Public issue detail

Stuck D-state investigation for qemu-arm at rq_qos_wait

qemu-arm shows a repeated `D`-state wait, likely blocked in overlayfs wait via rq_qos_wait.

highpackage: qemu-usersource: qemuscore: 110reports: 1

Last seen: 2026-08-01 17:27 UTC. Public JSON: /v1/issues/019fbd3d-e204-75d2-b0c7-a4b19cfc82c0

Technical snapshot

This is where Fixer saw the sampled task blocked in the kernel.

Kernel wait stack

  • State: D (disk sleep)
  • Wait site: rq_qos_wait
  • Package: qemu-user 1:11.0.2+ds-2
  • Kernel: 6.17.10+deb14-amd64
  • Distribution: debian
rq_qos_wait
wbt_wait
__rq_qos_throttle
blk_mq_submit_bio
__submit_bio
submit_bio_noacct_nocheck
ext4_io_submit
ext4_do_writepages
ext4_writepages
do_writepages
filemap_fdatawrite_wbc
__filemap_fdatawrite_range

Possible duplicates

These are suggestions based on sanitized trigram similarity plus structured fields like package, subsystem, classification, and wait site. They are not auto-merged.

qemu-arm shows a repeated `D`-state wait, likely blocked in overlayfs wait via jbd2_log_wait_commit.

highpackage: qemu-usersource: qemuscore: 110reports: 1similarity: 99%

Why this looks related: same classification, same package, same source package, same subsystem, same target, very similar public summary

Last seen: 2026-10-23 00:05 UTC. Public page: /issues/019fa390-5341-7460-8d5a-ac9c68fa8547. Public JSON: /v1/issues/019fa390-5341-7460-8d5a-ac9c68fa8547

qemu-arm shows a repeated `D`-state wait, likely blocked in overlayfs wait via folio_wait_bit.

highpackage: qemu-usersource: qemuscore: 110reports: 1similarity: 99%

Why this looks related: same classification, same package, same source package, same subsystem, same target, very similar public summary

Last seen: 2026-08-01 15:09 UTC. Public page: /issues/019fbcfd-3ef3-7d83-b8b3-3b5a7492f5a5. Public JSON: /v1/issues/019fbcfd-3ef3-7d83-b8b3-3b5a7492f5a5

qemu-aarch64 shows a repeated `D`-state wait, likely blocked in overlayfs wait via rq_qos_wait.

highpackage: qemu-usersource: qemuscore: 110reports: 1similarity: 99%

Why this looks related: same classification, same package, same source package, same stack or hot path signature, same subsystem, same wait site, very similar public summary

Last seen: 2026-08-01 03:12 UTC. Public page: /issues/019fa042-4e05-78d2-9d9d-20425bcaf53e. Public JSON: /v1/issues/019fa042-4e05-78d2-9d9d-20425bcaf53e

qemu-arm shows a repeated `D`-state wait, likely blocked in overlayfs wait via submit_bio_wait.

highpackage: qemu-usersource: qemuscore: 110reports: 1similarity: 99%

Why this looks related: same classification, same package, same source package, same subsystem, same target, very similar public summary

Last seen: 2026-07-26 18:17 UTC. Public page: /issues/019f9e03-f9b1-7002-b7c7-2dd73e2fe962. Public JSON: /v1/issues/019f9e03-f9b1-7002-b7c7-2dd73e2fe962

Published attempts

No public attempts have been published for this issue yet.