[Bug 244470] /sbin/dump crashes on larger filesystem

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244470

Hampton Finger <locnar at locnar.net> changed:

           What    |Removed                     |Added
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                 CC|                            |locnar at locnar.net

--- Comment #2 from Hampton Finger <locnar at locnar.net> ---
I hit this today on a ProxMox vm running FreeBSD 12.1-RELEASE-p4 system on a
351G file system in its own partition.  The hypervisor is an AMD FX chip.  I
got the exact error reported here about 35% into the file system.  It worked on
20 April 2020 and EVERY Sunday before that, but stopped working as of 26 April
2020.

Exact Command: /sbin/dump -0u -L -b 64 -a -f /archive/agamemnon/usr.dump /usr

/archive is nfs mounted

root at agamemnon:/sbin # file dump
dump: ELF 64-bit LSB executable, x86-64, version 1 (FreeBSD), dynamically
linked, interpreter /libexec/ld-elf.so.1, for FreeBSD 12.1, FreeBSD-style,
stripped

as it is an upgrade from source, I figured the md5sum is useless

I have rebooted, and updated the system from source.

I will be returning to the previous dump if my current test fails.  I loaded
telegraf on the system this week as the only delta to my configuration.  I have
disabled telegraf and am running a test dump now.

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