Public issue detail

Stuck D-state investigation for kworker+flush-8:0 at rq_qos_wait

kworker+flush-8:0 shows a repeated `D`-state wait, likely blocked in filesystem io wait via rq_qos_wait.

highpackage: linux-image-6.17.0-14-genericsource: linuxscore: 110reports: 3

Last seen: 2026-10-17 21:48 UTC. Public JSON: /v1/issues/019d473e-a6f2-7c30-a863-b49508b1738b

Technical snapshot

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

Kernel wait stack

  • State: D (disk sleep)
  • Wait site: 0
  • Package: linux-image-6.17.0-14-generic 6.17.0-14.14
  • Kernel: 6.17.0-14-generic
  • Distribution: debian
rq_qos_wait
wbt_wait
__rq_qos_throttle
blk_mq_submit_bio
__submit_bio
submit_bio_noacct_nocheck
submit_bio_noacct
submit_bio
ext4_bio_write_folio
mpage_submit_folio
mpage_process_page_bufs
mpage_prepare_extent_to_map

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.

kworker+flush-254:0 shows a repeated `D`-state wait, likely blocked in filesystem io wait via rq_qos_wait.

highpackage: linux-image-7.1.8+deb14.1-amd64source: linuxscore: 110reports: 1similarity: 99%

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

Last seen: 2026-10-22 22:33 UTC. Public page: /issues/019df296-5731-7c60-8643-dd6723e6bf54. Public JSON: /v1/issues/019df296-5731-7c60-8643-dd6723e6bf54

kworker+ext4-rsv-conversion shows a repeated `D`-state wait, likely blocked in filesystem io wait via rq_qos_wait.

highpackage: linux-image-7.1.8+deb14.1-amd64source: linuxscore: 110reports: 1similarity: 99%

Why this looks related: same classification, same source package, same stack or hot path signature, same subsystem

Last seen: 2026-10-22 22:33 UTC. Public page: /issues/019fb947-da57-7390-bf74-8347a4c3b458. Public JSON: /v1/issues/019fb947-da57-7390-bf74-8347a4c3b458

kworker+events shows a repeated `D`-state wait, likely blocked in filesystem io wait via rq_qos_wait.

highpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 110reports: 1similarity: 99%

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

Last seen: 2026-08-10 18:37 UTC. Public page: /issues/019fe9e4-5804-7041-a445-f4baca14d1b7. Public JSON: /v1/issues/019fe9e4-5804-7041-a445-f4baca14d1b7

kworker+bcache shows a repeated `D`-state wait, likely blocked in filesystem io wait via rq_qos_wait.

highpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 110reports: 1similarity: 99%

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

Last seen: 2026-07-31 21:30 UTC. Public page: /issues/019fa0e7-08b2-7d23-9d7d-5081e5e704d9. Public JSON: /v1/issues/019fa0e7-08b2-7d23-9d7d-5081e5e704d9

kworker+flush-8:0 shows a repeated `D`-state wait, likely blocked in filesystem io wait via rq_qos_wait.

highpackage: linux-image-6.17.0-14-genericsource: linuxscore: 110reports: 1similarity: 99%

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

Last seen: 2026-07-28 16:20 UTC. Public page: /issues/019fa8b8-f38d-7fa1-8257-14587d1aee86. Public JSON: /v1/issues/019fa8b8-f38d-7fa1-8257-14587d1aee86

kworker+bcachefs_promotes shows a repeated `D`-state wait, likely blocked in filesystem io wait via rq_qos_wait.

highpackage: linux-image-7.0.3+deb14-amd64source: linuxscore: 110reports: 1similarity: 99%

Why this looks related: same classification, same source package, same stack or hot path signature, same subsystem

Last seen: 2026-05-10 06:22 UTC. Public page: /issues/019e08bb-fc76-7471-b1b3-e41795917e04. Public JSON: /v1/issues/019e08bb-fc76-7471-b1b3-e41795917e04

Published attempts

No public attempts have been published for this issue yet.