From: "K.Prasad" <prasad@linux.vnet.ibm.com>
To: richard -rw- weinberger <richard.weinberger@gmail.com>
Cc: "Luck, Tony" <tony.luck@intel.com>,
kexec@lists.infradead.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andi Kleen <andi@firstfloor.org>,
anderson@redhat.com, "Eric W. Biederman" <ebiederm@xmission.com>,
Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [Patch 1/6] XPANIC: Add extended panic interface
Date: Fri, 27 May 2011 21:26:56 +0530 [thread overview]
Message-ID: <20110527155656.GB2384@in.ibm.com> (raw)
In-Reply-To: <BANLkTi=ZrPkRwFSmdkAB60-MKS3fwZOjpg@mail.gmail.com>
On Thu, May 26, 2011 at 07:38:19PM +0200, richard -rw- weinberger wrote:
> On Thu, May 26, 2011 at 7:12 PM, K.Prasad <prasad@linux.vnet.ibm.com> wrote:
> >
> > commit e668fa1aea7844ac4c7ea09030a2f3e647a4adb1
> > Author: Andi Kleen <ak@linux.intel.com>
> > Date: Fri Nov 19 18:36:44 2010 +0100
> >
> > Index: linux-2.6.slim_kdump/kernel/panic.c
> > ===================================================================
> > --- linux-2.6.slim_kdump.orig/kernel/panic.c
> > +++ linux-2.6.slim_kdump/kernel/panic.c
> > @@ -57,14 +57,37 @@ EXPORT_SYMBOL(panic_blink);
> > *
> > * This function never returns.
> > */
> > -NORET_TYPE void panic(const char * fmt, ...)
> > +NORET_TYPE void panic(const char *fmt, ...)
> > +{
> > + va_list ap;
> > + va_start(ap, fmt);
> > + vpanic(0, 0, fmt, ap);
> > +}
> > +EXPORT_SYMBOL(panic);
> > +
> > +NORET_TYPE void xpanic(enum panic_flags flags, int timeout,
> > + const char *fmt, ...)
> > +{
> > + va_list ap;
> > + va_start(ap, fmt);
> > + xpanic(flags, timeout, fmt, ap);
>
> Why are you calling xpanic() here again?
> I guess you meant vpanic().
>
True, this is a bug in the original patch found in the git tree
git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6.git, for
which I have proposed a patch here: https://lkml.org/lkml/2011/5/26/337.
Thanks,
K.Prasad
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WARNING: multiple messages have this Message-ID (diff)
From: "K.Prasad" <prasad@linux.vnet.ibm.com>
To: richard -rw- weinberger <richard.weinberger@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andi Kleen <andi@firstfloor.org>,
"Luck, Tony" <tony.luck@intel.com>,
Vivek Goyal <vgoyal@redhat.com>,
kexec@lists.infradead.org,
"Eric W. Biederman" <ebiederm@xmission.com>,
anderson@redhat.com
Subject: Re: [Patch 1/6] XPANIC: Add extended panic interface
Date: Fri, 27 May 2011 21:26:56 +0530 [thread overview]
Message-ID: <20110527155656.GB2384@in.ibm.com> (raw)
In-Reply-To: <BANLkTi=ZrPkRwFSmdkAB60-MKS3fwZOjpg@mail.gmail.com>
On Thu, May 26, 2011 at 07:38:19PM +0200, richard -rw- weinberger wrote:
> On Thu, May 26, 2011 at 7:12 PM, K.Prasad <prasad@linux.vnet.ibm.com> wrote:
> >
> > commit e668fa1aea7844ac4c7ea09030a2f3e647a4adb1
> > Author: Andi Kleen <ak@linux.intel.com>
> > Date: Fri Nov 19 18:36:44 2010 +0100
> >
> > Index: linux-2.6.slim_kdump/kernel/panic.c
> > ===================================================================
> > --- linux-2.6.slim_kdump.orig/kernel/panic.c
> > +++ linux-2.6.slim_kdump/kernel/panic.c
> > @@ -57,14 +57,37 @@ EXPORT_SYMBOL(panic_blink);
> > *
> > * This function never returns.
> > */
> > -NORET_TYPE void panic(const char * fmt, ...)
> > +NORET_TYPE void panic(const char *fmt, ...)
> > +{
> > + va_list ap;
> > + va_start(ap, fmt);
> > + vpanic(0, 0, fmt, ap);
> > +}
> > +EXPORT_SYMBOL(panic);
> > +
> > +NORET_TYPE void xpanic(enum panic_flags flags, int timeout,
> > + const char *fmt, ...)
> > +{
> > + va_list ap;
> > + va_start(ap, fmt);
> > + xpanic(flags, timeout, fmt, ap);
>
> Why are you calling xpanic() here again?
> I guess you meant vpanic().
>
True, this is a bug in the original patch found in the git tree
git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6.git, for
which I have proposed a patch here: https://lkml.org/lkml/2011/5/26/337.
