[ Forgot to add those on the commit itself ]
-- Steve
On Thu, 14 Jan 2021 16:32:06 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> On reboot, one of my test boxes now triggers the following warning:
>
> ------------[ cut here ]------------
> RPM raw-wakeref not held
> WARNING: CPU: 4 PID: 1 at drivers/gpu/drm/i915/intel_runtime_pm.h:106 gen6_write32+0x1bc/0x2a0 [i915]
> Modules linked in: ebtable_filter ebtables bridge stp llc ip6t_REJECT nf_reject_ipv6 vsock vmw_vmci xt_state xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6table_filter ip6_tables snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic le
> 15 snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep i2c_algo_bit snd_hda_core snd_seq intel_rapl_msr snd_seq_device intel_rapl_common snd_pcm x86_pkg_temp_thermal intel_powerclamp snd_timer snd coretemp kvm_intel soundcore kvm mei_wdt irqbypass joydev
> _pmc_bxt hp_wmi wmi_bmof sparse_keymap rfkill iTCO_vendor_support crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel drm_kms_helper i2c_i801 cec drm rapl intel_cstate intel_uncore mei_me i2c_smbus e1000e tpm_infineon wmi serio_raw mei video lpc_i
>
> CPU: 4 PID: 1 Comm: systemd-shutdow Not tainted 5.9.0-rc4-test+ #861
> Hardware name: Hewlett-Packard HP Compaq Pro 6300 SFF/339A, BIOS K01 v03.03 07/14/2016
> RIP: 0010:gen6_write32+0x1bc/0x2a0 [i915]
> Code: 5d 82 e0 0f 0b e9 b5 fe ff ff 80 3d 95 6b 22 00 00 0f 85 b2 fe ff ff 48 c7 c7 04 d2 a4 c0 c6 05 81 6b 22 00 01 e8 f6 5c 82 e0 <0f> 0b e9 98 fe ff ff 80 3d 6d 6b 22 00 00 0f 85 95 fe ff ff 48 c7
> RSP: 0018:ffffb9c1c002fd08 EFLAGS: 00010296
> RAX: 0000000000000018 RBX: ffff99aec8881010 RCX: ffff99aeda400000
> RDX: 0000000000000000 RSI: ffffffffa115d9ef RDI: ffffffffa115d9ef
> RBP: 0000000000044004 R08: 0000000000000001 R09: 0000000000000000
> R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
> R13: 0000000000000001 R14: 00000000ffffffff R15: 0000000000000000
> FS: 00007f91257a9940(0000) GS:ffff99aeda400000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00007f9126829400 CR3: 00000001088f0006 CR4: 00000000001706e0
> Call Trace:
> gen3_irq_reset+0x2e/0xd0 [i915]
> intel_irq_reset+0x59/0x6a0 [i915]
> intel_runtime_pm_disable_interrupts+0xe/0x30 [i915]
> i915_driver_shutdown+0x2e/0x40 [i915]
> pci_device_shutdown+0x34/0x60
> device_shutdown+0x15d/0x1b3
> kernel_restart+0xe/0x30
> __do_sys_reboot+0x1d7/0x210
> ? vfs_writev+0x9d/0xe0
> ? syscall_enter_from_user_mode+0x1d/0x70
> ? trace_hardirqs_on+0x2c/0xe0
> do_syscall_64+0x33/0x40
> entry_SYSCALL_64_after_hwframe+0x44/0xa9
> RIP: 0033:0x7f912675f2d7
> Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 89 fa be 69 19 12 28 bf ad de e1 fe b8 a9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 81 8b 0c 00 f7 d8 64 89 02 b8
> RSP: 002b:00007ffeca28e148 EFLAGS: 00000206 ORIG_RAX: 00000000000000a9
> RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f912675f2d7
> RDX: 0000000001234567 RSI: 0000000028121969 RDI: 00000000fee1dead
> RBP: 00007ffeca28e3d0 R08: 000000000000000a R09: 0000000000000000
> R10: 0000000000000232 R11: 0000000000000206 R12: 0000000000000001
> R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffeca28e4b8
> ---[ end trace 2ed17eabd3ab6938 ]---
> ------------[ cut here ]------------
>
> The bisect came to this commit:
>
> fe0f1e3bfdfeb53e18f1206aea4f40b9bd1f291c
> ("drm/i915: Shut down displays gracefully on reboot")
>
> Which makes sense, as it happens on shutdown.
>
> -- Steve
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