Date: Tue, 22 Jul 2025 02:28:19 +0100 From: void <void@f-m.fm> To: freebsd-current@freebsd.org Subject: zfs panic VERIFY3U Message-ID: <aH7pM0iZ-XMihOrn@int21h>
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Hi, After an unplanned power outage where the UPS also failed, when the (15-CURRENT) system tried to come back up, it panicked and dropped to debugger. It seems this happens after zfs.ko loads and then imports the pool. The pool is raidz2 with 7*4Tb disks. The machine was building something at the time of the outage. There was probably a 'medium' amount of disk I/O but it wasn't thrashing. zpool import causes the following output at the console: https://void.f-m.fm.user.fm/panic/zpool-broken.png Is there anything I can do to rescue the pool? Not tried importing it readonly yet. The system is at main-n278643. It's *not* root-on-zfs. The boot disk is ufs2. --help
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