FreeBSDFix 6 min read
Fixing bhyve VMs That Refuse to Boot With UEFI Firmware
A layered bhyve UEFI diagnostic for firmware paths, VNC output, NVRAM state, EFI partitions, virtual disks, drivers, and stale VMs.
#bhyve#uefi#virtualization
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Operating systems, infrastructure, emulation, and technical history.
FreeBSDFix 5 min read
Fixing a Corrupted GPT Boot Partition on FreeBSD
How to distinguish damaged GPT metadata from missing BIOS or EFI boot code, recover safely from the backup table, and verify every write.
#fix#boot#gpt
Read more FreeBSDFix 6 min read
Diagnosing FreeBSD Ethernet Link Flapping at the Driver Level
How to correlate FreeBSD link events, counters, negotiated media, switch logs, optics, driver messages, and EEE before changing anything.
#networking#drivers#ethernet
Read more FreeBSDFix 6 min read
Diagnosing a FreeBSD Kernel Panic from a Crash Dump
How to verify FreeBSD dump capture, preserve vmcore evidence, match kernel symbols, read crashinfo and kgdb traces, and report a panic.
#fix#kernel#debugging
Read more FreeBSDFix 6 min read
Fixing FreeBSD Time Sync Drift When ntpd Won't Converge
How to diagnose FreeBSD ntpd source selection, reachability, offset thresholds, drift, virtual clocks, and safe one-time clock steps.
#ntpd#time-sync#networking
Read more FreeBSDFix 5 min read
Fixing pf State Table Exhaustion on FreeBSD
How to confirm PF state exhaustion, identify the responsible rules and sources, size memory safely, apply limits, and validate a ruleset reload.
#fix#pf#firewall
Read more FreeBSDFix 7 min read
Fixing Slow Boot Times Caused by Excessive rc.d Service Dependencies
How to measure FreeBSD boot delays with boottrace, inspect rcorder dependencies, isolate blocking services, and repair ordering safely.
#rc.d#boot#performance
Read more FreeBSDFix 5 min read
Fixing ZFS ARC Consuming All Available RAM on FreeBSD
How to distinguish healthy ZFS ARC caching from real FreeBSD memory pressure, measure reclamation, and set a tested ARC ceiling safely.
#fix#zfs#memory
Read more FreeBSDFix 6 min read
Fixing 'Panic: Solaris Assert' Style ZFS Kernel Panics on FreeBSD
How to preserve and classify a FreeBSD ZFS assertion panic, protect the pool, test hardware, recover data, and report a reproducible bug.
#zfs#panic#kernel
Read more FreeBSDDeep Dive 7 min read
HAST and Ctl: FreeBSD's Built-In Storage Replication and iSCSI Target
How HAST replication modes, role changes, fencing, and CTL iSCSI targets fit together without confusing replication with failover.
#hast#storage#iscsi
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