FreeBSD 4.8 and instabilities with Buslogic SCSI drivers in VMWare

[Doug White]

On Thu, 11 Dec 2003, Mike Jakubik wrote:

> It seems like this list is dead, and the developers don't care anymore.
> Current is where it's at.

This is patently wrong.  Please don't do this.

Since this is an isolated report in a hard-to-reproduce environment
(vmware), its difficult to say if this is a bug in our software or a bug
in vmware. Considering the bt driver hasn't been touched in over 4 years,
I'm thinking that there may be issues in vmware.

I'd follow up with the vmware folks.

>
> -----Original Message-----
> From: owner-freebsd-stable at freebsd.org
> [mailto:owner-freebsd-stable at freebsd.org] On Behalf Of denon
> Sent: Thursday, December 11, 2003 12:28 PM
> To: freebsd-stable at freebsd.org
> Subject: Re: FreeBSD 4.8 and instabilities with Buslogic SCSI drivers in
> VMWare
>
> So there are no other thoughts on this?  I kinda figured people were
> interested in squashing 4.8 bugs left and right .. :)
>
> -d
>
> At 03:25 PM 12/8/2003, you wrote:
> >Responses inline:
> >
> >At 03:41 PM 12/7/2003, you wrote:
> >>On Sun, 7 Dec 2003, denon wrote:
> >>
> >> > We've been doing more work with VMware and FreeBSD lately. Overall it's
> >> > been going well, but we have a machine that's giving me grief, and I'm
> a
> >> > bit concerned.
> >> >
> >> > It's running 4.8-Release, with a single virtual SCSI drive.  It's been
> >> > running fine for months, but as of recently, it's started locking
> >> up.  When
> >> > it locks up, this is what's in the messages:
> >> > /kernel: (da0:bt0:0:0:0): CCB 0xca993340 - timed out
> >> > /kernel: bt0: btdone - Attempt to free non-active BCCB 0xca9933c0
> >>
> >>I wonder if the vmware environment is bug-for-bug compatible with the old
> >>buslogic hardware :-)
> >
> >Sure seems it .. though it was stable for a long time, so I don't know ..
> >
> >
> >>I suspect this is a bug in vmware, where the emulated driver is suffering
> >>from long-term corruption. 43-day bug, perhaps?
> >>
> >>Does stopping and starting VMware clear this up?
> >
> >Nope, apparently not .. I tried and its happened again today. Seems to
> >happen about twice a day, but no pattern to it that I see..
> >
> >
> >-d
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-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org