No, only pci=noats works
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https://bugs.launchpad.net/bugs/1747463
Title:
kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X
Status in Linux:
Confirmed
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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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
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
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
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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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:
** 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
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049294/+files/WifiSyslog.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049292/+files/PulseList.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049288/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049285/+files/Lspci.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049291/+files/ProcModules.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049293/+files/UdevDb.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049289/+files/ProcEnviron.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049290/+files/ProcInterrupts.txt
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apport information
** Attachment added: "JournalErrors.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049284/+files/JournalErrors.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049286/+files/Lsusb.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049287/+files/ProcCpuinfo.txt
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apport information
** Tags added: apport-collected bionic
** 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 acpi hangups with
a normal boot. How I it to work is to disable IOMMU in the BIOS and add
apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049282/+files/CRDA.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1747463/+attachment/5049283/+files/CurrentDmesg.txt
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1747463
Title:
kernel crashes unless IOMMU is disabled on Ryzen 1800X
Opened the new bug at
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463
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https://bugs.launchpad.net/bugs/1690085
Title:
Ryzen 1800X freeze - rcu_sched detected
Public bug reported:
I'm on a Ryzen 1800X and Biostar B350GT5 on bionic kubuntu.
Lots of AMD-Vi logged events and I get irq crashes or acpi hangups with
a normal boot. How I it to work is to disable IOMMU in the BIOS and add
"iommu=soft" to the kernel booting options in grub.
linux can then
This is still an issue even with the bionic dailies. The easiest way
(read: without recompiling kernels) I have found to get it to work is to
disable IOMMU in your BIOS and add "iommu=soft" to the kernel booting
options in grub.
linux can then detect everything properly (all cores) and I've had
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