[DragonFlyBSD - Bug #3088] Kernel panic in syncache_add

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #3088 has been updated by pa3k.


Thank you!

The server is now running compiled kernel DragonFly v5.0.0.7.gb21cd7-RELEASE for several hours without panic.
I will let the server run for few hours and if nothing happens, I will close this issue as resolved.

This "softdep_sync_metadata_bp(1): caught buf 0xffffff80af235c48 going away" is only informational and nothing to bother,
or is there some deeper issue hidden in?


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Bug #3088: Kernel panic in syncache_add
http://bugs.dragonflybsd.org/issues/3088#change-13286

* Author: pa3k
* Status: In Progress
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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Hello,
I'm using SuperMicro A1SAi-C2750 as small server with jails that was running fine with latest DragonFly BSD 4.8.1,
but since I upgraded to DragonFly BSD 5.0, I'm experiencing random crashes - always in syncache_add.

Tried also clean install and kernel rebuild,
server is actually running DragonFly v5.0.0.6.g0978b-RELEASE

24 hours of memtest is no problem for this server.
Crash summaries of latest server crashes are attached to this issue. I cannot find a patter how to reliably crash that server,
but core.txt.5 was right after reboot-after-panic while trying to copy core.txt.4 per scp from server.

Any help or hint how to fix or debug this problem is appreciated.

Also - should I be worried to see messages like this:
softdep_sync_metadata_bp(1): caught buf 0xffffff80af383f50 going away
on console?

Thanks in advance.

---Files--------------------------------
core.txt.3 (119 KB)
a1sai.txt (35 KB)
dfly.5.0.jpg (47.7 KB)
dfly.5.0.panic.jpg (60.6 KB)
dfly.5.0.trace.jpg (71.6 KB)
core.txt.4 (126 KB)
core.txt.5 (129 KB)


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