I fixed the slow booting problem by editing "/etc/hdparm.conf" and
changing "apm_battery" value to "255". Now my laptop boots normally on
battery mode (same speed as plugged in AC).
Now, for the AER problem, just ignore it. Add pci=noaer as kernel boot
parameter.
I hope I helped.
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Very Important Info: I inserted my Samsung 850 EVO 250GB SSD on my
laptop's HDD slot and on battery power, with TLP off, it runs on normal
speed 550MB/S Read/Write! My primary M.2 SSD "Micron 1100 250GB" is
still running on 32MB/S Read/Write. That means Micron SSD is checking
for battery/ac mode.
I attached the output of ssd's hdparm results.
2017-11-10 11:17 GMT+02:00 Kai-Heng Feng :
> Can you attach the output of `hdparm -I /dev/sda`? Assume /dev/sda is
> the SSD.
>
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> report.
> https://bugs.launchpad.net/bug
The output of host0,1,etc are all: max_performance.
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https://bugs.launchpad.net/bugs/1726159
Title:
PCIe BUS Error causing really slow laptop performance
Status in linux p
I modified all settings ending on _BAT and some that were related to
storage/sata.
2017-11-06 3:23 GMT+02:00 Kai-Heng Feng :
> > On 3 Nov 2017, at 10:11 PM, George Mathioudakis <
> 1726...@bugs.launchpad.net> wrote:
> >
> > I modified tlp for max performance but t
I modified tlp for max performance but tlp starts only when desktop boots.
So, kernel boot is slow.
2017-11-02 8:57 GMT+02:00 Kai-Heng Feng :
> Did you change the SATA link power management or other settings?
>
> Can you attach the diff of your TLP setting?
>
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Changing TLP config values did the job. But, tlp is making changes only
when the desktop appears. How can I change kernel values to start on max
performance? What value changes tlp does to kernel?
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UPDATE: I installed 'tlp' Advanced Power Management package and when
using the command 'tlp ac', the SSD speed gets back to normal! The
option does not persist across reboots.
** Description changed:
I recently bought the following laptop:
Asus VivoBook X542UQ-DM148T - 15.6" (i7-7500U/8GB/256
I attached the dump file "dump.txt".
2017-10-26 18:12 GMT+03:00 Kai-Heng Feng :
> Please install acpidump, then
>
> $ sudo acpidump > dump
>
> and attach the dump file.
>
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> report.
> https://bugs.launchpad.net/bugs/17
UPDATE: When the laptop is fully charged and still on AC (but not
charging since it is 100% charged), the errors appear again but the SSD
speed is normal (~500 Read/Write).
I don't think that the CPU frequency has a limit when on battery-mode.
The problem is related with my stock SSD (the laptop c
I blacklisted ath10k_pci by adding "modprobe.blacklist=ath10k_pci" as a
kernel parameter.
The errors are gone, but the slow Read/Write problem still persists.
Also, the Wi-Fi (as expected) is going completely off.
Reminder: The erros are not showing on the boot screen or system logs
when connecte
Device booted with the latest mainline kernel "v4.14-rc6" on "Ubuntu
17.04".
Results: Error still persists.
Marking bug report as "CONFIRMED" after following @jsalisbury's advice.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1726159
Title:
PCIe BUS Error causing really slow laptop performance
Status in linux package in
** Description changed:
- I recently bought the following laptop:
+ I recently bought the following laptop:
Asus VivoBook X542UQ-DM148T - 15.6" (i7-7500U/8GB/256GB/GT 940MX 2GB)
It came pre-installed with Win10 and I did a fresh install of Ubuntu
16.04 LTS. The screen was flickering for
** Summary changed:
- PCIe Error causing really slow laptop performance
+ PCIe BUS Error causing really slow laptop performance
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https://bugs.launchpad.net/bugs/1726159
Titl
Public bug reported:
I recently bought the following laptop:
Asus VivoBook X542UQ-DM148T - 15.6" (i7-7500U/8GB/256GB/GT 940MX 2GB)
It came pre-installed with Win10 and I did a fresh install of Ubuntu
16.04 LTS. The screen was flickering for some reason and installing
Ubuntu 17.04 fixed the issue
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