Re: Analyzed/Solved/Bisected: Booting 2.6.30-rc2-git7 very slow

Matthew Wilcox
2009-06-20T18:26:24Z

On Sat, Jun 20, 2009 at 08:19:43PM +0200, Kay Sievers wrote:
> On Sat, Jun 20, 2009 at 18:58, Matthew Wilcox<matthew@wil.cx> wrote:
>
> > but I don't know what udev is doing. ??The udev source doesn't seem to
> > read PCI vpd itself:
> >
> > udev-0.141$ find -type f |xargs grep -il vpd
> > ./extras/volume_id/lib/adaptec_raid.c
> > ./extras/scsi_id/scsi_id.8
> > ./extras/scsi_id/scsi.h
> > ./extras/scsi_id/scsi_id.config
> > ./extras/scsi_id/scsi_serial.c
> >
> > so there must be some script that it's invoking which is doing that.
> > Anyone familiar with udev?
>
> scsi_id is usually also called for cciss devices:
> KERNEL=="cciss*", ..., IMPORT{program}="scsi_id ...

yes, but it's getting SCSI VPD (by asking for mode pages from the SCSI
device). This problem is with PCI VPD which is totally different.

--
Matthew Wilcox Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours. We can't possibly take such
a retrograde step."