Bug 242369 - tmpfs + union_fs panic: lockmgr_xlock_hard: recursing on non recursive lockmgr
Summary: tmpfs + union_fs panic: lockmgr_xlock_hard: recursing on non recursive lockmgr
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 12.1-RELEASE
Hardware: Any Any
: --- Affects Only Me
Assignee: freebsd-fs mailing list
URL:
Keywords: panic
Depends on:
Blocks:
 
Reported: 2019-12-02 14:00 UTC by mr.xanto
Modified: 2019-12-05 06:44 UTC (History)
0 users

See Also:


Attachments
panic screen (130.90 KB, image/png)
2019-12-02 14:00 UTC, mr.xanto
no flags Details

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Description mr.xanto 2019-12-02 14:00:59 UTC
Created attachment 209607 [details]
panic screen

12.1 Release panic with mounted unionfs with tmpfs.

How-to repeat:
1) Boot with FreeBSD-12.1-RELEASE-amd64-bootonly.iso in live-cd mode.
2) mount -t tmpfs -o rw,size=512M tmpfs /net
3) mount_unionfs /net/ /usr/
4) mount_unionfs /net/ /var/
5) mount_unionfs /net/ /tmp/
6) dhclient em0

There is record of the panic: https://yadi.sk/i/O7NLAgjwVN61oA