [<c0aa8d89>] dump_stack+0x41/0x52 [<c045e0f7>] warn_slowpath_common+0x87/0xc0 [<c05a00f8>] ? page_counter_cancel+0x38/0x50 [<c05a00f8>] ? page_counter_cancel+0x38/0x50 [<c045e202>] warn_slowpath_null+0x22/0x30 [<c05a00f8>] page_counter_cancel+0x38/0x50 [<c05a01e1>] page_counter_uncharge+0x21/0x30 [<c05a364c>] uncharge_batch.constprop.51+0x2c/0x120 [<c05a380a>] uncharge_list+0xca/0x140 [<c05a647b>] mem_cgroup_uncharge_list+0x1b/0x20 [<c0563d58>] shrink_page_list+0x708/0xa00 [<c046244e>] ? irq_exit+0x6e/0xb0 [<c043c638>] ? smp_apic_timer_interrupt+0x38/0x50 [<c0aaf578>] ? apic_timer_interrupt+0x34/0x3c [<c056463e>] shrink_inactive_list+0x20e/0x4c0 [<c0565132>] shrink_lruvec+0x562/0x6a0 [<c05a3081>] ? mem_cgroup_iter+0x1c1/0x400 [<c05a3081>] ? mem_cgroup_iter+0x1c1/0x400 [<c0565335>] shrink_zone+0xc5/0x290 [<c056635d>] kswapd+0x4bd/0x890 [<c0565ea0>] ? mem_cgroup_shrink_node_zone+0x130/0x130 [<c0478e66>] kthread+0xa6/0xc0 [<c0aae881>] ret_from_kernel_thread+0x21/0x30 [<c0478dc0>] ? kthread_worker_fn+0x130/0x130
Created attachment 1092991 [details] File: dmesg
Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.