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https://codeberg.org/libreboot/lbmk.git
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Leah Rowe
48 lines
1.9 KiB
Diff
48 lines
1.9 KiB
Diff
From 4470d8fb6760173090c43e6a82a8865f5917dd9b Mon Sep 17 00:00:00 2001
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From: Leah Rowe <info@minifree.org>
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Date: Wed, 11 Dec 2024 01:06:01 +0000
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Subject: [PATCH 28/51] dell/3050micro: disable nvme hotplug
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in my testing, when running my 3050micro for a few days,
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the nvme would sometimes randomly rename.
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e.g. nvme0n1 renamed to nvme0n2
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this might cause crashes in linux, if booting only from the
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nvme. in my case, i was booting from mdraid (sata+nvme) and
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every few days, the nvme would rename at least once, causing
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my RAID to become unsynced. since i'm using RAID1, this was
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OK and I could simply re-sync the array, but this is quite
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precarious indeed. if you're using raid0, that will potentially
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corrupt your RAID array indefinitely.
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this same issue manifested on the T480/T480 thinkpads, and
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S3 resume would break because of that, when booting from nvme,
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because the nvme would be "unplugged" and appear to linux as a
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new device (the one that you booted from).
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the fix there was to disable hotplugging on that pci-e slot
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for the nvme, so apply the same fix here for 3050 micro
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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---
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.../dell/sklkbl_desktops/variants/optiplex_3050/overridetree.cb | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/mainboard/dell/sklkbl_desktops/variants/optiplex_3050/overridetree.cb b/src/mainboard/dell/sklkbl_desktops/variants/optiplex_3050/overridetree.cb
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index c5f1749b2c..ff48a8121a 100644
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--- a/src/mainboard/dell/sklkbl_desktops/variants/optiplex_3050/overridetree.cb
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+++ b/src/mainboard/dell/sklkbl_desktops/variants/optiplex_3050/overridetree.cb
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@@ -46,7 +46,7 @@ chip soc/intel/skylake
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register "PcieRpAdvancedErrorReporting[20]" = "1"
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register "PcieRpLtrEnable[20]" = "true"
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register "PcieRpClkSrcNumber[20]" = "3"
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- register "PcieRpHotPlug[20]" = "1"
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+ register "PcieRpHotPlug[20]" = "0"
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end
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end
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--
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2.47.3
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