On 07/13/16 at 07:46am, Wei, Jiangang wrote:
> On Mon, 2016-07-11 at 18:28 +0800, Wei Jiangang wrote:
> > Hi , Ingo
> >
> > On Fri, 2016-07-08 at 09:38 +0200, Ingo Molnar wrote:
> > > * Eric W. Biederman wrote:
> > >
> > > > Sigh. Can we please just do the work to rip out the apic shutdown code
On Mon, 2016-07-11 at 18:28 +0800, Wei Jiangang wrote:
> Hi , Ingo
>
> On Fri, 2016-07-08 at 09:38 +0200, Ingo Molnar wrote:
> > * Eric W. Biederman wrote:
> >
> > > Sigh. Can we please just do the work to rip out the apic shutdown code
> > > from the
> > > kexec on panic code path?
> > >
>
On 07/12/16 at 09:09am, Wei, Jiangang wrote:
> On Tue, 2016-07-12 at 14:52 +0800, Xunlei Pang wrote:
> > On 2016/07/07 at 18:17, Wei Jiangang wrote:
> > > diff --git a/arch/x86/kernel/machine_kexec_32.c
> > > b/arch/x86/kernel/machine_kexec_32.c
> > > index 469b23d6acc2..c934a7868e6b 100644
> > >
On Tue, 2016-07-12 at 16:21 +0800, Baoquan He wrote:
> On 07/12/16 at 02:52pm, Xunlei Pang wrote:
> > On 2016/07/07 at 18:17, Wei Jiangang wrote:
> > > Signed-off-by: Wei Jiangang
> > > ---
> > > +/* Local APIC is disabled by the kernel for crash or reboot path */
> > > +static int disabled_local_
On Tue, 2016-07-12 at 14:52 +0800, Xunlei Pang wrote:
> On 2016/07/07 at 18:17, Wei Jiangang wrote:
> > If we specify the 'notsc' boot parameter for the dump-capture kernel,
> > and then trigger a crash(panic) by using "ALT-SysRq-c" or "echo c >
> > /proc/sysrq-trigger",
> > the dump-capture kernel
On 07/12/16 at 02:52pm, Xunlei Pang wrote:
> On 2016/07/07 at 18:17, Wei Jiangang wrote:
> > Signed-off-by: Wei Jiangang
> > ---
> > +/* Local APIC is disabled by the kernel for crash or reboot path */
> > +static int disabled_local_apic;
> > +
> > /*
> > * Knob to control our willingness to en
On 2016/07/07 at 18:17, Wei Jiangang wrote:
> If we specify the 'notsc' boot parameter for the dump-capture kernel,
> and then trigger a crash(panic) by using "ALT-SysRq-c" or "echo c >
> /proc/sysrq-trigger",
> the dump-capture kernel will hang in calibrate_delay_converge():
>
> /* wait for "s
Hi , Ingo
On Fri, 2016-07-08 at 09:38 +0200, Ingo Molnar wrote:
> * Eric W. Biederman wrote:
>
> > Sigh. Can we please just do the work to rip out the apic shutdown code
> > from the
> > kexec on panic code path?
> >
> > I forgetting details but the only reason we have do any apic shutdown i
On 07/07/2016 01:17 PM, Wei Jiangang wrote:
> If we specify the 'notsc' boot parameter for the dump-capture kernel,
> and then trigger a crash(panic) by using "ALT-SysRq-c" or "echo c >
> /proc/sysrq-trigger",
> the dump-capture kernel will hang in calibrate_delay_converge():
>
> /* wait for
* Eric W. Biederman wrote:
> Sigh. Can we please just do the work to rip out the apic shutdown code from
> the
> kexec on panic code path?
>
> I forgetting details but the only reason we have do any apic shutdown is bugs
> in
> older kernels that could not initialize a system properly if w
Hi , Eric
Thanks for your comments firstly.
On Thu, 2016-07-07 at 12:55 -0500, Eric W. Biederman wrote:
> Wei Jiangang writes:
>
> > If we specify the 'notsc' boot parameter for the dump-capture kernel,
> > and then trigger a crash(panic) by using "ALT-SysRq-c" or "echo c >
> > /proc/sysrq-trig
Wei Jiangang writes:
> If we specify the 'notsc' boot parameter for the dump-capture kernel,
> and then trigger a crash(panic) by using "ALT-SysRq-c" or "echo c >
> /proc/sysrq-trigger",
> the dump-capture kernel will hang in calibrate_delay_converge():
>
> /* wait for "start of" clock tick *
12 matches
Mail list logo
