* [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines)
@ 2021-06-25 7:38 Mark Cave-Ayland
2021-06-25 7:38 ` [PATCH 1/2] g364fb: use RAM memory region for framebuffer Mark Cave-Ayland
` (2 more replies)
0 siblings, 3 replies; 9+ messages in thread
From: Mark Cave-Ayland @ 2021-06-25 7:38 UTC (permalink / raw)
To: qemu-devel, f4bug, aurelien, jiaxun.yang, aleksandar.rikalo,
hpoussin, fthain
I noticed whilst testing the previous dp8393x patchset that I would always
get a segfault whilst attempting to migrate the MIPS magnum machine.
A bit of detective work shows that the problem is an incorrect VMStateDescription
in the g364fb device which expects a G364State but instead receives a
G364SysBusState.
Looking back through the git history suggests that migration for this device
(and also the MIPS magnum machines) has been broken for several years, so patch
1 takes the opportunity to improve the migration stream for the framebuffer
first whilst patch 2 contains the actual fix.
Note that I don't use the MIPS magnum machines on a regular basis but the
patchset fixes the migration error and survives some light testing here.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland (2):
g364fb: use RAM memory region for framebuffer
g364fb: add VMStateDescription for G364SysBusState
hw/display/g364fb.c | 27 ++++++++++++++++++---------
1 file changed, 18 insertions(+), 9 deletions(-)
--
2.20.1
^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH 1/2] g364fb: use RAM memory region for framebuffer
2021-06-25 7:38 [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines) Mark Cave-Ayland
@ 2021-06-25 7:38 ` Mark Cave-Ayland
2021-06-25 8:37 ` Philippe Mathieu-Daudé
2021-06-25 7:38 ` [PATCH 2/2] g364fb: add VMStateDescription for G364SysBusState Mark Cave-Ayland
2021-06-25 16:37 ` [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines) Mark Cave-Ayland
2 siblings, 1 reply; 9+ messages in thread
From: Mark Cave-Ayland @ 2021-06-25 7:38 UTC (permalink / raw)
To: qemu-devel, f4bug, aurelien, jiaxun.yang, aleksandar.rikalo,
hpoussin, fthain
Since the migration stream is already broken, we can use this opportunity to
change the framebuffer so that it is migrated as a RAM memory region rather
than as an array of bytes.
In particular this helps the output of the analyze-migration.py tool which
no longer contains a huge array representing the framebuffer contents.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
hw/display/g364fb.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
index 8f1725432c..163d7f5391 100644
--- a/hw/display/g364fb.c
+++ b/hw/display/g364fb.c
@@ -22,6 +22,7 @@
#include "hw/hw.h"
#include "hw/irq.h"
#include "hw/qdev-properties.h"
+#include "qapi/error.h"
#include "qemu/error-report.h"
#include "qemu/module.h"
#include "ui/console.h"
@@ -125,7 +126,7 @@ static void g364fb_draw_graphic8(G364State *s)
xcursor = ycursor = -65;
}
- vram = s->vram + s->top_of_screen;
+ vram = memory_region_get_ram_ptr(&s->mem_vram) + s->top_of_screen;
/* XXX: out of range in vram? */
data_display = dd = surface_data(surface);
snap = memory_region_snapshot_and_clear_dirty(&s->mem_vram, 0, s->vram_size,
@@ -274,6 +275,8 @@ static inline void g364fb_invalidate_display(void *opaque)
static void g364fb_reset(G364State *s)
{
+ uint8_t *vram = memory_region_get_ram_ptr(&s->mem_vram);
+
qemu_irq_lower(s->irq);
memset(s->color_palette, 0, sizeof(s->color_palette));
@@ -283,7 +286,7 @@ static void g364fb_reset(G364State *s)
s->ctla = 0;
s->top_of_screen = 0;
s->width = s->height = 0;
- memset(s->vram, 0, s->vram_size);
+ memset(vram, 0, s->vram_size);
g364fb_invalidate_display(s);
}
