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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [i9xx TV][BISECT] vblank wait timeout on crtc"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93782#c79">Comment # 79</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [i9xx TV][BISECT] vblank wait timeout on crtc"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93782">bug 93782</a>
from <span class="vcard"><a class="email" href="mailto:rene@exactcode.de" title="René Rebe <rene@exactcode.de>"> <span class="fn">René Rebe</span></a>
</span></b>
<pre>My vintage MacBook4,1 is obviously also affected by this:
[ 0.000000] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:41:pipe B] flip_done timed out
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] vblank wait timed out on crtc 1
[ 0.000000] WARNING: CPU: 0 PID: 1158 at drivers/gpu/drm/drm_vblank.c:1084
drm_wait_one_vblank+0x15c/0x170 [drm]
[ 0.000000] Modules linked in: ipv6 kvm_intel kvm irqbypass btusb btintel
btbcm btrtl bluetooth ecdh_generic b43 mac80211 deflate efi_pstore mcryptd
sha256_ssse3 joydev i915 snd_hda_codec_realtek sha256_generic
snd_hda_codec_generic gpio_ich snd_hda_intel snd_hda_codec snd_hda_core
applesmc input_leds drm_kms_helper hwmon appletouch isight_firmware snd_hwdep
input_polldev cfg80211 drm fb_sys_fops sysimgblt sysfillrect rfkill syscopyarea
snd_pcm i2c_algo_bit bcma snd_timer i2c_i801 rng_core snd pcspkr i2c_core
intel_agp led_class ssb_hcd lpc_ich intel_gtt soundcore efivars apple_bl
acpi_cpufreq dm_crypt ecb glue_helper crypto_simd cryptd aes_x86_64 xts
algif_skcipher af_alg hid_apple dm_mod xfs udf reiserfs ntfs jfs isofs vfat
msdos fat ext4 jbd2 crc16 ext2 mbcache dlm fscrypto configfs btrfs raid6_pq
[ 0.000000] zstd_compress xor libcrc32c raid1 md_mod sr_mod ide_gd_mod
hid_appleir hid_generic usbhid hid uas usb_storage ide_generic firewire_sbp2 sg
sd_mod ide_cd_mod cdrom pata_acpi ide_pci_generic ata_generic ata_piix ahci
libahci ehci_pci ehci_hcd uhci_hcd firewire_ohci firewire_core crc_itu_t piix
ssb sky2 libata usbcore usb_common
[ 0.000000] CPU: 0 PID: 1158 Comm: X Tainted: G W 4.17.6-dist
#1
[ 0.000000] Hardware name: Apple Inc. MacBook4,1/Mac-F22788A9, BIOS
MB41.88Z.00C1.B00.0802091535 02/09/08
[ 0.000000] RIP: 0010:drm_wait_one_vblank+0x15c/0x170 [drm]
[ 0.000000] RSP: 0018:ffffa36d402f7a08 EFLAGS: 00010286
[ 0.000000] RAX: 0000000000000000 RBX: ffff95732e4b0000 RCX:
0000000000000006
[ 0.000000] RDX: 0000000000000007 RSI: 0000000000000096 RDI:
ffff95733fc15390
[ 0.000000] RBP: 0000000000000001 R08: 0000000000000030 R09:
0000000000000512
[ 0.000000] R10: 0000000000000000 R11: 0000000000000001 R12:
0000000000000000
[ 0.000000] R13: 000000000b000009 R14: ffff95732e661968 R15:
ffff9573297fa800
[ 0.000000] FS: 00007f84795bbcc0(0000) GS:ffff95733fc00000(0000)
knlGS:0000000000000000
[ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.000000] CR2: 0000000001684038 CR3: 000000012b90a000 CR4:
00000000000006f0
[ 0.000000] Call Trace:
[ 0.000000] ? wait_woken+0x80/0x80
[ 0.000000] intel_get_load_detect_pipe+0x365/0x3b0 [i915]
[ 0.000000] intel_tv_detect+0x126/0x490 [i915]
[ 0.000000] ? merge+0x59/0xb0
[ 0.000000] ? drm_modeset_lock+0x2b/0xa0 [drm]
[ 0.000000] drm_helper_probe_single_connector_modes+0xce/0x6b0
[drm_kms_helper]
[ 0.000000] drm_mode_getconnector+0x2c3/0x2f0 [drm]
[ 0.000000] ? _cond_resched+0x10/0x20
[ 0.000000] ? mutex_lock+0x9/0x30
[ 0.000000] ? drm_mode_connector_property_set_ioctl+0x50/0x50 [drm]
[ 0.000000] drm_ioctl_kernel+0x56/0xb0 [drm]
[ 0.000000] drm_ioctl+0x18d/0x350 [drm]
[ 0.000000] ? drm_mode_connector_property_set_ioctl+0x50/0x50 [drm]
[ 0.000000] ? __fpu__restore_sig+0x70/0x410
[ 0.000000] do_vfs_ioctl+0x9f/0x5f0
[ 0.000000] ? _copy_from_user+0x37/0x60
[ 0.000000] ksys_ioctl+0x35/0x70
[ 0.000000] __x64_sys_ioctl+0x11/0x20
[ 0.000000] do_syscall_64+0x5a/0x170
[ 0.000000] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 0.000000] RIP: 0033:0x7f847713ebb7
[ 0.000000] RSP: 002b:00007ffc5f9fb338 EFLAGS: 00003246 ORIG_RAX:
0000000000000010
[ 0.000000] RAX: ffffffffffffffda RBX: 0000000001684f80 RCX:
00007f847713ebb7
[ 0.000000] RDX: 00007ffc5f9fb370 RSI: 00000000c05064a7 RDI:
000000000000000c
[ 0.000000] RBP: 000000000000000c R08: 001e14ebd77f85a3 R09:
00007ffc5facb080
[ 0.000000] R10: 000000000000ed2c R11: 0000000000003246 R12:
00000000c05064a7
[ 0.000000] R13: 00007ffc5f9fb370 R14: 00007ffc5f9fb370 R15:
0000000001684e30
[ 0.000000] Code: 5f f6 0f 0b e9 32 ff ff ff 48 89 e6 4c 89 f7 e8 cb ad 62
f6 45 85 e4 0f 85 14 ff ff ff 89 ee 48 c7 c7 38 cf a7 c0 e8 eb 26 5f f6 <0f> 0b
e9 ff fe ff ff e8 28 25 5f f6 0f 1f 84 00 00 00 00 00 8b
[ 0.000000] ---[ end trace 10a5ec3e58e1a8d1 ]---</pre>
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