Date: Wed, 17 Jan 2024 09:02:34 -0500 From: mike tancsa <mike@sentex.net> To: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: tracking down i386 mount issue between Aug 2023 and now-- RELENG_13 Message-ID: <92508ceb-437d-4be1-81ec-db85674dd46d@sentex.net> In-Reply-To: <1c266591-11b0-4f75-addf-6a02469441a8@sentex.net> References: <1c266591-11b0-4f75-addf-6a02469441a8@sentex.net>
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On 1/16/2024 9:48 AM, mike tancsa wrote: > > I dont have truss on the box to attach to the process and ktrace > doesnt seem to show anything either. Does this sort of hang ring a > bell for anyone ? Looking back at the git logs, a coarse search for > anything to do with mount, doesnt come up with much (2 below). Also > since then a new version of clang so not quite where to start. > > Any guidance appreciated. Testing is difficult as the hang doesnt > always happen -- sometimes within a day, sometimes 5 days. ssh is > usually borked as well as some processes. I have a scaled down > telegraf agent collecting some basic stats, and the cpu is pegged at > 100%. These are single core devices so not sure what is pegging the > CPU. RAM still shows some available so it doesnt seem to be memory > pressures. > > Another data point, in one of the test boxes I have running in the lab, on the serial console before it became unresponsive, I am seeing kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) Beyond that printing out to the console, I cant do anything with the box as its not responsive.
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