Thanks,
K.Prasad
next prev parent reply other threads:[~2011-05-27 15:57 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-26 17:07 [RFC Patch 0/6] slimdump: Enable slimdump if crashing kernel memory is not required K.Prasad
2011-05-26 17:07 ` K.Prasad
2011-05-26 17:12 ` [Patch 1/6] XPANIC: Add extended panic interface K.Prasad
2011-05-26 17:12 ` K.Prasad
2011-05-26 17:38 ` richard -rw- weinberger
2011-05-26 17:38 ` richard -rw- weinberger
2011-05-27 15:56 ` K.Prasad [this message]
2011-05-27 15:56 ` K.Prasad
2011-05-27 17:59 ` Eric W. Biederman
2011-05-27 17:59 ` Eric W. Biederman
2011-05-26 17:12 ` [Patch 2/6] x86: mce: Convert mce code to xpanic K.Prasad
2011-05-26 17:12 ` K.Prasad
2011-05-27 18:01 ` Eric W. Biederman
2011-05-27 18:01 ` Eric W. Biederman
2011-05-26 17:14 ` [Bugfix][Patch 3/3] Invoke vpanic inside xpanic function K.Prasad
2011-05-26 17:14 ` K.Prasad
2011-05-26 17:15 ` [RFC Patch 4/6] PANIC_MCE: Introduce a new panic flag for fatal MCE, capture related information K.Prasad
2011-05-26 17:15 ` K.Prasad
2011-05-26 18:43 ` Vivek Goyal
2011-05-26 18:43 ` Vivek Goyal
2011-05-27 17:03 ` K.Prasad
2011-05-27 17:03 ` K.Prasad
2011-05-27 18:29 ` Vivek Goyal
2011-05-27 18:29 ` Vivek Goyal
2011-05-27 18:04 ` Eric W. Biederman
2011-05-27 18:04 ` Eric W. Biederman
2011-05-31 17:40 ` K.Prasad
2011-05-31 17:40 ` K.Prasad
2011-06-01 17:18 ` Dave Anderson
2011-06-01 17:18 ` Dave Anderson
2011-06-01 17:23 ` Vivek Goyal
2011-06-01 17:23 ` Vivek Goyal
2011-06-01 17:41 ` Dave Anderson
2011-06-01 17:41 ` Dave Anderson
2011-06-08 17:16 ` K.Prasad
2011-06-08 17:16 ` K.Prasad
2011-06-12 15:44 ` Eric W. Biederman
2011-06-12 15:44 ` Eric W. Biederman
2011-06-15 2:06 ` K.Prasad
2011-06-15 2:06 ` K.Prasad
2011-05-27 18:09 ` Eric W. Biederman
2011-05-27 18:09 ` Eric W. Biederman
2011-05-26 17:23 ` [RFC Patch 5/6] slimdump: Capture slimdump for fatal MCE generated crashes K.Prasad
2011-05-26 17:23 ` K.Prasad
2011-05-26 17:32 ` Andi Kleen
2011-05-26 17:32 ` Andi Kleen
2011-05-27 15:53 ` K.Prasad
2011-05-27 15:53 ` K.Prasad
2011-05-26 17:44 ` Vivek Goyal
2011-05-26 17:44 ` Vivek Goyal
2011-05-26 18:09 ` Andi Kleen
2011-05-26 18:09 ` Andi Kleen
2011-05-26 18:26 ` Vivek Goyal
2011-05-26 18:26 ` Vivek Goyal
2011-05-26 18:58 ` Andi Kleen
2011-05-26 18:58 ` Andi Kleen
2011-05-26 19:10 ` Vivek Goyal
2011-05-26 19:10 ` Vivek Goyal
2011-05-26 23:44 ` Simon Horman
2011-05-26 23:44 ` Simon Horman
2011-05-27 16:57 ` K.Prasad
2011-05-27 16:57 ` K.Prasad
2011-05-27 17:59 ` Vivek Goyal
2011-05-27 17:59 ` Vivek Goyal
2011-06-08 17:00 ` K.Prasad
2011-06-08 17:00 ` K.Prasad
2011-05-27 18:14 ` Eric W. Biederman
2011-05-27 18:14 ` Eric W. Biederman
2011-05-26 17:26 ` [RFC Patch 6/6] Crash: Recognise slim coredumps and process new elf-note sections K.Prasad
2011-05-26 17:26 ` K.Prasad
2011-05-27 15:37 ` Mahesh J Salgaonkar
2011-05-27 15:37 ` Mahesh J Salgaonkar
2011-05-27 18:16 ` Eric W. Biederman
2011-05-27 18:16 ` Eric W. Biederman
2011-05-27 18:22 ` Vivek Goyal
2011-05-27 18:22 ` Vivek Goyal
2011-05-27 18:35 ` Eric W. Biederman
2011-05-27 18:35 ` Eric W. Biederman
2011-05-26 17:31 ` [RFC Patch 0/6] slimdump: Enable slimdump if crashing kernel memory is not required K.Prasad
2011-05-26 17:31 ` K.Prasad
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