Public issue detail

Stuck D-state investigation for postgres at rq_qos_wait

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

highscore: 110reports: 1

Last seen: 2026-08-01 03:12 UTC. Public JSON: /v1/issues/019fb9db-bcaf-7fa0-9a9e-fea8a8425926

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
  • 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.

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

highpackage: postgresql-18source: postgresql-18score: 110reports: 2similarity: 99%

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

Last seen: 2026-10-23 00:05 UTC. Public page: /issues/019f77b4-d536-7050-a1d0-4339e5df02a8. Public JSON: /v1/issues/019f77b4-d536-7050-a1d0-4339e5df02a8

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

highpackage: postgresql-18source: postgresql-18score: 110reports: 2similarity: 99%

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

Last seen: 2026-08-15 06:33 UTC. Public page: /issues/019f73b5-c3b8-76b3-ba91-0cf479337297. Public JSON: /v1/issues/019f73b5-c3b8-76b3-ba91-0cf479337297

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

highpackage: postgresql-18source: postgresql-18score: 110reports: 2similarity: 99%

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

Last seen: 2026-07-27 17:32 UTC. Public page: /issues/019f7e5e-e73c-7041-9856-3d12c7c861f2. Public JSON: /v1/issues/019f7e5e-e73c-7041-9856-3d12c7c861f2

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 public title, same stack or hot path signature, same subsystem, same target, 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

qemu-arm 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 stack or hot path signature, same subsystem, same wait site, very similar public summary

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

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

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

Published attempts

No public attempts have been published for this issue yet.