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<body><span class="vcard"><a class="email" href="mailto:giulio.genovese@gmail.com" title="freeseek <giulio.genovese@gmail.com>"> <span class="fn">freeseek</span></a>
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<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [ivb DP dual link DVI dongle regression] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up"
href="https://bugs.freedesktop.org/show_bug.cgi?id=56834">bug 56834</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>REOPENED
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [ivb DP dual link DVI dongle regression] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up"
href="https://bugs.freedesktop.org/show_bug.cgi?id=56834#c52">Comment # 52</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [ivb DP dual link DVI dongle regression] [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up"
href="https://bugs.freedesktop.org/show_bug.cgi?id=56834">bug 56834</a>
from <span class="vcard"><a class="email" href="mailto:giulio.genovese@gmail.com" title="freeseek <giulio.genovese@gmail.com>"> <span class="fn">freeseek</span></a>
</span></b>
<pre>Never mind, while the situation has improved, I still get errors like this one:
[ 28.067101] [drm:intel_dp_aux_native_write] *ERROR* too many retries, giving
up
[ 28.067105] [drm:intel_dp_start_link_train] *ERROR* failed to enable link
training
[ 28.106453] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP,
aborting
[ 28.106458] ------------[ cut here ]------------
[ 28.106489] WARNING: CPU: 0 PID: 1449 at
/build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_dp.c:2747
intel_dp_link_down+0x1d2/0x210 [i915]()
[ 28.106490] Modules linked in: pci_stub vboxpci(OF) vboxnetadp(OF)
vboxnetflt(OF) vboxdrv(OF) rfcomm bnep binfmt_misc asix usbnet mii intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel uvcvideo videobuf2_vmall
oc videobuf2_memops videobuf2_core aesni_intel videodev aes_x86_64 lrw gf128mul
glue_helper ablk_helper cryptd joydev serio_raw btusb bluetooth arc4
snd_hda_codec_hdmi iwldvm mac80211 snd_hda_codec_conexant thinkpad_acpi nvram
snd_seq_midi snd_hda_intel snd_hda_codec snd_seq_midi_ev
ent snd_hwdep iwlwifi cfg80211 snd_rawmidi snd_pcm lpc_ich snd_page_alloc
mei_me mei snd_seq snd_seq_device snd_timer snd soundcore mac_hid parport_pc
ppdev lp parport raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq raid1 raid0 multipath linear
hid_generic usbhid hid i915 psmouse ahci libahci sdhci_pci sdhci i2c_algo_bit
e1000e drm_kms_helper ptp drm pps_core wmi video
[ 28.106539] CPU: 0 PID: 1449 Comm: Xorg Tainted: GF O
3.13.0-30-generic #55-Ubuntu
[ 28.106540] Hardware name: LENOVO 42872WU/42872WU, BIOS 8DET69WW (1.39 )
07/18/2013
[ 28.106542] 0000000000000009 ffff8800c1df5a30 ffffffff8171a324
0000000000000000
[ 28.106545] ffff8800c1df5a68 ffffffff810676bd ffff8800362e40c8
ffff880212685800
[ 28.106548] ffff88021246f000 0000000080180004 ffff88020cc94000
ffff8800c1df5a78
[ 28.106550] Call Trace:
[ 28.106556] [<ffffffff8171a324>] dump_stack+0x45/0x56
[ 28.106560] [<ffffffff810676bd>] warn_slowpath_common+0x7d/0xa0
[ 28.106562] [<ffffffff8106779a>] warn_slowpath_null+0x1a/0x20
[ 28.106577] [<ffffffffa0165142>] intel_dp_link_down+0x1d2/0x210 [i915]
[ 28.106591] [<ffffffffa0169b4f>] intel_dp_complete_link_train+0x11f/0x350
[i915]
[ 28.106603] [<ffffffffa0169dec>] intel_enable_dp+0x6c/0xa0 [i915]
[ 28.106614] [<ffffffffa0169e32>] g4x_enable_dp+0x12/0x30 [i915]
[ 28.106627] [<ffffffffa015373b>] ironlake_crtc_enable+0x34b/0x520 [i915]
