<p dir="ltr">Does the system normally lock up when idling or when under heavy load? I find that when under memory pressure (start Android Studio, start an emulator, etc) I could make the system so sluggish that the mouse wouldn't even move and switching to a VT doesn't work... </p>
<p dir="ltr">or doesn't seem so; wait long enough and the mouse pointer will move again but it's faster to just power cycle at that point. </p>
<p dir="ltr">If it's a similar problem, then I wonder... Recent changes in swap behavior? On my non-Fedora work laptop with an older kernel, similar memory pressure has a less adverse effect. </p>
<p dir="ltr">- <br>
Michel </p>
<br><div class="gmail_quote"><div dir="ltr">On Tue, Oct 6, 2015, 05:30 Sanne Grinovero <<a href="mailto:sanne.grinovero@gmail.com">sanne.grinovero@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 5 October 2015 at 13:58, Kamil Paral <<a href="mailto:kparal@redhat.com" target="_blank">kparal@redhat.com</a>> wrote:<br>
>> Hi all,<br>
>> I was brave enough to upgrade my primary work laptop - a Lenovo laptop<br>
>> T440s - from Fedora 22 (workstation) to the Beta of version 23.<br>
>><br>
>> The upgrade was smooth, Gnome 3 is working great, and it's all looking<br>
>> gorgeous but the machine occasionally seems to "freeze" and I have to<br>
>> long-press the power button to force a shut down as it won't react to<br>
>> any other key combination I tried (from ctrl-alt-del to<br>
>> ctrl-alt-F1..F9, ctrl-alt-backspace).<br>
>><br>
>> Kernel version is 4.2.1-300.fc23.x86_64 (not tainted nor customized).<br>
>><br>
>> The boot command line is the "vanilla" one:<br>
>> BOOT_IMAGE=/vmlinuz-4.2.1-300.fc23.x86_64<br>
>> root=UUID=f12bc342-dcf1-4c72-815f-4d3c0475a9f0 ro<br>
>> rootflags=subvol=root vconsole.font=latarcyrheb-sun16 rhgb quiet<br>
>><br>
>> Is there anything I can do to help getting this fixed?<br>
>><br>
>> I guess a good start would be to report it on some issue tracker, but<br>
>> I'm not sure which one, or which component: I probably need some help<br>
>> to narrow it done somewhat?<br>
>><br>
>> Thanks,<br>
>> Sanne<br>
><br>
><br>
> Are you using a docking station perhaps? At least Intel cards are known to hang the system with it:<br>
> <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1256712" rel="noreferrer" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1256712</a><br>
<br>
Yes it's an Intel one, and yes I'm using a dock but it's only to get<br>
it charged conveniently and connect to other perks - such as wired<br>
network and input devices - but the dock has no monitor attached.<br>
<br>
I've had the lockups happen frequently when travelling; been away for<br>
2 weeks now: that implies no dock at all for many days, and even with<br>
several reboots between the last time it was in the dock (obviously,<br>
because of the issue itself).<br>
<br>
Thanks,<br>
Sanne<br>
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