Public issue detail

Stuck D-state investigation for jbd2/bcache0-8 at rq_qos_wait

jbd2/bcache0-8 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: 1

Last seen: 2026-08-02 21:02 UTC. Public JSON: /v1/issues/019f778b-938c-7382-bd68-eef65294d706

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: linux-image-6.17.10+deb14-amd64 6.17.10-1
  • 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
journal_submit_commit_record
jbd2_journal_commit_transaction
kjournald2
kthread
ret_from_fork
ret_from_fork_asm

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, same wait site

Last seen: 2026-10-22 21:36 UTC. Public page: /issues/019df296-5731-7c60-8643-dd6723e6bf54. Public JSON: /v1/issues/019df296-5731-7c60-8643-dd6723e6bf54

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

highpackage: perl-basesource: perlscore: 110reports: 1similarity: 99%

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

Last seen: 2026-08-10 20:21 UTC. Public page: /issues/019fbb81-901a-7e93-b96b-6743ea27541d. Public JSON: /v1/issues/019fbb81-901a-7e93-b96b-6743ea27541d

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 package, same source package, same stack or hot path signature, same subsystem, same wait site

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

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

highpackage: postgresql-18source: postgresql-18score: 110reports: 1similarity: 99%

Why this looks related: same classification, same stack or hot path signature, same subsystem, same wait site

Last seen: 2026-08-08 20:00 UTC. Public page: /issues/019ded8a-fc30-7073-b4c8-d85d3e56ba6a. Public JSON: /v1/issues/019ded8a-fc30-7073-b4c8-d85d3e56ba6a

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 package, same source package, same stack or hot path signature, same subsystem, same wait site, 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

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

highpackage: nodejssource: nodejsscore: 110reports: 1similarity: 99%

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

Last seen: 2026-06-01 02:01 UTC. Public page: /issues/019e695e-a1ad-7f41-af4d-02454406acbb. Public JSON: /v1/issues/019e695e-a1ad-7f41-af4d-02454406acbb

Published attempts

No public attempts have been published for this issue yet.