AMD AGESA PinnaclePI-AM4_1.0.0.6 causes amdgpu hang on boot

[Grant Kim]

CPU: AMD Ryzen 5 2400G / AMD Ryzen 3 2200G
Version: Ubuntu 18.04.1 Desktop (AMD64)
Kernel: 4.15.0-43 generic
Mainboard: ASUS Prime X370-Pro (4207), ASRock B450 Pro4 (1.80), MSI B350 Tomahawk (7A34v1K), Gigabyte GA-AB350M-Gaming3 (F24c)

Detailed information:
AMD AGESA version "PinnaclePI-AM4 1.0.0.6" based firmware is released by many major mainboard manufacturers lately.
However, this 1.0.0.6 based firmware with Raven Ridge processors (2200G, 2400G and more) cause system hangs on boot if a system is running 4.15.0 kernel.

If install kernel version 4.18.0-13-generic from "linux-image-generic-hwe-18.04-edge" has no issue.

Here is boot messages output (dumped via serial port and truncated):

[ 4.385021] [drm] ring test on 5 succeeded in 3 usecs
[ 4.385030] [drm] ring test on 6 succeeded in 2 usecs
[ 4.385035] [drm] ring test on 7 succeeded in 1 usecs
[ 4.385044] [drm] ring test on 8 succeeded in 2 usecs
[ 4.385090] [drm] ring test on 10 succeeded in 2 usecs
[ 5.406001] clocksource: timekeeping watchdog on CPU2: Marking clocksource 'tsc' as unstable because the skew is too large:
[ 5.406002] clocksource: 'hpet' wd_now: 5152d87 wd_last: 40b14df mask: ffffffff
[ 5.406004] clocksource: 'tsc' cs_now: f4c92bc9d cs_last: ebf5adbce mask: ffffffffffffffff
[ 5.406006] tsc: Marking TSC unstable due to clocksource watchdog
[ 5.406014] TSC found unstable after boot, most likely due to broken BIOS. Use 'tsc=unstable'.
[ 5.406015] sched_clock: Marking unstable (5406009219, 0)<-(5548358599, -142345214)
[ 7.906021] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 9.156104] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: writing more dwords to the ring than expected!
[ 11.656035] ata2.00: ATA-8: TOSHIBA DT01ACA200, MX4OABB0, max UDMA/133
[ 32.204004] watchdog: BUG: soft lockup - CPU#2 stuck for 21s! [kworker/2:1:60]
[ 32.204005] Modules linked in: hid_logitech_hidpp hid_logitech_dj usbhid hid amdkfd amd_iommu_v2 amdgpu(+) chash i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect uas sysimgblt fb_sys_fops drm r8169 usb_storage i2c_piix4 mii ahci libahci wmi video gpio_a

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

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[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1809934

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[jacobbrett (jacobbrett)]

I think I am suffering from a related bug.

Asrock X370 Taichi, BIOS 5.10 (2018-12-21).
Ryzen 5 2600X.
Radeon RX 580.
Ubuntu 18.04.02 (HWE). I tested with kernel 4.15 and 4.18, no difference.

Can not boot via GRUB with amdgpu driver, unless "amdgpu.dpm=0" is set.

I only integrated the RX 580 into the build recently, after updating to BIOS 5.10 (AGESA 1.0.0.6), so I haven't yet tested previous BIOS versions with this card. I wonder if this latest BIOS update is affecting AMDGPU's DPM?

https://www.asrock.com/mb/AMD/X370%20Taichi/#BIOS

[Launchpad Janitor (janitor)]

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