On Wed, Oct 26, 2022 at 9:06 AM Ken Smith via users < users@lists.fedoraproject.org> wrote:
> Hi everyone, > > I have a Dell Latitude 5480 laptop with a Fedora 36 install. It crashes > regularly, uptime can sometimes be less that 5 mins but sometimes it > lasts several hours. There is no trace at all in journalctl of its > demise. It behaves like a machine with a memory issue. I've moved the > memory from one slot to another and cleaned the connector. > > I've been using Redhat style systems for over 20 years and have known > uptimes of several years. This laptop also boots Win10 and that install > is stable. The machine passes Dells internal diagnostics. I'm travelling > this week and don't have access to memtest86, but the Win10 memory test > passes. Once I'm back home I can network boot it and run memtest86 and > FC36 live - which will eliminate the ssd & its controller from the picture. > . > This machine has a KabbyLake processor (Intel Core i5-7200U 2.50GHz), 8G > memory, an Intel i915 (HD Graphics 620) GPU and SSD storage. I've read > on various forums that this combination of CPU/GPU can be problematic > and some mentions that an upcoming Kernel release may contain a remedy > for this. > > In addition to the FC36 standard kernel, I have tried a 6.0 kernel build > and even the development 6.1 kernel from Rawhide's daily builds ( Beta > for FC38 ) and its related firmware RPM. Also tried loading the 5.11 > kernel from FC34. All with the same results. In fact the FC38 beta > kernel only survives a few minutes even without the GUI. > > Is this hardware faulty, despite Win10 being stable? Does the Linux > install stress the hardware in a way Win10 doesent. Should I hold on > for a later kernel release with a fix. > > Is anyone else experiencing this issue? I'd value any insights. > > Many thanks > > Ken > > > > > Ken- You should probably grab the kdump and post a BZ at http://bugzilla.redhat.com and maybe a kernel engineer can dig into the issue further. Here is a document on how to use kdumps https://fedoraproject.org/wiki/How_to_use_kdump_to_debug_kernel_crashes Regards, -Jamie >
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