We mostly run HEAD in the freebsd.org cluster. Sometime in the last few weeks an ugly zfs problem has surfaced. If a redundant volume is degraded, zfs panics on boot. If a drive fails while running, or is manually put offline, zfs panics the same way.
I do not have a smoking gun, but I am suspicious of the June 28th commits (starting at r320156) and their follow-ups. eg: r320452. https://bugs.freebsd.org/220691 I believe single disk systems will *not* be affected by this - the panic only happens when a raidz (and presumably mirror) degrades. Your laptop etc should be fine. I apologize for being vague - I do not know more. Folks running HEAD should take appropritate precautions (eg: keeping a known-good kernel.old and modules around). This is always advisable when running HEAD anyway, particularly so now. For us, a kernel.old from June 18th worked fine. -- Peter Wemm - pe...@wemm.org; pe...@freebsd.org; pe...@yahoo-inc.com; KI6FJV UTF-8: for when a ' or ... just won\342\200\231t do\342\200\246
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