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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - i915: warnings on dmesg with i915 in calltrace"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111943">111943</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>i915: warnings on dmesg with i915 in calltrace
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>not set
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Reporter</th>
<td>neenaoffline@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=145689" name="attach_145689" title="dmesg output">attachment 145689</a> <a href="attachment.cgi?id=145689&action=edit" title="dmesg output">[details]</a></span>
dmesg output
I'm running Fedora 31 Beta on a Dell 5540 which has both intel and nvidia
graphics. The relevant dmesg logs look like this:
[417623.602097] workqueue: PF_MEMALLOC task 199(kswapd0) is flushing
!WQ_MEM_RECLAIM events:gen6_pm_rps_work [i915]
[417623.602102] WARNING: CPU: 9 PID: 199 at kernel/workqueue.c:2598
check_flush_dependency+0xa0/0x130
[417623.602102] Modules linked in: uas usb_storage rc_cec
nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6
ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute
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 ebtable_filter ebtables ip6table_filter ip6_tables
iptable_filter ip_tables rfcomm snd_usb_audio snd_usbmidi_lib snd_rawmidi ccm
libcrc32c ip_set nfnetlink cmac bnep sunrpc vfat fat wacom hid_multitouch
dell_rbtn iTCO_wdt iTCO_vendor_support sof_pci_dev snd_sof_intel_hda_common
snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof
snd_sof_xtensa_dsp snd_soc_skl x86_pkg_temp_thermal intel_powerclamp
snd_soc_hdac_hda coretemp snd_hda_ext_core snd_soc_skl_ipc snd_soc_sst_ipc
kvm_intel snd_soc_sst_dsp snd_soc_acpi_intel_match snd_hda_codec_hdmi
snd_soc_acpi dell_laptop kvm snd_soc_core mei_hdcp
[417623.602117] snd_hda_codec_realtek mei_wdt dell_smm_hwmon
snd_hda_codec_generic intel_rapl_msr irqbypass ledtrig_audio snd_compress
ac97_bus snd_pcm_dmaengine snd_hda_intel crct10dif_pclmul crc32_pclmul
snd_hda_codec iwlmvm ghash_clmulni_intel snd_hda_core intel_cstate intel_uncore
snd_hwdep intel_rapl_perf mac80211 joydev dell_wmi snd_seq dell_smbios dcdbas
snd_seq_device wmi_bmof intel_wmi_thunderbolt dell_wmi_descriptor snd_pcm
libarc4 uvcvideo btusb btrtl snd_timer btbcm i2c_i801 btintel videobuf2_vmalloc
videobuf2_memops iwlwifi snd videobuf2_v4l2 bluetooth videobuf2_common
rtsx_pci_ms cfg80211 soundcore videodev memstick thunderbolt mei_me
ecdh_generic rfkill idma64 mc mei ecc processor_thermal_device ucsi_acpi
typec_ucsi intel_rapl_common intel_lpss_pci intel_lpss intel_pch_thermal
intel_soc_dts_iosf typec int3403_thermal int340x_thermal_zone dell_smo8800
intel_hid int3400_thermal sparse_keymap acpi_thermal_rel acpi_pad
ipmi_msghandler i915 nouveau ttm i2c_algo_bit drm_kms_helper
[417623.602133] rtsx_pci_sdmmc mmc_core drm mxm_wmi nvme crc32c_intel
nvme_core rtsx_pci serio_raw i2c_hid pinctrl_cannonlake video wmi pinctrl_intel
fuse [last unloaded: ip_tables]
[417623.602137] CPU: 9 PID: 199 Comm: kswapd0 Tainted: P W OEL
5.3.0-1.fc31.x86_64 #1
[417623.602137] Hardware name: Dell Inc. Precision 5540/07C17G, BIOS 1.1.1
05/31/2019
[417623.602139] RIP: 0010:check_flush_dependency+0xa0/0x130
[417623.602140] 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 ac 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
[417623.602140] RSP: 0018:ffffae3c803c38d0 EFLAGS: 00010086
[417623.602141] RAX: 0000000000000000 RBX: ffff88fe18c0ce00 RCX:
0000000000000000
[417623.602141] RDX: 0000000000000063 RSI: ffffffffacbe7883 RDI:
0000000000000046
[417623.602142] RBP: ffffffffc0821760 R08: 00017bd39273ed59 R09:
0000000000000063
[417623.602142] R10: ffffffffacbe7c00 R11: 00000000acbe786b R12:
ffff88fe17fe5f40
[417623.602142] R13: ffff88fe1c42e700 R14: 0000000000000001 R15:
0000000000000013
[417623.602143] FS: 0000000000000000(0000) GS:ffff88fe1c440000(0000)
knlGS:0000000000000000
[417623.602143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[417623.602144] CR2: 00007efe547ec000 CR3: 000000027c40a001 CR4:
00000000003606e0
[417623.602144] Call Trace:
[417623.602147] __flush_work+0x92/0x1c0
[417623.602149] ? enqueue_hrtimer+0x36/0x90
[417623.602150] ? sched_clock+0x5/0x10
[417623.602151] __cancel_work_timer+0x107/0x190
[417623.602153] ? _cond_resched+0x15/0x30
[417623.602154] ? synchronize_irq+0x3a/0xa0
[417623.602167] ? fwtable_write32+0x1a0/0x210 [i915]
[417623.602177] gen6_disable_rps_interrupts+0x7f/0xa0 [i915]
[417623.602188] gen6_rps_idle+0x1a/0xe0 [i915]
[417623.602200] intel_gt_park+0x54/0x60 [i915]
[417623.602211] __intel_wakeref_put_last+0x17/0x50 [i915]
[417623.602223] __engine_park+0xbc/0xd0 [i915]
[417623.602234] __intel_wakeref_put_last+0x17/0x50 [i915]
[417623.602248] i915_request_retire+0x1aa/0x370 [i915]
[417623.602262] ring_retire_requests+0x4e/0x60 [i915]
[417623.602276] i915_retire_requests+0x43/0x80 [i915]
[417623.602289] i915_gem_shrink+0x355/0x510 [i915]
[417623.602302] i915_gem_shrinker_scan+0x63/0x110 [i915]
[417623.602304] do_shrink_slab+0x154/0x2c0
[417623.602306] shrink_slab+0xac/0x2b0
[417623.602307] shrink_node+0xf5/0x490
[417623.602308] balance_pgdat+0x2db/0x530
[417623.602309] kswapd+0x1fb/0x3c0
[417623.602311] ? finish_wait+0x80/0x80
[417623.602312] kthread+0xfb/0x130
[417623.602313] ? balance_pgdat+0x530/0x530
[417623.602314] ? kthread_park+0x80/0x80
[417623.602315] ret_from_fork+0x35/0x40
[417623.602317] ---[ end trace e039dd2359e64532 ]---</pre>
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