Regression in FreeBSD-STABLE 10.2-BETA1 r28551

Michael L. Squires mikes at
Sun Jul 26 21:20:30 UTC 2015

On Thu, 16 Jul 2015, Michael L. Squires wrote:

> I've not worked with 10.x a lot, so please excuse novice mistakes.
> I upgraded the OS on a quad Opteron Tyan S4881 (known to have SMP bugs, but I 
> haven't seen any and I've been running this system for years).  I upgraded 
> from an earlier version of FreeBSD-10.x to
> FreeBSD 10.2-BETA1 r285551.
> Problem:  during boot, when accessing the DVD drive attached to the EIDE bus 
> there is an interrupt storm on interrupt 16.  After a few minutes of errors 
> the boot continues successfully and the system appears to behave normally 
> after that.  I do not use the DVD drive except for installs, which are 
> infrequent.
> The earlier kernel does not exhibit this behavior.

This problem has vanished with FreeBSD 10.2-BETA2.

I think the original posting was incorrect, problem was with the Adaptec
SCSI card at boot.

Mike Squires

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FreeBSD 10.2-BETA2 #7 r285816: Fri Jul 24 00:32:09 EDT 2015
     root at amd64
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
CPU: AMD Opteron(tm) Processor 850 (2405.51-MHz K8-class CPU)
   Origin="AuthenticAMD"  Id=0x20f51  Family=0xf  Model=0x25  Stepping=1
   AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow!+,3DNow!>
   AMD Features2=0x1<LAHF>

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