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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - workqueue: PF_MEMALLOC task 134(kswapd0) is flushing !WQ_MEM_RECLAIM events:gen6_pm_rps_work"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111817#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - workqueue: PF_MEMALLOC task 134(kswapd0) is flushing !WQ_MEM_RECLAIM events:gen6_pm_rps_work"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111817">bug 111817</a>
from <span class="vcard"><a class="email" href="mailto:mailinglists35@gmail.com" title="mailinglists35@gmail.com">mailinglists35@gmail.com</a>
</span></b>
<pre>is this the same bug?
Fedora core 31 up to date on asus laptop
00:02.0 VGA compatible controller [0300]: Intel Corporation Celeron
N3350/Pentium N4200/Atom E3900 Series Integrated Graphics Controller
[8086:5a84] (rev 0b)
Subsystem: ASUSTeK Computer Inc. Device [1043:15b0]
Kernel driver in use: i915
Kernel modules: i915
Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: E403NA
[10995.843825] ------------[ cut here ]------------
[10995.843915] workqueue: PF_MEMALLOC task 154(kswapd0) is flushing
!WQ_MEM_RECLAIM events:gen6_pm_rps_work [i915]
[10995.843928] WARNING: CPU: 0 PID: 154 at kernel/workqueue.c:2598
check_flush_dependency+0xa0/0x130
[10995.843929] Modules linked in: ipheth nfsv3 nfs_acl rpcsec_gss_krb5
auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache rfcomm binfmt_misc ccm
xt_CHECKSUM xt_MASQUERADE xt_comment bridge stp llc ip6t_REJECT nf_reject_ipv6
ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ip6table_nat
ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat
iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6
nf_defrag_ipv4 libcrc32c ip_set nfnetlink ebtable_filter ebtables
ip6table_filter ip6_tables iptable_filter ip_tables ppdev parport_pc parport
fuse vmw_vsock_vmci_transport vsock vmw_vmci cmac bnep sunrpc vfat fat squashfs
zstd_decompress loop bluetooth ecdh_generic ecc uvcvideo videobuf2_vmalloc
videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc sof_pci_dev
snd_sof_intel_hda_common snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc
snd_sof intel_telemetry_pltdrv snd_sof_xtensa_dsp intel_punit_ipc
intel_telemetry_core snd_soc_skl joydev
[10995.843974] x86_pkg_temp_thermal snd_soc_hdac_hda snd_hda_ext_core
snd_soc_skl_ipc intel_powerclamp snd_soc_sst_ipc snd_soc_sst_dsp
snd_hda_codec_hdmi coretemp snd_soc_acpi_intel_match hid_multitouch
snd_soc_acpi kvm_intel snd_soc_core mei_hdcp snd_hda_codec_realtek iwlmvm
intel_rapl_msr snd_hda_codec_generic mac80211 ledtrig_audio snd_compress
ac97_bus snd_pcm_dmaengine snd_hda_intel kvm libarc4 snd_hda_codec snd_hda_core
snd_hwdep irqbypass intel_cstate iwlwifi snd_seq snd_seq_device intel_rapl_perf
cfg80211 snd_pcm asus_nb_wmi asus_wmi wdat_wdt wmi_bmof sparse_keymap snd_timer
mei_me idma64 snd rfkill mei intel_xhci_usb_role_switch intel_lpss_pci i2c_i801
roles soundcore processor_thermal_device intel_lpss intel_rapl_common lpc_ich
