Date: Thu, 18 Aug 2011 18:30:24 +0200 From: Christoph Hoffmann <christoph_hoffmann@me.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: gptzfsboot error using HP Smart Array P410i Controller Message-ID: <23B6937F-F261-4DC4-9168-96720251C98D@me.com> In-Reply-To: <201108161515.50127.jhb@freebsd.org> References: <E040B3A9-9B62-4545-ADC9-5CE3A9217024@me.com> <DA5CE78B-5AAB-4DFC-B9EE-BFCF45AFC16F@me.com> <9B96176A-7550-4B60-8F4D-0B667EEF7A15@me.com> <201108161515.50127.jhb@freebsd.org>
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Hello John,
Thank you very much indeed for the hints.
I am under the impression that we are facing a problem with synchronisation
of CPU local caches. I also wasn't able to find any problem with memory
allocation.
This box is equipped with:
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
Changing the order of execution in zfsboot.c main() function to
[…]
int
main(void)
{
[…]
bios_getmem();
if (high_heap_size > 0) {
[…]
bootinfo.bi_version = BOOTINFO_VERSION;
bootinfo.bi_size = sizeof(bootinfo);
bootinfo.bi_basemem = bios_basemem / 1024;
bootinfo.bi_extmem = bios_extmem / 1024;
bootinfo.bi_memsizes_valid++;
/* bootinfo.bi_bios_dev = dsk->drive; */
bootinfo.bi_bios_dev = *(uint8_t *)PTOV(ARGS);
dsk = malloc(sizeof(struct dsk));
dsk->drive = *(uint8_t *)PTOV(ARGS);
dsk->type = dsk->drive & DRV_HARD ? TYPE_AD : TYPE_FD;
dsk->unit = dsk->drive & DRV_MASK;
dsk->slice = *(uint8_t *)PTOV(ARGS + 1) + 1;
dsk->part = 0;
dsk->start = 0;
dsk->init = 0;
bootdev = MAKEBOOTDEV(dev_maj[dsk->type],
dsk->slice, dsk->unit, dsk->part),
[…]
fixes the problem.
Any comments will be appreciated.
Best Regards,
Christoph
--
Christoph Hoffmann
On Aug 16, 2011, at 9:15 PM, John Baldwin wrote:
> On Tuesday, August 16, 2011 1:46:48 pm Christoph Hoffmann wrote:
>> Setting high_heap_size to zero ends with an error:
>>
>> Attempting Boot From CD-ROM
>> Attempting Boot From Hard Drive (C:)
>> 474: high_heap_size=0x0; dsk=0x1a000; &bootinfo=0x8694
>> malloc failure
>
> Hmm, I am really at a loss for what is trashing 'dsk'. You could
> possibly try adjusting bios_getmem() to force it to use
> high_heap_size from bios_extmem (that is at the bottom of the
> function) perhaps. However, that is mostly a bit of a guess that
> some part of your BIOS is randomly zero'ing dsk.
>
> I'm at a loss as to how the assignments to bootinfo would trash
> 'dsk'. :(
>
> --
> John Baldwin
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