Public issue detail

Stuck D-state investigation for postgres at folio_wait_bit

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

highpackage: postgresql-18source: postgresql-18score: 110reports: 1

Last seen: 2026-08-02 10:34 UTC. Public JSON: /v1/issues/019f5585-a5a6-7803-a19e-61c2b6b11921

Technical snapshot

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

Kernel wait stack

  • State: D (disk sleep)
  • Wait site: folio_wait_bit
  • Package: postgresql-18 18.4-1.pgdg+1
  • Kernel: 6.17.0-14-generic
  • Distribution: debian
folio_wait_bit
folio_wait_writeback
__filemap_fdatawait_range
file_write_and_wait_range
ext4_sync_file
vfs_fsync_range
do_fsync
__x64_sys_fdatasync
x64_sys_call
do_syscall_64
entry_SYSCALL_64_after_hwframe

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 filesystem io wait via submit_bio_wait.

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

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

Last seen: 2026-07-27 23:51 UTC. Public page: /issues/019e3879-7c48-7ba2-afd2-1a81a967d8e4. Public JSON: /v1/issues/019e3879-7c48-7ba2-afd2-1a81a967d8e4

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

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 classification, same package, same source package, same subsystem, same target, very similar public summary

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

postgres shows a repeated `D`-state wait, likely blocked in unknown uninterruptible wait via folio_wait_bit_common.

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

Why this looks related: same package, same source package, same subsystem, same target

Last seen: 2026-08-08 15:36 UTC. Public page: /issues/019fcbbe-5ffa-7e70-9a3f-d7542c17d6c3. Public JSON: /v1/issues/019fcbbe-5ffa-7e70-9a3f-d7542c17d6c3

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

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

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

Last seen: 2026-08-03 18:00 UTC. Public page: /issues/019f67fc-94fd-77a1-967d-9f45025f6d04. Public JSON: /v1/issues/019f67fc-94fd-77a1-967d-9f45025f6d04

Published attempts

No public attempts have been published for this issue yet.