bigdisk and scsi_da
Rong-en Fan
grafan at gmail.com
Wed Dec 20 09:04:12 PST 2006
On 12/20/06, Scott Long <scottl at samsco.org> wrote:
> Rong-en Fan wrote:
> > On 12/20/06, Scott Long <scottl at samsco.org> wrote:
> >> Rong-en Fan wrote:
> >> > It seems to me that scsi_da.c reports the wrong size:
> >> >
> >> > da1 at mpt0 bus 0 target 0 lun 0
> >> > da1: <SILVER TN-6212S-U4D 347G> Fixed Direct Access SCSI-5 device
> >> > da1: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged
> >> > Queueing Enabled
> >> > da1: 0MB (1 0 byte sectors: 0H 0S/T 0C)
> >> >
> >> > While geom shows the right one:
> >> >
> >> > Geom name: da1
> >> > Providers:
> >> > 1. Name: da1
> >> > Mediasize: 4991221760000 (4.5T)
> >> > Sectorsize: 512
> >> > Mode: r0w0e0
> >> > fwsectors: 63
> >> > fwheads: 255
> >> >
> >> > Speaking of bigdisk, can gpt modify on-disk table on-fly?
> >> >
> >> > Regards,
> >> > Rong-En Fan
> >>
> >> Just for reference, what version of FreeBSD is this?
> >
> > Ah, it's a 6.2-RC1. I thought I posted to stable at ...
> >
>
> Ok, it makes a whole lot more sense now. 7-CURRENT has checks to
> prevent the divide-by-zero. I'm still looking into the actual
> bug, though.
OK. Manually backports rev 1.10 of sys/dev/cam/cam.c solved this
divided by zero problem. Could you or mjacob MFC this to RELENG_6
and/or RELENG_6_2?
Thanks,
Rong-En Fan
>
> Scott
>
>
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