Re: Broken kernel on 5.1-RELEASE was :[compile on 5.1-RELEASE / 5-CURRENT (SMP, PAE & scsi)]

From: Mark Sergeant <msergeant_at_snsonline.net>
Date: Tue, 19 Aug 2003 23:33:21 +1000
Ok I've now got problems with the compiled kernel, I get panics on my
multiple cpu machine on boot just after boot & before the prompt is
reached. It's a lock on cpu #2 ( I believe cpu 3 ).

Unfortunately I don't have the exact message nor do I have a kernel dump
as this machine is "meant" to be a production one and as such a boot of
kernel.old was done.

Does anyone have a 4 or greater cpu machine running 5.1-RELEASE
succesfully ? I've got a 5.1-RELEASE machine running with the same
kernel config & 2 cpu's  without any problem so I can only think that
it's something to do with more than 2 cpu's.

Cheers,

Mark

On Tue, 2003-08-19 at 17:55, Mark Sergeant wrote:
> On Tue, 2003-08-19 at 17:47, Scott Long wrote:
> > Mark Sergeant wrote:
> > > Hi All,
> > > 
> > > 	When trying to compile a kernel for my 8 cpu DELL 8450's I recieve an
> > > extremly puzzling error, I get a bunch of errors when compiling a kernel
> > > that has the following options in it...
> > > 
> > > options     WITNESS
> > > options     NETSMB
> > > options     NETSMBCRYPTO
> > > options     LIBMCHAIN
> > > options     LIBICONV
> > > options     PAE
> > > options     SMP                     
> > > options     APIC_IO
> > > 
> > > Without  PAE SMP or APIC_IO the kernel will compile fine. With these
> > > options I get the following error when compiling the sym scsi driver.
> > > cc -c -O -pipe -march=pentium3 -Wall -Wredundant-decls -Wnested-externs
> > > -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline
> > > -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I../../..
> > > -I../../../dev -I../../../contrib/dev/acpica -I../../../contrib/ipfilter
> > > -D_KERNEL -include opt_global.h -fno-common  -mno-align-long-strings
> > > -mpreferred-stack-boundary=2 -ffreestanding -Werror 
> > > ../../../dev/sym/sym_hipd.c
> > > cc1: warnings being treated as errors
> > > ../../../dev/sym/sym_hipd.c: In function `sym_setup_data_and_start':
> > > ../../../dev/sym/sym_hipd.c:8146: warning: cast from pointer to integer
> > > of different size
> > > *** Error code 1
> > > 
> > > This is rather unfortunate as the only disks I have run off this
> > > controller. I've found that it does compile with the ahc driver but even
> > > then some usb stuff needs removing.
> > > 
> > > Does anyone have any insight into this and what I can do to get it
> > > fixed.
> > > 
> > > Cheers,
> > 
> > The key kere is likely PAE, not APIC_IO, as PAE changes the size of
> > some data types.  The USB problem is known.  The sym problem looks to
> > be harmless assuming that the warning you got is the only one that
> > is emitted.  However, it appears that it was never certified as being
> > ready for PAE.  If you're adventurous, you can try compiling and
> > loading it as a module (warnings when compiling modules are not fatal
> > like they are in when compiling the kernel).
> > 
> > If there are more errors/warning that what you list, I'd be interested
> > in seeing them.
> > 
> > Scott
> 
> There are no other errors apart from those listed so I may try compiling
> as a module that gets loaded on boot. Just one problem, I succesfully
> build an SMP kernel without PAE and then rebooted and the server is no
> longer responding, it seems it crashed just after coming up as I was
> able to ping it 5 or 6 times and then it went away again. If I've got a
> crash dump I'll post it.
> 
> Cheers,
-- 
Mark Sergeant <msergeant_at_snsonline.net>
SNSOnline Technical Services
Received on Tue Aug 19 2003 - 18:50:32 UTC

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