[ 28.106640] [<ffffffffa0155769>] __intel_set_mode+0x859/0x9d0 [i915]
[ 28.106653] [<ffffffffa0158426>] intel_set_mode+0x16/0x30 [i915]
[ 28.106666] [<ffffffffa0158cdb>] intel_crtc_set_config+0x7ab/0x9a0 [i915]
[ 28.106680] [<ffffffffa0029ebd>] drm_mode_set_config_internal+0x5d/0xe0
[drm]
[ 28.106693] [<ffffffffa002cda7>] drm_mode_setcrtc+0xf7/0x5e0 [drm]
[ 28.106703] [<ffffffffa001dc22>] drm_ioctl+0x502/0x630 [drm]
[ 28.106709] [<ffffffff811cfa20>] do_vfs_ioctl+0x2e0/0x4c0
[ 28.106713] [<ffffffff8109dd94>] ? vtime_account_user+0x54/0x60
[ 28.106716] [<ffffffff811cfc81>] SyS_ioctl+0x81/0xa0
[ 28.106720] [<ffffffff8172aeff>] tracesys+0xe1/0xe6
[ 28.106722] ---[ end trace b9ba88310aede0da ]---
[ 28.136947] [drm:cpt_verify_modeset] *ERROR* mode set failed: pipe A stuck
[ 28.197004] ------------[ cut here ]------------
[ 28.197027] WARNING: CPU: 0 PID: 1449 at
/build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9226
intel_modeset_check_state+0x62d/0x780 [i915]()
[ 28.197028] encoder's hw state doesn't match sw tracking (expected 1, found
0)
[ 28.197029] Modules linked in: pci_stub vboxpci(OF) vboxnetadp(OF)
vboxnetflt(OF) vboxdrv(OF) rfcomm bnep binfmt_misc asix usbnet mii intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel uvcvideo videobuf2_vmall
oc videobuf2_memops videobuf2_core aesni_intel videodev aes_x86_64 lrw gf128mul
glue_helper ablk_helper cryptd joydev serio_raw btusb bluetooth arc4
snd_hda_codec_hdmi iwldvm mac80211 snd_hda_codec_conexant thinkpad_acpi nvram
snd_seq_midi snd_hda_intel snd_hda_codec snd_seq_midi_ev
ent snd_hwdep iwlwifi cfg80211 snd_rawmidi snd_pcm lpc_ich snd_page_alloc
mei_me mei snd_seq snd_seq_device snd_timer snd soundcore mac_hid parport_pc
ppdev lp parport raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq raid1 raid0 multipath linear
hid_generic usbhid hid i915 psmouse ahci libahci sdhci_pci sdhci i2c_algo_bit
e1000e drm_kms_helper ptp drm pps_core wmi video
[ 28.197065] CPU: 0 PID: 1449 Comm: Xorg Tainted: GF W O
3.13.0-30-generic #55-Ubuntu
[ 28.197066] Hardware name: LENOVO 42872WU/42872WU, BIOS 8DET69WW (1.39 )
07/18/2013
[ 28.197067] 0000000000000009 ffff8800c1df5b68 ffffffff8171a324
ffff8800c1df5bb0
[ 28.197070] ffff8800c1df5ba0 ffffffff810676bd ffff8800c1df5c20
0000000000000001
[ 28.197072] ffff880212685800 ffff880212685af8 ffff8800362e4000
ffff8800c1df5c00
[ 28.197074] Call Trace:
[ 28.197079] [<ffffffff8171a324>] dump_stack+0x45/0x56
[ 28.197081] [<ffffffff810676bd>] warn_slowpath_common+0x7d/0xa0
[ 28.197083] [<ffffffff8106772c>] warn_slowpath_fmt+0x4c/0x50
[ 28.197094] [<ffffffffa015824d>] intel_modeset_check_state+0x62d/0x780
[i915]
[ 28.197104] [<ffffffffa0158435>] intel_set_mode+0x25/0x30 [i915]
[ 28.197113] [<ffffffffa0158cdb>] intel_crtc_set_config+0x7ab/0x9a0 [i915]
[ 28.197124] [<ffffffffa0029ebd>] drm_mode_set_config_internal+0x5d/0xe0
[drm]
[ 28.197133] [<ffffffffa002cda7>] drm_mode_setcrtc+0xf7/0x5e0 [drm]
[ 28.197140] [<ffffffffa001dc22>] drm_ioctl+0x502/0x630 [drm]
[ 28.197145] [<ffffffff811cfa20>] do_vfs_ioctl+0x2e0/0x4c0
[ 28.197147] [<ffffffff8109dd94>] ? vtime_account_user+0x54/0x60
[ 28.197150] [<ffffffff811cfc81>] SyS_ioctl+0x81/0xa0
[ 28.197152] [<ffffffff8172aeff>] tracesys+0xe1/0xe6
[ 28.197154] ---[ end trace b9ba88310aede0db ]---
[ 28.197167] [drm:intel_pipe_config_compare] *ERROR* mismatch in
has_dp_encoder (expected 1, found 0)
[ 28.197168] ------------[ cut here ]------------
[ 28.197177] WARNING: CPU: 0 PID: 1449 at
/build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9299
check_crtc_state+0x255/0x340 [i915]()
[ 28.197178] pipe state doesn't match!
