* [Buildroot] [PATCH] toolchain: GCC bug 85862
@ 2018-05-21 20:29 Matt Weber
2018-05-21 21:49 ` Peter Korsgaard
2018-05-22 21:00 ` Thomas Petazzoni
0 siblings, 2 replies; 9+ messages in thread
From: Matt Weber @ 2018-05-21 20:29 UTC (permalink / raw)
To: buildroot
GCC < 7.x hangs while building libnss for the Microblaze Arch.
Discovered by
http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df
Reported:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
Simlar to:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
---
package/ecryptfs-utils/Config.in | 4 ++++
package/libnss/Config.in | 4 ++++
toolchain/Config.in | 8 ++++++++
3 files changed, 16 insertions(+)
diff --git a/package/ecryptfs-utils/Config.in b/package/ecryptfs-utils/Config.in
index bb4cc64..9d4a905 100644
--- a/package/ecryptfs-utils/Config.in
+++ b/package/ecryptfs-utils/Config.in
@@ -7,6 +7,7 @@ config BR2_PACKAGE_ECRYPTFS_UTILS
depends on BR2_PACKAGE_LIBNSPR_ARCH_SUPPORT # libnss -> libnspr
depends on !BR2_MIPS_NABI32 # libnss
depends on !BR2_STATIC_LIBS # libnss, keyutils
+ depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_85862 # microblaze specific & GCC < 7.x
select BR2_PACKAGE_KEYUTILS
select BR2_PACKAGE_LIBNSS
# runtime dependency only, some scripts are using the
@@ -35,3 +36,6 @@ comment "ecryptfs-utils needs a toolchain w/ threads, wchar, dynami library"
depends on BR2_USE_MMU
depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR || \
BR2_STATIC_LIBS
+
+comment "ecryptfs selects libnss and libnss needs a toolchain not affected by GCC bug 85862"
+ depends on BR2_TOOLCHAIN_HAS_GCC_BUG_85862
diff --git a/package/libnss/Config.in b/package/libnss/Config.in
index 599c9a6..34ddb91 100644
--- a/package/libnss/Config.in
+++ b/package/libnss/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_LIBNSS
depends on BR2_TOOLCHAIN_HAS_THREADS # libnspr
depends on BR2_PACKAGE_LIBNSPR_ARCH_SUPPORT # libnspr
depends on !BR2_STATIC_LIBS
+ depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_85862
select BR2_PACKAGE_LIBNSPR
select BR2_PACKAGE_SQLITE
select BR2_PACKAGE_ZLIB
@@ -18,3 +19,6 @@ config BR2_PACKAGE_LIBNSS
comment "libnss needs a toolchain w/ threads, dynamic library"
depends on BR2_PACKAGE_LIBNSPR_ARCH_SUPPORT
depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS
+
+comment "libnss needs a toolchain not affected by GCC bug 85862"
+ depends on BR2_TOOLCHAIN_HAS_GCC_BUG_85862
diff --git a/toolchain/Config.in b/toolchain/Config.in
index 121ddb4..2479a65 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -84,6 +84,14 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_64735
default y if BR2_m68k_cf5208
depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_7
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
+# An infinite loop exists in the find_base_term() logic of 6.x
+# on microblaze. http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df/
+config BR2_TOOLCHAIN_HAS_GCC_BUG_85862
+ bool
+ default y if BR2_microblaze
+ depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_7
+
config BR2_TOOLCHAIN_HAS_NATIVE_RPC
bool
--
1.9.1
^ permalink raw reply related [flat|nested] 9+ messages in thread
* [Buildroot] [PATCH] toolchain: GCC bug 85862
2018-05-21 20:29 [Buildroot] [PATCH] toolchain: GCC bug 85862 Matt Weber
@ 2018-05-21 21:49 ` Peter Korsgaard
2018-05-22 21:00 ` Thomas Petazzoni
1 sibling, 0 replies; 9+ messages in thread
From: Peter Korsgaard @ 2018-05-21 21:49 UTC (permalink / raw)
To: buildroot
>>>>> "Matt" == Matt Weber <matthew.weber@rockwellcollins.com> writes:
> GCC < 7.x hangs while building libnss for the Microblaze Arch.
