No, only pci=noats works
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Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
Status in Linux:
Confirmed
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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Title:
** Bug watch added: freedesktop.org Bugzilla #110360
https://bugs.freedesktop.org/show_bug.cgi?id=110360
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Title:
kernel crashes
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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Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
Status in Linux:
Confirmed
Status in linux package in
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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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: "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 + 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
** 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
Status
@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
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
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
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
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
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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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"
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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Is AMD-V enabled in BIOS?
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Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
Status in linux package 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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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:
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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