Date: Fri, 07 Jul 2017 11:12:26 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 219399] System panics after several hours of 14-threads-compilation orgies using poudriere on AMD Ryzen... Message-ID: <bug-219399-8-QMcxe7QHog@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-219399-8@https.bugs.freebsd.org/bugzilla/> References: <bug-219399-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219399 --- Comment #51 from SF <shitman71@hotmail.com> --- Its not caused by the b350-chipset, its caused by power-supply of boards wi= th the b350-chipset. I was on the right track, x370 boards with pci-slots also have this weak power-supply. It seems like just the high-end-boards aren't affected by this. You can affect this with cooling, ram and power-settings within your bios. I did try this myself and its exactly what i previously sayed, only power-settings give you more stableness. Set CPU Switching Frequency to the highest you can. Set CPU Power Phase Con= trol to Full Phase Mode. CPU/SOC Load Line Calibration is something i still don't understand what it is doing but setting both to extreme seems to worsen it. Do you remember me saying the top-blower-cooler is worse then the zalman? Do you know why? The top-blower blows the hot air onto the heat-sinks of the power-supply. Do you know why watercooling was much more stable? All the hot stuff got transported away from the board, having the heatsinks getting much less heat. With aircooling i can get stable 3200Mhz with my ram, this previously wasn't possible because i mistakenly put some weak thermal-grease onto it. Thinking this didn't do much. --=20 You are receiving this mail because: You are the assignee for the bug.=
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