> Discovered by
> http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df
> Reported:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
> Simlar to:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
> Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
> ---
> package/ecryptfs-utils/Config.in | 4 ++++
> package/libnss/Config.in | 4 ++++
> toolchain/Config.in | 8 ++++++++
You forgot qt5webengine. I know that qt5webengine currently isn't
available for Microblaze / issue only happens on Microblaze, but I have
added it anyway for consistency.
> 3 files changed, 16 insertions(+)
> diff --git a/package/ecryptfs-utils/Config.in b/package/ecryptfs-utils/Config.in
> index bb4cc64..9d4a905 100644
> --- a/package/ecryptfs-utils/Config.in
> +++ b/package/ecryptfs-utils/Config.in
> @@ -7,6 +7,7 @@ config BR2_PACKAGE_ECRYPTFS_UTILS
> depends on BR2_PACKAGE_LIBNSPR_ARCH_SUPPORT # libnss -> libnspr
> depends on !BR2_MIPS_NABI32 # libnss
> depends on !BR2_STATIC_LIBS # libnss, keyutils
> + depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_85862 # microblaze specific & GCC < 7.x
> select BR2_PACKAGE_KEYUTILS
> select BR2_PACKAGE_LIBNSS
> # runtime dependency only, some scripts are using the
> @@ -35,3 +36,6 @@ comment "ecryptfs-utils needs a toolchain w/ threads, wchar, dynami library"
> depends on BR2_USE_MMU
> depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR || \
> BR2_STATIC_LIBS
> +
> +comment "ecryptfs selects libnss and libnss needs a toolchain not affected by GCC bug 85862"
> + depends on BR2_TOOLCHAIN_HAS_GCC_BUG_85862
We normally just say 'ecryptfs needs a toolchain not affected by..', so
I've changed it to that and committed, thanks.
--
Bye, Peter Korsgaard
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Buildroot] [PATCH] toolchain: GCC bug 85862
2018-05-21 20:29 [Buildroot] [PATCH] toolchain: GCC bug 85862 Matt Weber
2018-05-21 21:49 ` Peter Korsgaard
@ 2018-05-22 21:00 ` Thomas Petazzoni
2018-05-23 20:38 ` Romain Naour
1 sibling, 1 reply; 9+ messages in thread
From: Thomas Petazzoni @ 2018-05-22 21:00 UTC (permalink / raw)
To: buildroot
Hello,
On Mon, 21 May 2018 15:29:42 -0500, Matt Weber wrote:
> GCC < 7.x hangs while building libnss for the Microblaze Arch.
>
> Discovered by
> http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df
>
> Reported:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
>
> Simlar to:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
>
> Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Beyond the libnss issue, we do have at least three other Microblaze timeouts. However, I think Romain Naour had identified a different issue for those:
http://autobuild.buildroot.net/?status=TIMEOUT&arch=microblazeel
Affected packages: flare-engine, boost, gst-ffmpeg.
Romain, Matt, would it be possible to make progress with those timeouts
as well ?
Thanks a lot!
Thomas
--
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Buildroot] [PATCH] toolchain: GCC bug 85862
2018-05-22 21:00 ` Thomas Petazzoni
@ 2018-05-23 20:38 ` Romain Naour
2018-05-23 20:57 ` Matthew Weber
0 siblings, 1 reply; 9+ messages in thread
From: Romain Naour @ 2018-05-23 20:38 UTC (permalink / raw)
To: buildroot
Hi Thomas,
Le 22/05/2018 ? 23:00, Thomas Petazzoni a ?crit?:
> Hello,
>
> On Mon, 21 May 2018 15:29:42 -0500, Matt Weber wrote:
>> GCC < 7.x hangs while building libnss for the Microblaze Arch.
>>
>> Discovered by
>> http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df
>>
>> Reported:
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
This bug has been marked as a duclicate of the bug I identified.
>>
>> Simlar to:
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
>>
>> Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
>
> Beyond the libnss issue, we do have at least three other Microblaze timeouts. However, I think Romain Naour had identified a different issue for those:
>
> http://autobuild.buildroot.net/?status=TIMEOUT&arch=microblazeel
>
> Affected packages: flare-engine, boost, gst-ffmpeg.
