On Mon, Sep 08, 2014 at 10:38:07AM +0200, Johannes Berg wrote:
> On Fri, 2014-09-05 at 15:13 -0700, Greg Kroah-Hartman wrote:
>
> > > + /*
> > > + * this seems racy, but I don't see a notifier or such on
> > > + * a struct device to know when it goes away?
> > > + */
> > > + if (devcd->failing_
On Fri, 2014-09-05 at 15:13 -0700, Greg Kroah-Hartman wrote:
> > + /*
> > +* this seems racy, but I don't see a notifier or such on
> > +* a struct device to know when it goes away?
> > +*/
> > + if (devcd->failing_dev->kobj.sd)
> > + sysfs_delete_link(&devcd->failing_dev
On 09/05/14 10:50, Johannes Berg wrote:
> From: Johannes Berg
>
> Many devices run firmware and/or complex hardware, and most of that
> can have bugs. When it misbehaves, however, it is often much harder
> to debug than software running on the host.
>
> Introduce a "device coredump" mechanism to al
On Fri, 2014-09-05 at 15:13 -0700, Greg Kroah-Hartman wrote:
> > +MODULE_AUTHOR("Johannes Berg ");
> > +MODULE_DESCRIPTION("Device Coredump support");
> > +MODULE_LICENSE("GPL");
>
> As you only allow Y or N as build options, it's not really a "module" :)
Umm, yeah. I went back and forth on whet
On Fri, Sep 5, 2014 at 11:50 AM, Johannes Berg
wrote:
> From: Johannes Berg
>
> Many devices run firmware and/or complex hardware, and most of that
> can have bugs. When it misbehaves, however, it is often much harder
> to debug than software running on the host.
>
Very nice concept IMO :)
[...
On Fri, Sep 05, 2014 at 10:50:54AM +0200, Johannes Berg wrote:
> From: Johannes Berg
>
> Many devices run firmware and/or complex hardware, and most of that
> can have bugs. When it misbehaves, however, it is often much harder
> to debug than software running on the host.
>
> Introduce a "device
On Fri, 2014-09-05 at 11:40 +0200, Jonas Gorski wrote:
> On Fri, Sep 5, 2014 at 10:50 AM, Johannes Berg
> wrote:
> > From: Johannes Berg
>
> Can't you just send from the correct address? ;p
Not easily :)
> How about the following to avoid negative options:
>
> config DEV_COREDUMP
>boo
On Fri, Sep 5, 2014 at 10:50 AM, Johannes Berg
wrote:
> From: Johannes Berg
Can't you just send from the correct address? ;p
(snip)
> diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
> index 4e7f0ff83ae7..134f763d90fd 100644
> --- a/drivers/base/Kconfig
> +++ b/drivers/base/Kconfig
> @
From: Johannes Berg
Many devices run firmware and/or complex hardware, and most of that
can have bugs. When it misbehaves, however, it is often much harder
to debug than software running on the host.
Introduce a "device coredump" mechanism to allow dumping internal
device/firmware state through
