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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Intel 8550U with 620UHD GPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108132#c84">Comment # 84</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Intel 8550U with 620UHD GPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108132">bug 108132</a>
from <span class="vcard"><a class="email" href="mailto:dm@rusinv.com" title="Dmitry <dm@rusinv.com>"> <span class="fn">Dmitry</span></a>
</span></b>
<pre>(In reply to Yugge from <a href="show_bug.cgi?id=108132#c83">comment #83</a>)
<span class="quote">> (In reply to Dmitry from <a href="show_bug.cgi?id=108132#c81">comment #81</a>)
> > Lenovo 720s-13IKS 81A8000SRK. Update to latest BIOS (5SSCN34WW to 5SCN38WW)
> > fix the problem for me. Ubuntu 18.10.
>
> Was interested to see if it was indeed a bios issue for my Lenovo 720s-13IKB
> 81BV so I updated the bios to 6MCN28WW. The issue still remained,
> unfortunately. Just to confirmed, that model is the UHD version right?</span >
Yes, UHD versoin.
dm@720S-13IKB:~$ sudo systool -vm i915
[sudo] пароль Ð´Ð»Ñ dm:
Module = "i915"
Attributes:
coresize = "1740800"
initsize = "0"
initstate = "live"
refcnt = "20"
srcversion = "8F2ABA1EAAB491BBB0801EE"
taint = ""
uevent = <store method only>
Parameters:
alpha_support = "N"
disable_display = "N"
disable_power_well = "1"
dmc_firmware_path = "(null)"
edp_vswing = "0"
enable_cmd_parser = "Y"
enable_dc = "-1"
enable_dp_mst = "Y"
enable_dpcd_backlight= "N"
enable_fbc = "1"
enable_guc = "0"
enable_gvt = "N"
enable_hangcheck = "Y"
enable_ips = "1"
enable_ppgtt = "3"
enable_psr = "0"
error_capture = "Y"
fastboot = "N"
force_reset_modeset_test= "N"
guc_firmware_path = "(null)"
guc_log_level = "0"
huc_firmware_path = "(null)"
invert_brightness = "0"
load_detect_test = "N"
lvds_channel_mode = "0"
mmio_debug = "0"
modeset = "-1"
nuclear_pageflip = "N"
panel_ignore_lid = "1"
panel_use_ssc = "-1"
prefault_disable = "N"
reset = "2"
vbt_firmware = "(null)"
vbt_sdvo_panel_type = "-1"
verbose_state_checks= "Y"
dm@720S-13IKB:~$ uname -a
Linux 720S-13IKB 4.18.0-12-generic #13-Ubuntu SMP Wed Nov 14 15:17:05 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
dm@720S-13IKB:~$ tlp-stat -s
--- TLP 1.1 --------------------------------------------
+++ System Info
System = LENOVO Lenovo ideapad 720S-13IKB 81A8
BIOS = 5SCN38WW
Release = Ubuntu 18.10
Kernel = 4.18.0-12-generic #13-Ubuntu SMP Wed Nov 14 15:17:05 UTC 2018
x86_64
/proc/cmdline = BOOT_IMAGE=/vmlinuz-4.18.0-12-generic root=/dev/nvme0n1p3 ro
quiet splash vt.handoff=1
Init system = systemd v239
Boot mode = UEFI</pre>
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