We can mark these packages affected by bug 85852 or 85180.
>
> Romain, Matt, would it be possible to make progress with those timeouts
> as well ?
For now, it's not clear why we have theses timeout with the last microblaze
toolchain bump. Uptream don't recommend to backport this patch "too risky".
Best regards,
Romain
>
> Thanks a lot!
>
> Thomas
>
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Buildroot] [PATCH] toolchain: GCC bug 85862
2018-05-23 20:38 ` Romain Naour
@ 2018-05-23 20:57 ` Matthew Weber
2018-05-23 21:08 ` Romain Naour
0 siblings, 1 reply; 9+ messages in thread
From: Matthew Weber @ 2018-05-23 20:57 UTC (permalink / raw)
To: buildroot
Romain,
On Wed, May 23, 2018 at 3:38 PM, Romain Naour <romain.naour@gmail.com> wrote:
>
> Hi Thomas,
>
> Le 22/05/2018 ? 23:00, Thomas Petazzoni a ?crit :
> > Hello,
> >
> > On Mon, 21 May 2018 15:29:42 -0500, Matt Weber wrote:
> >> GCC < 7.x hangs while building libnss for the Microblaze Arch.
> >>
> >> Discovered by
> >> http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df
> >>
> >> Reported:
> >> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
>
> This bug has been marked as a duclicate of the bug I identified.
>
> >>
> >> Simlar to:
> >> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
> >>
> >> Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
> >
> > Beyond the libnss issue, we do have at least three other Microblaze timeouts. However, I think Romain Naour had identified a different issue for those:
> >
> > http://autobuild.buildroot.net/?status=TIMEOUT&arch=microblazeel
> >
> > Affected packages: flare-engine, boost, gst-ffmpeg.
>
> We can mark these packages affected by bug 85852 or 85180.
>
Any proposed ways to impl other then adding another BR2_TOOLCHAIN_HAS_GCC_BUG_*
Matt
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Buildroot] [PATCH] toolchain: GCC bug 85862
2018-05-23 20:57 ` Matthew Weber
@ 2018-05-23 21:08 ` Romain Naour
2018-05-23 21:55 ` Matthew Weber
0 siblings, 1 reply; 9+ messages in thread
From: Romain Naour @ 2018-05-23 21:08 UTC (permalink / raw)
To: buildroot
Hi Matt,
Le 23/05/2018 ? 22:57, Matthew Weber a ?crit?:
> Romain,
>
> On Wed, May 23, 2018 at 3:38 PM, Romain Naour <romain.naour@gmail.com> wrote:
>>
>> Hi Thomas,
>>
>> Le 22/05/2018 ? 23:00, Thomas Petazzoni a ?crit :
>>> Hello,
>>>
>>> On Mon, 21 May 2018 15:29:42 -0500, Matt Weber wrote:
>>>> GCC < 7.x hangs while building libnss for the Microblaze Arch.
>>>>
>>>> Discovered by
>>>> http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df
>>>>
>>>> Reported:
>>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
>>
>> This bug has been marked as a duclicate of the bug I identified.
>>
>>>>
>>>> Simlar to:
>>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
>>>>
>>>> Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
>>>
>>> Beyond the libnss issue, we do have at least three other Microblaze timeouts. However, I think Romain Naour had identified a different issue for those:
>>>
>>> http://autobuild.buildroot.net/?status=TIMEOUT&arch=microblazeel
>>>
>>> Affected packages: flare-engine, boost, gst-ffmpeg.
>>
>> We can mark these packages affected by bug 85852 or 85180.
>>
>
> Any proposed ways to impl other then adding another BR2_TOOLCHAIN_HAS_GCC_BUG_*
We can add an autobuilder exception to reject configs building these packages
with a microblaze toolchain.