@@ -454,7 +457,6 @@ static const VMStateDescription vmstate_g364fb = {
.minimum_version_id = 1,
.post_load = g364fb_post_load,
.fields = (VMStateField[]) {
- VMSTATE_VBUFFER_UINT32(vram, G364State, 1, NULL, vram_size),
VMSTATE_BUFFER_UNSAFE(color_palette, G364State, 0, 256 * 3),
VMSTATE_BUFFER_UNSAFE(cursor_palette, G364State, 0, 9),
VMSTATE_UINT16_ARRAY(cursor, G364State, 512),
@@ -474,15 +476,12 @@ static const GraphicHwOps g364fb_ops = {
static void g364fb_init(DeviceState *dev, G364State *s)
{
- s->vram = g_malloc0(s->vram_size);
-
s->con = graphic_console_init(dev, 0, &g364fb_ops, s);
memory_region_init_io(&s->mem_ctrl, OBJECT(dev), &g364fb_ctrl_ops, s,
"ctrl", 0x180000);
- memory_region_init_ram_ptr(&s->mem_vram, NULL, "vram",
- s->vram_size, s->vram);
- vmstate_register_ram(&s->mem_vram, dev);
+ memory_region_init_ram(&s->mem_vram, NULL, "g364fb.vram", s->vram_size,
+ &error_fatal);
memory_region_set_log(&s->mem_vram, true, DIRTY_MEMORY_VGA);
}
--
2.20.1
^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH 2/2] g364fb: add VMStateDescription for G364SysBusState
2021-06-25 7:38 [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines) Mark Cave-Ayland
2021-06-25 7:38 ` [PATCH 1/2] g364fb: use RAM memory region for framebuffer Mark Cave-Ayland
@ 2021-06-25 7:38 ` Mark Cave-Ayland
2021-06-25 8:44 ` Philippe Mathieu-Daudé
2021-06-25 16:37 ` [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines) Mark Cave-Ayland
2 siblings, 1 reply; 9+ messages in thread
From: Mark Cave-Ayland @ 2021-06-25 7:38 UTC (permalink / raw)
To: qemu-devel, f4bug, aurelien, jiaxun.yang, aleksandar.rikalo,
hpoussin, fthain
Currently when QEMU attempts to migrate the MIPS magnum machine it crashes due
to a mistake in the g364fb VMStateDescription configuration which expects a
G364SysBusState and not a G364State.
Resolve the issue by adding a new VMStateDescription for G364SysBusState and
embedding the existing vmstate_g364fb VMStateDescription inside it using
VMSTATE_STRUCT.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
hw/display/g364fb.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
index 163d7f5391..990ef3afdd 100644
--- a/hw/display/g364fb.c
+++ b/hw/display/g364fb.c
@@ -518,6 +518,16 @@ static Property g364fb_sysbus_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static const VMStateDescription vmstate_g364fb_sysbus = {
+ .name = "g364fb-sysbus",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_STRUCT(g364, G364SysBusState, 1, vmstate_g364fb, G364State),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static void g364fb_sysbus_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -526,7 +536,7 @@ static void g364fb_sysbus_class_init(ObjectClass *klass, void *data)
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
dc->desc = "G364 framebuffer";
dc->reset = g364fb_sysbus_reset;
- dc->vmsd = &vmstate_g364fb;
+ dc->vmsd = &vmstate_g364fb_sysbus;
device_class_set_props(dc, g364fb_sysbus_properties);
}
--
2.20.1
^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH 1/2] g364fb: use RAM memory region for framebuffer
2021-06-25 7:38 ` [PATCH 1/2] g364fb: use RAM memory region for framebuffer Mark Cave-Ayland
@ 2021-06-25 8:37 ` Philippe Mathieu-Daudé
2021-06-25 11:52 ` Mark Cave-Ayland
0 siblings, 1 reply; 9+ messages in thread
From: Philippe Mathieu-Daudé @ 2021-06-25 8:37 UTC (permalink / raw)
To: Mark Cave-Ayland, qemu-devel, aurelien, jiaxun.yang,
aleksandar.rikalo, hpoussin, fthain
On 6/25/21 9:38 AM, Mark Cave-Ayland wrote:
> Since the migration stream is already broken, we can use this opportunity to
> change the framebuffer so that it is migrated as a RAM memory region rather
> than as an array of bytes.
