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Date:      Thu, 11 Apr 2002 08:33:50 +0200 (CEST)
From:      Nick Hibma <n_hibma@van-laarhoven.org>
To:        Kenneth W Cochran <kwc@TheWorld.com>
Cc:        Kelly Yancey <kbyanc@posi.net>, "freebsd-scsi@FreeBSD.ORG" <freebsd-scsi@FreeBSD.ORG>, "freebsd-stable@FreeBSD.ORG" <freebsd-stable@FreeBSD.ORG>
Subject:   Re: Status, USB/Olympus E-10
Message-ID:  <20020411083227.J31033-100000@heather.van-laarhoven.org>
In-Reply-To: <200201101435.JAA7965305@shell.TheWorld.com>

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> Then a panic & reboot.  I guess it's better than "before" -
> previously I got no message whatsoever; the OS just froze &
> rebooted.  At the same time I'd think a panic/reboot is Very
> Very Bad; at least if something is "wrong" shouldn't the OS
> "just say no?"

Well, perhaps you could consider a panic an exceptional condition. One
which has not been taken into account

Could you compile a kernel with debugging and with DDB and then do a
backtrace ('trace') when the kernel hits the debugger on the divide
panic? To know _where_ the divide by zero happens is crucial.

Cheers,

Nick


>
> Here are the related pices of the kernel config:
>
> # SCSI peripherals
> device		scbus		# SCSI bus (required)
> device		da		# Direct Access (disks)
> device		sa		# Sequential Access (tape etc)
> device		cd		# CD
> device		pass		# Passthrough device (direct SCSI access)
> .
> .
> .
> # USB support
> device		uhci		# UHCI PCI->USB interface
> # device	ohci		# OHCI PCI->USB interface
> device		usb		# USB Bus (required)
> # device	ugen		# Generic
> # device	uhid		# "Human Interface Devices"
> # device	ukbd		# Keyboard
> # device	ulpt		# Printer
> device		umass		# Disks/Mass storage - Requires scbus and da
>
> I think the kernel config is ok, because everything works fine
> with a USB Zip drive.  Any other ideas
>
> -kc
>
> >Date: Sun, 6 Jan 2002 18:15:52 -0800 (PST)
> >From: Kelly Yancey <kbyanc@posi.net>
> >To: Kenneth W Cochran <kwc@TheWorld.com>
> >cc: freebsd-stable@FreeBSD.ORG, freebsd-scsi@FreeBSD.ORG
> >Subject: Re: Status, USB/Olympus E-10
> >
> >On Sun, 6 Jan 2002, Kenneth W Cochran wrote:
> >
> >> (cc'ed to -scsi)
> >>
> >> Hello,
> >>
> >> A couple of committers & I were working last July (2001) with
> >> support for the Olympus E-10 digital camera in FreeBSD.  This
> >> is a USB device.
> >>
> >> I just saw some commits in cam/scsi_da for Nikon & I'm wondering
> >> what the situation is wrt Olympus?
> >
> >  Bernd Walter submitted a quirk that fixed the problem for E-100RS digital
> >cameras a while back. I committed the quirk, but I have not MFC'ed it to
> >-stable. Besides, without other reports the quirk entry I added was specific
> >to the E-100RS. I'll extend the quirk to the entire E-* seriese and ask RE if
> >it's OK to MFC in time for 4.5.
> >
> >  Kelly
>
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>

-- 
n_hibma@van-laarhoven.org                  http://www.van-laarhoven.org/
n_hibma@FreeBSD.org                        http://www.etla.net/~n_hibma/


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