Best regards,
Romain
>
> Matt
>
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Buildroot] [PATCH] toolchain: GCC bug 85862
2018-05-23 21:08 ` Romain Naour
@ 2018-05-23 21:55 ` Matthew Weber
2018-06-07 12:43 ` davidb
0 siblings, 1 reply; 9+ messages in thread
From: Matthew Weber @ 2018-05-23 21:55 UTC (permalink / raw)
To: buildroot
All,
On Wed, May 23, 2018 at 4:08 PM, Romain Naour <romain.naour@gmail.com> wrote:
> Hi Matt,
>
> Le 23/05/2018 ? 22:57, Matthew Weber a ?crit :
>> Romain,
>>
>> On Wed, May 23, 2018 at 3:38 PM, Romain Naour <romain.naour@gmail.com> wrote:
>>>
>>> Hi Thomas,
>>>
>>> Le 22/05/2018 ? 23:00, Thomas Petazzoni a ?crit :
>>>> Hello,
>>>>
>>>> On Mon, 21 May 2018 15:29:42 -0500, Matt Weber wrote:
>>>>> GCC < 7.x hangs while building libnss for the Microblaze Arch.
>>>>>
>>>>> Discovered by
>>>>> http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df
>>>>>
>>>>> Reported:
>>>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
>>>
>>> This bug has been marked as a duclicate of the bug I identified.
>>>
>>>>>
>>>>> Simlar to:
>>>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
>>>>>
>>>>> Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
>>>>
>>>> Beyond the libnss issue, we do have at least three other Microblaze timeouts. However, I think Romain Naour had identified a different issue for those:
>>>>
>>>> http://autobuild.buildroot.net/?status=TIMEOUT&arch=microblazeel
>>>>
>>>> Affected packages: flare-engine, boost, gst-ffmpeg.
>>>
>>> We can mark these packages affected by bug 85852 or 85180.
>>>
>>
>> Any proposed ways to impl other then adding another BR2_TOOLCHAIN_HAS_GCC_BUG_*
>
> We can add an autobuilder exception to reject configs building these packages
> with a microblaze toolchain.
True as we don't have GCC8 support so we can't use the kconfig method
for filtering this one out.
http://patchwork.ozlabs.org/patch/919409/
Matt
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Buildroot] [PATCH] toolchain: GCC bug 85862
2018-05-23 21:55 ` Matthew Weber
@ 2018-06-07 12:43 ` davidb
2018-06-07 13:11 ` Thomas Petazzoni
0 siblings, 1 reply; 9+ messages in thread
From: davidb @ 2018-06-07 12:43 UTC (permalink / raw)
To: buildroot
Hi!
Regarding the commit id bd03966d4ebeb284ac3afb5f3b8cba13da2b9983 that
disables qt5webengine when the bug 85862 can be triggered on microblaze
arch, I can't enable qt5webengine when selecting QT5 Latest version
(5.10) and x86_64 arch.
I think the test about the bug should be inverted:
diff --git a/package/qt5/qt5webengine/Config.in
b/package/qt5/qt5webengine/Config.in
index 38486c6dcf..744d659567 100644
--- a/package/qt5/qt5webengine/Config.in
+++ b/package/qt5/qt5webengine/Config.in
@@ -31,7 +31,7 @@ config BR2_PACKAGE_QT5WEBENGINE
depends on BR2_TOOLCHAIN_USES_GLIBC # execinfo.h, mallinfo
depends on BR2_HOST_GCC_AT_LEAST_4_8 # qt5base-icu
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # qt5base-icu
- depends on BR2_TOOLCHAIN_HAS_GCC_BUG_85862 ||
BR2_PACKAGE_QT5_VERSION_5_6 # libnss
+ depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_85862 ||
BR2_PACKAGE_QT5_VERSION_5_6 # libnss
depends on BR2_TOOLCHAIN_HAS_THREADS # libglib2, libvpx,
qt5base-dbus
depends on BR2_USE_WCHAR # libglib2
depends on BR2_PACKAGE_QT5_GL_AVAILABLE # qt5declarative,
qt5base-eglfs
David.
