On Mon, Dec 07 2020 at 13:18, Corentin Labbe wrote:
> On Mon, Dec 07, 2020 at 01:15:49AM +0100, Thomas Gleixner wrote:
> So if I understand correctly, basicly I cannot have two atomic kmap at
> the same time since it made unmapping them in the right order complex.
You can, but the ordering has to
On Mon, Dec 07, 2020 at 01:15:49AM +0100, Thomas Gleixner wrote:
> On Sun, Dec 06 2020 at 22:40, Corentin Labbe wrote:
> > On Sat, Dec 05, 2020 at 08:48:15PM +0100, Thomas Gleixner wrote:
> >> So this maps two pages and unmaps the first one. That's all called from
> >> sun4i_ss_opti_poll() and the
On Sun, Dec 06 2020 at 22:40, Corentin Labbe wrote:
> On Sat, Dec 05, 2020 at 08:48:15PM +0100, Thomas Gleixner wrote:
>> So this maps two pages and unmaps the first one. That's all called from
>> sun4i_ss_opti_poll() and the bug is clearly visible there:
>>
>> sg_miter_next(&mi);
>> sg_
On Sat, Dec 05, 2020 at 08:48:15PM +0100, Thomas Gleixner wrote:
> Corentin,
>
> On Sat, Dec 05 2020 at 19:43, Corentin Labbe wrote:
> > On Fri, Dec 04, 2020 at 09:58:21PM +0100, Thomas Gleixner wrote:
> >> Can you please replace the debug patch with the one below and try again?
> >> That stops th
On Sat, 5 Dec 2020, Thomas Gleixner wrote:
> Corentin,
>
> On Sat, Dec 05 2020 at 19:43, Corentin Labbe wrote:
> > On Fri, Dec 04, 2020 at 09:58:21PM +0100, Thomas Gleixner wrote:
> >> Can you please replace the debug patch with the one below and try again?
> >> That stops the trace right on th
Corentin,
On Sat, Dec 05 2020 at 19:43, Corentin Labbe wrote:
> On Fri, Dec 04, 2020 at 09:58:21PM +0100, Thomas Gleixner wrote:
>> Can you please replace the debug patch with the one below and try again?
>> That stops the trace right on the condition.
>
> Hello, the result could be found at http:
On Fri, Dec 04, 2020 at 09:58:21PM +0100, Thomas Gleixner wrote:
> On Fri, Dec 04 2020 at 20:27, Corentin Labbe wrote:
> > On Fri, Dec 04, 2020 at 04:08:27PM +0100, Thomas Gleixner wrote:
> >> On Fri, Dec 04 2020 at 14:26, Corentin Labbe wrote:
> >> > On Fri, Dec 04, 2020 at 12:34:05AM +0100, Thoma
On Fri, Dec 04 2020 at 20:27, Corentin Labbe wrote:
> On Fri, Dec 04, 2020 at 04:08:27PM +0100, Thomas Gleixner wrote:
>> On Fri, Dec 04 2020 at 14:26, Corentin Labbe wrote:
>> > On Fri, Dec 04, 2020 at 12:34:05AM +0100, Thomas Gleixner wrote:
>> >> The unmap comes from sg_miter_stop() and looking
On Fri, Dec 04, 2020 at 04:08:27PM +0100, Thomas Gleixner wrote:
> On Fri, Dec 04 2020 at 14:26, Corentin Labbe wrote:
> > On Fri, Dec 04, 2020 at 12:34:05AM +0100, Thomas Gleixner wrote:
> >> The unmap comes from sg_miter_stop() and looking at the previous
> >> map/unmap cycles there are never nes
On Fri, Dec 04 2020 at 14:26, Corentin Labbe wrote:
> On Fri, Dec 04, 2020 at 12:34:05AM +0100, Thomas Gleixner wrote:
>> The unmap comes from sg_miter_stop() and looking at the previous
>> map/unmap cycles there are never nested maps.
