On Fri, 2007-11-30 at 11:34 +0100, Anders Henke wrote:
> Am 30.11.2007 schrieb FUJITA Tomonori:
> > > > > According to the 2.6.23-rc1 short-form changelog, there is
> > > > > one major edit on the dpt_i2o driver:
> > > > >
> > > > > FUJITA Tomonori
> > > > >
> > > > > [SCSI] dpt_i2o: convert to use the data buffer accessors
> > > > >
> > > > > Stephen Rothwell
> > > > > dpt_i2o depends on virt_to_bus
> > > > >
> > > > > Fujita, would you please take a look at this?
> > > >
>
> In between, I've ruled out that the static assignment isn't
> source of the problem. And due to some manually made "make clean" which
> didn't clean enough, I've also pointed out the wrong patch - sorry,
> Fujita, definitely the right one which breaks my boxes is the dpt_i2o patch
> from 2.6.23-rc2 to 2.6.23-rc3 (7 kb in Size) from Matthew Wilcox.
>
> commit 55d9fcf57ba5ec427544fca7abc335cf3da78160
> Author: Matthew Wilcox <[email protected]>
> Date: Mon Jul 30 15:19:18 2007 -0600
>
> [SCSI] dpt_i2o: convert to SCSI hotplug model
I just noticed the same bug when I tried to update a 2.6.18 server to
2.6.23.9 .. also tried 2.6.24-rc4. The symptom I'm seeing is that init
segfaults, or can't be found .. anyway, driver/fs errors.
In the kernel config, under "processor type and features", I disabled
"64GB memory" support (changed to 4GB) and I also disabled "64 bit
Memory and IO resources" and the problem went away. Do you by any chance
happen to have those features enabled ?
The dpt_i2o driver is not 64-bit clean, it happens to work with
PAE/64-bit dma in earlier kernels but that might be by chance. Perhaps
the different initialization ordering exposes the problem.
I got the 64-bit dpt_i2o driver from Adaptec some time ago, and I have
added 64-bit support to the 2.6.23.1 dpt_i2o driver based on that
driver. I intended to submit it for 2.6.25 or so ... if I have some time
later today or tomorrow I'll try that next to see if that makes a
difference.
Mike.
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