Le 23/05/2018 23:55, Matthew Weber a ?crit?:
> All,
>
> On Wed, May 23, 2018 at 4:08 PM, Romain Naour <romain.naour@gmail.com>
> wrote:
>> Hi Matt,
>>
>> Le 23/05/2018 ? 22:57, Matthew Weber a ?crit :
>>> Romain,
>>>
>>> On Wed, May 23, 2018 at 3:38 PM, Romain Naour
>>> <romain.naour@gmail.com> wrote:
>>>>
>>>> Hi Thomas,
>>>>
>>>> Le 22/05/2018 ? 23:00, Thomas Petazzoni a ?crit :
>>>>> Hello,
>>>>>
>>>>> On Mon, 21 May 2018 15:29:42 -0500, Matt Weber wrote:
>>>>>> GCC < 7.x hangs while building libnss for the Microblaze Arch.
>>>>>>
>>>>>> Discovered by
>>>>>> http://autobuild.buildroot.net/results/158e8ebb39713e1b436a5cc1a1916f46c30694df
>>>>>>
>>>>>> Reported:
>>>>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85862
>>>>
>>>> This bug has been marked as a duclicate of the bug I identified.
>>>>
>>>>>>
>>>>>> Simlar to:
>>>>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
>>>>>>
>>>>>> Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
>>>>>
>>>>> Beyond the libnss issue, we do have at least three other Microblaze
>>>>> timeouts. However, I think Romain Naour had identified a different
>>>>> issue for those:
>>>>>
>>>>> http://autobuild.buildroot.net/?status=TIMEOUT&arch=microblazeel
>>>>>
>>>>> Affected packages: flare-engine, boost, gst-ffmpeg.
>>>>
>>>> We can mark these packages affected by bug 85852 or 85180.
>>>>
>>>
>>> Any proposed ways to impl other then adding another
>>> BR2_TOOLCHAIN_HAS_GCC_BUG_*
>>
>> We can add an autobuilder exception to reject configs building these
>> packages
>> with a microblaze toolchain.
>
> True as we don't have GCC8 support so we can't use the kconfig method
> for filtering this one out.
> http://patchwork.ozlabs.org/patch/919409/
>
> Matt
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
^ permalink raw reply related [flat|nested] 9+ messages in thread
* [Buildroot] [PATCH] toolchain: GCC bug 85862
2018-06-07 12:43 ` davidb
@ 2018-06-07 13:11 ` Thomas Petazzoni
0 siblings, 0 replies; 9+ messages in thread
From: Thomas Petazzoni @ 2018-06-07 13:11 UTC (permalink / raw)
To: buildroot
Hello,
On Thu, 07 Jun 2018 14:43:46 +0200, davidb wrote:
> Regarding the commit id bd03966d4ebeb284ac3afb5f3b8cba13da2b9983 that
> disables qt5webengine when the bug 85862 can be triggered on microblaze
> arch, I can't enable qt5webengine when selecting QT5 Latest version
> (5.10) and x86_64 arch.
>
> I think the test about the bug should be inverted:
>
> diff --git a/package/qt5/qt5webengine/Config.in
> b/package/qt5/qt5webengine/Config.in
> index 38486c6dcf..744d659567 100644
> --- a/package/qt5/qt5webengine/Config.in
> +++ b/package/qt5/qt5webengine/Config.in
> @@ -31,7 +31,7 @@ config BR2_PACKAGE_QT5WEBENGINE
> depends on BR2_TOOLCHAIN_USES_GLIBC # execinfo.h, mallinfo
> depends on BR2_HOST_GCC_AT_LEAST_4_8 # qt5base-icu
> depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # qt5base-icu
> - depends on BR2_TOOLCHAIN_HAS_GCC_BUG_85862 ||
> BR2_PACKAGE_QT5_VERSION_5_6 # libnss
> + depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_85862 ||
> BR2_PACKAGE_QT5_VERSION_5_6 # libnss
Gah, indeed! Could you send a patch to fix this ?
Thanks!
Thomas
--
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2018-06-07 13:11 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-05-21 20:29 [Buildroot] [PATCH] toolchain: GCC bug 85862 Matt Weber
2018-05-21 21:49 ` Peter Korsgaard
2018-05-22 21:00 ` Thomas Petazzoni
2018-05-23 20:38 ` Romain Naour
2018-05-23 20:57 ` Matthew Weber
2018-05-23 21:08 ` Romain Naour
2018-05-23 21:55 ` Matthew Weber
2018-06-07 12:43 ` davidb
2018-06-07 13:11 ` Thomas Petazzoni
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