>>
>> [ 996.943030] cryptset-316 0d..4 73943317us : __k
On Fri, Dec 04, 2020 at 12:34:05AM +0100, Thomas Gleixner wrote:
> On Thu, Dec 03 2020 at 18:38, Corentin Labbe wrote:
> > On Wed, Dec 02, 2020 at 09:59:36PM +0100, Thomas Gleixner wrote:
> >> On Wed, Dec 02 2020 at 20:55, Corentin Labbe wrote:
> >> > On Tue, Dec 01, 2020 at 04:15:08PM +0100, Thoma
On Thu, Dec 03 2020 at 18:38, Corentin Labbe wrote:
> On Wed, Dec 02, 2020 at 09:59:36PM +0100, Thomas Gleixner wrote:
>> On Wed, Dec 02 2020 at 20:55, Corentin Labbe wrote:
>> > On Tue, Dec 01, 2020 at 04:15:08PM +0100, Thomas Gleixner wrote:
>> >
>> > The result could be seen at http://kernel.mon
On Wed, Dec 02, 2020 at 09:59:36PM +0100, Thomas Gleixner wrote:
> On Wed, Dec 02 2020 at 20:55, Corentin Labbe wrote:
> > On Tue, Dec 01, 2020 at 04:15:08PM +0100, Thomas Gleixner wrote:
> >
> > The result could be seen at http://kernel.montjoie.ovh/129768.log
> > The log is 9Mb, but the ftrace du
On Wed, Dec 02 2020 at 20:55, Corentin Labbe wrote:
> On Tue, Dec 01, 2020 at 04:15:08PM +0100, Thomas Gleixner wrote:
>
> The result could be seen at http://kernel.montjoie.ovh/129768.log
> The log is 9Mb, but the ftrace dump seems not terminated, tell me if you need
> more.
Correct, the interes
On Tue, Dec 01, 2020 at 04:15:08PM +0100, Thomas Gleixner wrote:
> On Tue, Dec 01 2020 at 15:45, Corentin Labbe wrote:
> > On Tue, Dec 01, 2020 at 03:16:36PM +0100, Thomas Gleixner wrote:
> > In fact the warn was a bit later so I added:
> >preempt_disable();
> > idx = arch_kmap_loca
On Tue, Dec 01 2020 at 15:45, Corentin Labbe wrote:
> On Tue, Dec 01, 2020 at 03:16:36PM +0100, Thomas Gleixner wrote:
> In fact the warn was a bit later so I added:
>preempt_disable();
> idx = arch_kmap_local_unmap_idx(kmap_local_idx(), addr);
> - WARN_ON_ONCE(addr != __fix_t
On Tue, Dec 01, 2020 at 03:16:36PM +0100, Thomas Gleixner wrote:
> On Tue, Dec 01 2020 at 14:52, Corentin Labbe wrote:
> > On Tue, Dec 01, 2020 at 02:28:54PM +0100, Thomas Gleixner wrote:
> > The patch made the board too busy logging and fail to boot until the test.
>
> Stupid me. Of course this w
On Tue, Dec 01 2020 at 14:52, Corentin Labbe wrote:
> On Tue, Dec 01, 2020 at 02:28:54PM +0100, Thomas Gleixner wrote:
> The patch made the board too busy logging and fail to boot until the test.
Stupid me. Of course this wants to be conditional.
Thanks,
tglx
---
diff --git a/mm/
On Tue, Dec 01, 2020 at 02:28:54PM +0100, Thomas Gleixner wrote:
> On Tue, Dec 01 2020 at 14:01, Corentin Labbe wrote:
> > +[ 213.050152] [ cut here ]
> > +[ 213.050207] WARNING: CPU: 0 PID: 18430 at mm/highmem.c:581
> > kunmap_local_indexed+0x194/0x1d4
> > +[ 213.050214
On Tue, Dec 01 2020 at 14:01, Corentin Labbe wrote:
> +[ 213.050152] [ cut here ]
> +[ 213.050207] WARNING: CPU: 0 PID: 18430 at mm/highmem.c:581
> kunmap_local_indexed+0x194/0x1d4
> +[ 213.050214] Modules linked in: sm4_generic authenc vmac xcbc hmac
> streebog_generic
Hello
When testing 20201130, I hit this problem:
+[ 213.050152] [ cut here ]
+[ 213.050207] WARNING: CPU: 0 PID: 18430 at mm/highmem.c:581
kunmap_local_indexed+0x194/0x1d4
+[ 213.050214] Modules linked in: sm4_generic authenc vmac xcbc hmac
streebog_generic sm3_generi
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