linux-kernel - Re: [Xen-devel] [PATCH 0/2] Xen PV on HVM multiple PV consoles

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Date:	Thu, 09 Dec 2010 15:15:57 +0300
From:	Vasiliy G Tolstov <v.tolstov@...fip.ru>
To:	Pasi Kärkkäinen <pasik@....fi>
Cc:	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	Jeremy@...aikainen.iki.fi,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH 0/2] Xen PV on HVM multiple PV consoles

On Thu, 2010-12-09 at 14:12 +0200, Pasi Kärkkäinen wrote:
> On Thu, Dec 09, 2010 at 02:00:12PM +0300, Vasiliy G Tolstov wrote:
> > On Tue, 2010-12-07 at 10:30 +0000, Stefano Stabellini wrote:
> > > On Mon, 6 Dec 2010, Vasiliy G Tolstov wrote:
> > > > On Mon, 2010-12-06 at 10:36 +0000, Stefano Stabellini wrote:
> > > > 
> > > > > 
> > > > > Could you please add CONFIG_DEBUG_INFO=y to your kernel config, so that
> > > > > we can see the name of the functions in the stack trace?
> > > > > 
> > > > 
> > > > After add debug kernel not crushed. I'm test more expensive it now. Can
> > > > You provide ps auxwww | grep qemu-dm after creating domain with two
> > > > serial consoles? (sles does not have libxl, i want to write now wrapper
> > > > to qemu-dm, after that try to compile rpm from spec to support libxl).
> > > > 
> > > 
> > > There is no need for any special command line arguments to qemu-dm, it
> > > is going to create as many PV serials as configured on xenstored by
> > > libxl, give a look at tools/libxl/libxl.c:libxl_device_console_add.
> > > The output of the serial is the one specified on the node "output" on
> > > xenstore.
> > 
> > I reproduce kernel crush:
> > 
> 
> You need to enable debugging options in your kernel so we can see function
> names in the trace.
> 
> -- Pasi

I'm already add this options:
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_SLUB_DEBUG=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_XEN_DEBUG_FS=y
CONFIG_X86_DEBUGCTLMSR=y
CONFIG_PM_DEBUG=y
CONFIG_DM_DEBUG=y
CONFIG_JBD2_DEBUG=y
CONFIG_DLM_DEBUG=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_SCHED_DEBUG=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_FREE=y
CONFIG_DEBUG_OBJECTS_TIMERS=y
CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1
CONFIG_SLUB_DEBUG_ON=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_PI_LIST=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_DEBUG_KOBJECT=y
CONFIG_DEBUG_HIGHMEM=y
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_VM=y
CONFIG_DEBUG_WRITECOUNT=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_LIST=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
CONFIG_FAULT_INJECTION_DEBUG_FS=y
CONFIG_DEBUG_PAGEALLOC=y
CONFIG_DMA_API_DEBUG=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_DEBUG_RODATA=y
CONFIG_DEBUG_RODATA_TEST=y
CONFIG_DEBUG_BOOT_PARAMS=y
CONFIG_KEYS_DEBUG_PROC_KEYS=y


see attached file

-- 
Vasiliy G Tolstov <v.tolstov@...fip.ru>
Selfip.Ru

View attachment "DEBUG.config" of type "text/x-mpsub" (48432 bytes)