No, only pci=noats works
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Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
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I have the same issue on Radeon 570 4gb, Ryzen 1700, MSI Tomahawk on
18.04.
The only way to boot is to use IOMMU=soft.
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https://bugs.launchpad.net/bugs/1747463
Title:
kernel crashes
** Bug watch added: freedesktop.org Bugzilla #110360
https://bugs.freedesktop.org/show_bug.cgi?id=110360
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https://bugs.launchpad.net/bugs/1747463
Title:
kernel crashes during boot
I have also had this problem - MSI Tomahawk Arctic B350, ryzen 1700, vega 56 gpu
ubuntu 19.04 - ignores bios setting, attempts to boot, kernel panic with lots
of AMD-Vi: Completion-Wait loop timed out
Reboot to find grub in rescue mode, and all ext4 partitions wiped. Can't
boot live disc either,
** Changed in: linux (Ubuntu)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
** Changed in: linux (Ubuntu Bionic)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
** Changed in: linux (Ubuntu Cosmic)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
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I have the same issue, but with a Ryzen 7 1700 with the following
setups:
Setup 1:
Motherboard: Gigabyte B450 Aorus M (Latest BIOS installed)
RAM: 32 GB DDR4 Crucial 3000 Mhz
GPU1: Sapphire Radeon RX 580 Nitro+ Special Edition 8GB GDDR5
GPU2: Asus Mining Radeon RX 470 4G GDDR5
SSD: 240 GB WD
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Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
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Launchpad has imported 21 comments from the remote bug at
https://bugzilla.kernel.org/show_bug.cgi?id=194521.
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will be sent to the remote bug automatically. Read more about
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All the tests were done with iommu turned off and SVE turned on in the
bios, and it does not boot without iommu=soft
When booting with SVE and IOMMU enabled in the bios I got an endless
screen of text and I couldn't make up anything from it.
booting with iommu turned on in the kernel and SVE
4.18 rc1 + mem_encrypt=off
** Attachment added: "early boot"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5155268/+files/IMG_20180621_200328.jpg
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4.18 rc1 + mem_encrypt=off
** Attachment added: "initramfs"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5155269/+files/IMG_20180621_200451.jpg
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4.18 rc1 + mem_encrypt=off
** Attachment added: "exit initramfs"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5155270/+files/IMG_20180621_200545.jpg
** Changed in: linux (Ubuntu Bionic)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu Cosmic)
4.18 rc1
** Attachment added: "part 2"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5155267/+files/IMG_20180621_195717.jpg
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The attached screenshots are the result of booting 4.18 rc1 kernel
** Attachment added: "part 1"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5155266/+files/IMG_20180621_195656.jpg
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** Changed in: linux (Ubuntu Bionic)
Status: Triaged => Incomplete
** Changed in: linux (Ubuntu Cosmic)
Status: Triaged => Incomplete
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@Peridot,
Request from Upstream:
For the original 4.13 kernel, I don't
see any attachments that have the AMD-Vi messages in question. Were they
completion timeouts (like in the later mainline kernel test, which I'll
get to in a bit) or I/O page fault messages? Without that information it
is
I tested with 4.17 rc4 and the problem persists
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Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
To manage
@Peridot, I know you responded that the current mainline kernel still
exhibits the bug on IRC. However, could you also add that test result
to this bug report for upstream tracking?
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Can you see if this bug still exists in current mainline:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17-rc5/
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Title:
kernel crashes during
The patch mentioned in the upstream bug report and comment #25 never
landed in mainline. I tried to apply it to Bionic, but it does not
apply cleanly. I'll work on back porting it. I'll post a test kernel
shortly. We can then update upstream with testing results.
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** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Also affects: linux (Ubuntu Cosmic)
Importance: Medium
Assignee: Joseph Salisbury (jsalisbury)
Status: Confirmed
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
I agree, I just meant that that bug might also be useful with debugging.
It was closed because zesty reached EOL.
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Title:
kernel crashes during
I don't see the patch is in upstream Linux though, so still worth a try.
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Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen
The upstream bug https://bugs.freedesktop.org/show_bug.cgi?id=101029
makes reference to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1683184 which is
marked as fix released, just a heads up.
** Bug watch added: freedesktop.org Bugzilla #101029
Looks like there's a patch but not upstreamed yet,
https://patchwork.freedesktop.org/patch/157327/
** Bug watch added: Linux Kernel Bug Tracker #194521
https://bugzilla.kernel.org/show_bug.cgi?id=194521
** Also affects: linux via
https://bugzilla.kernel.org/show_bug.cgi?id=194521
AMD-v was not enabled but with it enabled booting without iommu=soft
results in a crash that only lasts about a second and then loses HDMI
connection. This is with the Ubuntu Kernel
** Attachment added: "amdv and iommu enabled ubuntu kernel"
And with the mainline kernel
** Attachment added: "amdv and iommu enabled mainline kernel"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5052087/+files/mainland.jpg
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Though with iommu=soft it boots on both kernels with IOMMU and AMD-v
enabled in the BIOS
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Title:
kernel crashes during boot unless IOMMU is
Is AMD-V enabled in BIOS?
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Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
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I found it also boots with IOMMU turned on in the bios as long as you
set iommu=soft, both with the ubuntu kernel and the mainline kernel.
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Title:
When I exit the above pictured initram prompt I get a full crash.
** Attachment added: "upstream kernel iommu segfault"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5051784/+files/IMG_20180209_115216.jpg
** Tags added: kernel-bug-exists-upstream
** Changed in:
this is the result of booting with the upstream kernel with IOMMU turned
on in the bios
** Attachment added: "upstream kernel with iommu"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5051781/+files/IMG_20180209_115100.jpg
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.15
** Summary changed:
- kernel crashes unless IOMMU is disabled on Ryzen 1800X
+ kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
** Description changed:
I'm on a Ryzen 1800X and Biostar B350GT5 on bionic kubuntu.
- Lots of AMD-Vi logged events and I get irq crashes or
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