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An explanation of the B_DONE flag on biowait() buf seen in Solaris[TM] crash-dumps (Doc ID 1007403.1)

Last updated on JULY 06, 2022

Applies to:

Solaris Operating System - Version 8.0 and later
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)
Oracle Solaris on x86 (32-bit)
Trusted Solaris
OpenSolaris
Oracle Solaris Express

Goal

This document tries to explain how sometimes we see the B_DONE flag set in core-dumps for IO requests that seem to be hanging by other accounts.

Solution

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