Public bug reported:
Booting the
https://cdimage.ubuntu.com/daily-live/pending/resolute-desktop-arm64.iso from
02/14/26 and 02/14/21 on The Lenovo Thinkpad X13s or Windows Dev Kit 2023 don't
boot. They either reset or stall. Both devices boot nicely with the Ubuntu
Concept X1E kernel 6.19.0-6, but on the installed Ubuntu 25.10 from internal
SSD.
Digging a bit, I can see these dmesg lines when booting up (after init, shortly
after speed-test for RAID6, as it seems after async_tx_init:
gpi 800000.dma-controller: Error with cmd: CH START completion timeout
gpi 800000.dma-controller: Error with cmd: DE ALLOC ret:-5
The WDK resets shortly after that, the X13s stalls. Bouth don't reach a
login.
My guess is its somewhere in the udev rules or init script, as the same
kernel runs fine on 25.10.
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: gpi-dma resolute sc8280xp
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https://bugs.launchpad.net/bugs/2142403
Title:
Ubuntu Resolute Desktop image arm64 - Boot on SC8280XP stalls with
gpi-dma errors
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