gptzfsboot error using HP Smart Array P410i Controller
John Baldwin
jhb at freebsd.org
Mon Mar 5 22:03:12 UTC 2012
On Monday, March 05, 2012 2:35:59 pm Palle Girgensohn wrote:
>
> 5 mar 2012 kl. 18:39 skrev John Baldwin <jhb at freebsd.org>:
>
> > On Saturday, March 03, 2012 7:06:14 pm Christoph Hoffmann wrote:
> >> Hello,
> >>
> >> I think this bug has been fix by John Baldwin (see below) after he found that HP
> >> implemented 'e09127r3 EDD-4 Hybrid MBR boot code annex' dated
> >> 4 January 2010.
> >>
> >> Maybe John could shade some light on it?
> >
> > Hmm, this fix should be in 9.0, so I don't have an explanation for why booting
> > on 9.0 would still be broken.
>
>
> Ok, that's odd. I tried 9.0, it does fail, and the printf actually makes it work.
Can you try editing sys/boot/i386/common/drv.c and adding some additional padding after
the edd_params? Perhaps the BIOS is assuming it always gets the full thing even if
we pass in a 1.1-sized structure. Just try putting a edd_params_v4 structure after the
normal one.
> Palle
>
> >
> >> Regards,
> >>
> >> Christoph
> >>
> >> Author: jhb
> >> Date: Wed Nov 9 18:26:19 2011
> >> New Revision: 227400
> >> URL:
> >> http://svn.freebsd.org/changeset/base/227400
> >>
> >> Log:
> >> MFC 226748:
> >> - Add a new header for the x86 boot code that defines various structures
> >> and constants related to the BIOS Enhanced Disk Drive Specification.
> >> - Use this header instead of magic numbers and various duplicate structure
> >> definitions for doing I/O.
> >> - Use an actual structure for the request to fetch drive parameters in
> >> drvsize() rather than a gross hack of a char array with some magic
> >> size. While here, change drvsize() to only pass the 1.1 version of
> >> the structure and not request device path information. If we want
> >> device path information you have to set the length of the device
> >> path information as an input (along with probably checking the actual
> >> EDD version to see which size one should use as the device path
> >> information is variable-length). This fixes data smashing problems
> >> from passing an EDD 3 structure to BIOSes supporting EDD 4.
> >>
> >> Approved by: re (kib)
> >>
> >> --
> >> Christoph Hoffmann
> >>
> >> On Mar 1, 2012, at 10:39 PM, Palle Girgensohn wrote:
> >>
> >>> Hi!
> >>>
> >>> This is still happening with FreeBSD 9.0-RELEASE, as I have just
> >>> discovered. The hack works like a charm, but seems kind of odd... :)
> >>>
> >>> Any progress in getting a "real" fix into the repository? Any risks with
> >>> the hack - is it likely to believe that it will suddenly or sporadically
> >>> fail?
> >>>
> >>> Cheers,
> >>> Palle
> >>>
> >>> Christoph Hoffmann skrev:
> >>>> Hello Daniel,
> >>>>
> >>>> Last time I checked up on the issue was on the 23rd of September,
> >>>> it was not fixed then.
> >>>> I was able to to boot from drive 0x80 after adding:
> >>>>
> >>>> *** zfsboot.c.orig Fri Sep 23 18:03:26 2011
> >>>> --- zfsboot.c Fri Sep 23 18:47:44 2011
> >>>> ***************
> >>>> *** 459,464 ****
> >>>> --- 459,465 ----
> >>>> heap_end = (char *) PTOV(bios_basemem);
> >>>> }
> >>>>
> >>>> + printf("Hello! I am a hack.\n");
> >>>> dsk = malloc(sizeof(struct dsk));
> >>>> dsk->drive = *(uint8_t *)PTOV(ARGS);
> >>>> dsk->type = dsk->drive & DRV_HARD ? TYPE_AD : TYPE_FD;
> >>>>
> >>>> I am inclined to think that this is related to the way how we compile this code,
> >>>> especially when run on the following particular processor:
> >>>>
> >>>> 1 Processor(s) detected, 4 total cores enabled, Hyperthreading is enabled
> >>>> Proc 1: Intel(R) Xeon(R) CPU E5630 @ 2.53GHz
> >>>> QPI Speed: 5.8 GT/s.
> >>>>
> >>>>
> >>>> Regards,
> >>>>
> >>>> Christoph
> >>>>
> >>>>
> >>>> On Oct 11, 2011, at 3:16 PM, Daniel Kalchev wrote:
> >>>>
> >>>>> Has this issue been resolved somehow? Sane method to build gptzfsboot that will run on HP's P410i?
> >>>>>
> >>>>> Daniel
> >>>>> _______________________________________________
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> >>>>
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> >>
> >>
> >
> > --
> > John Baldwin
>
--
John Baldwin
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