Bug 260121 - panic: Unaligned free of 0xfffff8013cdfc800 from zone 0xfffff8001c279000(ada_ccb) slab 0xfffff8013cdfcfd8(7)
Summary: panic: Unaligned free of 0xfffff8013cdfc800 from zone 0xfffff8001c279000(ada_...
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: CURRENT
Hardware: amd64 Any
: --- Affects Only Me
Assignee: freebsd-bugs (Nobody)
Depends on:
Reported: 2021-11-29 15:41 UTC by Dennis Clarke
Modified: 2021-12-01 00:13 UTC (History)
1 user (show)

See Also:

FreeBSD 14.0-CURRENT main-n250820-4082b189d2c panic (562.07 KB, image/png)
2021-11-29 15:47 UTC, Dennis Clarke
no flags Details

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Description Dennis Clarke 2021-11-29 15:41:24 UTC
I have seen multiple panic's of this nature in the last few days. 

I did not have a serial port connected so I took the usual console

The most recent AMD64 snapshot also does this sort of panic while
booted from the disc1.iso image and running as a "live dvd".

I will attach photos and am now trying to somehow rescue the ZFS ZPool
storage from the system.
Comment 1 Dennis Clarke 2021-11-29 15:47:00 UTC
Created attachment 229798 [details]
FreeBSD 14.0-CURRENT main-n250820-4082b189d2c panic
Comment 2 Graham Perrin 2021-12-01 00:13:52 UTC
Whilst I can't comment on the details of the kernel panic, I see the AHCI reset immediately prior to panic. 

Prior to the reset, repeatedly: 

> (ada4:ahcich5:0:0:0): CAM status: Uncorrectable parity/CRC error

Maybe a hardware issue?