Public issue detail

Stuck D-state investigation for qemu-s390x at submit_bio_wait

qemu-s390x shows a repeated `D`-state wait, likely blocked in overlayfs wait via submit_bio_wait.

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

Last seen: 2026-10-22 23:47 UTC. Public JSON: /v1/issues/019f9f1a-b8c5-7971-9e8c-37fce0d4df0e

Technical snapshot

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

Kernel wait stack

  • State: D (disk sleep)
  • Wait site: submit_bio_wait
  • Package: qemu-user 1:11.0.2+ds-2
  • Kernel: 6.17.10+deb14-amd64
  • Distribution: debian
submit_bio_wait
blkdev_issue_flush
ext4_sync_file
ovl_fsync
do_fsync
__x64_sys_fsync
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 overlayfs wait via submit_bio_wait.

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

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

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

initdb shows a repeated `D`-state wait, likely blocked in overlayfs wait via submit_bio_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, very similar public summary

Last seen: 2026-10-22 23:47 UTC. Public page: /issues/019fbe00-bad7-7422-9912-4cef7c532af9. Public JSON: /v1/issues/019fbe00-bad7-7422-9912-4cef7c532af9

qemu-s390x 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

Last seen: 2026-07-31 22:46 UTC. Public page: /issues/019f9f4c-be43-7061-9d39-9add62db1018. Public JSON: /v1/issues/019f9f4c-be43-7061-9d39-9add62db1018

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