https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228019
Bug ID: 228019
Summary: Panic and fsck -p insufficiency
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: bugs at FreeBSD.org
Reporter: phk at FreeBSD.org
Created attachment 193083
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=193083&action=edit
photo of LORs + panic messages
AMD64 FreeBSD 12.0-CURRENT #1 r333269: Sat May 5 11:47:44 UTC 2018
While compiling lang/rust
panic: Bad link elm 0xfffff8042e7cf40 prev->next != elm
cpuid = 1
time = 1525606495
KDB: stack backtrace:
db_trace_self_wrapper ...
vpanic() ...
panic() ...
vm_pqbatch_process_page() + 0x276
vm_pqbatch_submit_page() + 0x143
vm_fault_hold() + 0x1d12
...
(See attached photo for more)
On reboot into single-user, fsck -p reports a lot of "Incorrect size N -> 0"
and "Link count 2->1" and says the FS is fine, but a fsck without -p finds
numerous files to reattach to lost+found, most of which look like temp files
from the lang/rust compilation.
Filesystem in question is UFS+SU+Trim, bsize=32k, fsize=4k
No kernel dump available unfortunately.
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