int3403_thermal int3400_thermal intel_soc_dts_iosf asus_wireless
acpi_thermal_rel int340x_thermal_zone ashmem_linux(OE) f2fs dm_crypt i915
i2c_algo_bit crct10dif_pclmul drm_kms_helper crc32_pclmul crc32c_intel drm
ghash_clmulni_intel serio_raw wmi i2c_hid
[10995.844018] video pinctrl_broxton pinctrl_intel mmc_block sdhci_pci cqhci
sdhci mmc_core lz4 lz4_compress [last unloaded: btrtl]
[10995.844027] CPU: 0 PID: 154 Comm: kswapd0 Tainted: G OE
5.3.1-300.fc31.x86_64 #1
[10995.844028] Hardware name: ASUSTeK COMPUTER INC. E403NA/E403NA, BIOS
E403NA.307 06/26/2018
[10995.844032] RIP: 0010:check_flush_dependency+0xa0/0x130
[10995.844034] Code: 8d 8a 18 07 00 00 49 89 e8 48 8d 8b b0 00 00 00 4c 89 ca
48 c7 c7 c8 09 13 b1 48 89 04 24 c6 05 d3 2c 44 01 01 e8 9e 2b fe ff <0f> 0b 48
8b 04 24 eb 10 4c 89 e7 e8 80 81 00 00 41 f6 44 24 25 08
[10995.844035] RSP: 0018:ffffb3a38019f8d0 EFLAGS: 00010086
[10995.844037] RAX: 0000000000000000 RBX: ffff9be7bb00ae00 RCX:
0000000000000000
[10995.844038] RDX: 0000000000000063 RSI: ffffffffb1be7883 RDI:
0000000000000046
[10995.844039] RBP: ffffffffc03cf760 R08: 00000a002b5edd48 R09:
0000000000000063
[10995.844040] R10: ffffffffb1be7c00 R11: 00000000b1be786b R12:
ffff9be7ba641ec0
[10995.844041] R13: ffff9be7bbaae700 R14: 0000000000000001 R15:
0000000000000013
[10995.844043] FS: 0000000000000000(0000) GS:ffff9be7bba00000(0000)
knlGS:0000000000000000
[10995.844044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[10995.844045] CR2: 00000d8a20bab038 CR3: 000000002b40a000 CR4:
00000000003406f0
[10995.844046] Call Trace:
[10995.844054] __flush_work+0x92/0x1c0
[10995.844058] ? enqueue_hrtimer+0x36/0x90
[10995.844060] ? hrtimer_start_range_ns+0x192/0x2d0
[10995.844062] __cancel_work_timer+0x107/0x190
[10995.844065] ? _cond_resched+0x15/0x30
[10995.844068] ? synchronize_irq+0x3a/0xa0
[10995.844108] ? fwtable_write32+0x1a0/0x210 [i915]
[10995.844143] gen6_disable_rps_interrupts+0x7f/0xa0 [i915]
[10995.844182] gen6_rps_idle+0x1a/0xe0 [i915]
[10995.844223] intel_gt_park+0x54/0x60 [i915]
[10995.844262] __intel_wakeref_put_last+0x17/0x50 [i915]
[10995.844302] __engine_park+0xbc/0xd0 [i915]
[10995.844341] __intel_wakeref_put_last+0x17/0x50 [i915]
[10995.844385] i915_request_retire+0x1aa/0x370 [i915]
[10995.844429] ring_retire_requests+0x4e/0x60 [i915]
[10995.844473] i915_retire_requests+0x43/0x80 [i915]
[10995.844516] i915_gem_shrink+0x355/0x510 [i915]
[10995.844560] i915_gem_shrinker_scan+0x63/0x110 [i915]
[10995.844564] do_shrink_slab+0x154/0x2c0
[10995.844567] shrink_slab+0xac/0x2b0
[10995.844570] shrink_node+0xf5/0x490
[10995.844573] balance_pgdat+0x2db/0x530
[10995.844576] kswapd+0x1fb/0x3c0
[10995.844580] ? finish_wait+0x80/0x80
[10995.844583] kthread+0xfb/0x130
[10995.844584] ? balance_pgdat+0x530/0x530
[10995.844587] ? kthread_park+0x80/0x80
[10995.844590] ret_from_fork+0x35/0x40
[10995.844593] ---[ end trace 8a68e6d5f34b14ad ]---</pre>
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