[ 28.197179] Modules linked in: pci_stub vboxpci(OF) vboxnetadp(OF)
vboxnetflt(OF) vboxdrv(OF) rfcomm bnep binfmt_misc asix usbnet mii intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel uvcvideo videobuf2_vmall
oc videobuf2_memops videobuf2_core aesni_intel videodev aes_x86_64 lrw gf128mul
glue_helper ablk_helper cryptd joydev serio_raw btusb bluetooth arc4
snd_hda_codec_hdmi iwldvm mac80211 snd_hda_codec_conexant thinkpad_acpi nvram
snd_seq_midi snd_hda_intel snd_hda_codec snd_seq_midi_event snd_hwdep iwlwifi
cfg80211 snd_rawmidi snd_pcm lpc_ich snd_page_alloc mei_me mei snd_seq
snd_seq_device snd_timer snd soundcore mac_hid parport_pc ppdev lp parport
raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor
raid6_pq raid1 raid0 multipath linear hid_generic usbhid hid i915 psmouse ahci
libahci sdhci_pci sdhci i2c_algo_bit e1000e drm_kms_helper ptp drm pps_core wmi
video
[ 28.197210] CPU: 0 PID: 1449 Comm: Xorg Tainted: GF W O
3.13.0-30-generic #55-Ubuntu
[ 28.197211] Hardware name: LENOVO 42872WU/42872WU, BIOS 8DET69WW (1.39 )
07/18/2013
[ 28.197212] 0000000000000009 ffff8800c1df58a8 ffffffff8171a324
ffff8800c1df58f0
[ 28.197214] ffff8800c1df58e0 ffffffff810676bd ffff88021246f6e0
ffff8800c1df5970
[ 28.197216] ffff880212685800 ffff88021246f000 ffff880212685b28
ffff8800c1df5940
[ 28.197218] Call Trace:
[ 28.197220] [<ffffffff8171a324>] dump_stack+0x45/0x56
[ 28.197222] [<ffffffff810676bd>] warn_slowpath_common+0x7d/0xa0
[ 28.197223] [<ffffffff8106772c>] warn_slowpath_fmt+0x4c/0x50
[ 28.197233] [<ffffffffa0148fcb>] ? intel_pipe_config_compare+0x5fb/0xac0
[i915]
[ 28.197242] [<ffffffffa014a7d5>] check_crtc_state+0x255/0x340 [i915]
[ 28.197252] [<ffffffffa0157edb>] intel_modeset_check_state+0x2bb/0x780
[i915]
[ 28.197261] [<ffffffffa0158435>] intel_set_mode+0x25/0x30 [i915]
[ 28.197269] [<ffffffffa0158cdb>] intel_crtc_set_config+0x7ab/0x9a0 [i915]
[ 28.197278] [<ffffffffa0029ebd>] drm_mode_set_config_internal+0x5d/0xe0
[drm]
[ 28.197287] [<ffffffffa002cda7>] drm_mode_setcrtc+0xf7/0x5e0 [drm]
[ 28.197294] [<ffffffffa001dc22>] drm_ioctl+0x502/0x630 [drm]
[ 28.197298] [<ffffffff811cfa20>] do_vfs_ioctl+0x2e0/0x4c0
[ 28.197300] [<ffffffff8109dd94>] ? vtime_account_user+0x54/0x60
[ 28.197302] [<ffffffff811cfc81>] SyS_ioctl+0x81/0xa0
[ 28.197304] [<ffffffff8172aeff>] tracesys+0xe1/0xe6
[ 28.197305] ---[ end trace b9ba88310aede0dc ]---
Could the problem be related to this:
<a href="http://www.spinics.net/lists/intel-gfx/msg46896.html">http://www.spinics.net/lists/intel-gfx/msg46896.html</a></pre>
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