>
> In particular this helps the output of the analyze-migration.py tool which
> no longer contains a huge array representing the framebuffer contents.
>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
> hw/display/g364fb.c | 15 +++++++--------
> 1 file changed, 7 insertions(+), 8 deletions(-)
> @@ -454,7 +457,6 @@ static const VMStateDescription vmstate_g364fb = {
> .minimum_version_id = 1,
Even if broken, I'd increase to version as good practice.
> .post_load = g364fb_post_load,
> .fields = (VMStateField[]) {
> - VMSTATE_VBUFFER_UINT32(vram, G364State, 1, NULL, vram_size),
> VMSTATE_BUFFER_UNSAFE(color_palette, G364State, 0, 256 * 3),
> VMSTATE_BUFFER_UNSAFE(cursor_palette, G364State, 0, 9),
> VMSTATE_UINT16_ARRAY(cursor, G364State, 512),
The vram pointer is now unused, we can remove it:
-- >8 --
diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
index 990ef3afdd8..11ad61fa73a 100644
--- a/hw/display/g364fb.c
+++ b/hw/display/g364fb.c
@@ -34,7 +34,6 @@
typedef struct G364State {
/* hardware */
- uint8_t *vram;
uint32_t vram_size;
qemu_irq irq;
MemoryRegion mem_vram;
---
Removing 'uint8_t *vram':
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH 2/2] g364fb: add VMStateDescription for G364SysBusState
2021-06-25 7:38 ` [PATCH 2/2] g364fb: add VMStateDescription for G364SysBusState Mark Cave-Ayland
@ 2021-06-25 8:44 ` Philippe Mathieu-Daudé
2021-06-25 11:57 ` Mark Cave-Ayland
0 siblings, 1 reply; 9+ messages in thread
From: Philippe Mathieu-Daudé @ 2021-06-25 8:44 UTC (permalink / raw)
To: Mark Cave-Ayland, qemu-devel, aurelien, jiaxun.yang,
aleksandar.rikalo, hpoussin, fthain
On 6/25/21 9:38 AM, Mark Cave-Ayland wrote:
> Currently when QEMU attempts to migrate the MIPS magnum machine it crashes due
> to a mistake in the g364fb VMStateDescription configuration which expects a
> G364SysBusState and not a G364State.
>
> Resolve the issue by adding a new VMStateDescription for G364SysBusState and
> embedding the existing vmstate_g364fb VMStateDescription inside it using
> VMSTATE_STRUCT.
Broken since 97a3f6ffbba ("g364fb: convert to qdev")?
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
> hw/display/g364fb.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
> index 163d7f5391..990ef3afdd 100644
> --- a/hw/display/g364fb.c
> +++ b/hw/display/g364fb.c
> @@ -518,6 +518,16 @@ static Property g364fb_sysbus_properties[] = {
> DEFINE_PROP_END_OF_LIST(),
> };
>
> +static const VMStateDescription vmstate_g364fb_sysbus = {
> + .name = "g364fb-sysbus",
> + .version_id = 1,
> + .minimum_version_id = 1,
> + .fields = (VMStateField[]) {
> + VMSTATE_STRUCT(g364, G364SysBusState, 1, vmstate_g364fb, G364State),
> + VMSTATE_END_OF_LIST()
> + }
> +};
> +
> static void g364fb_sysbus_class_init(ObjectClass *klass, void *data)
> {
> DeviceClass *dc = DEVICE_CLASS(klass);
> @@ -526,7 +536,7 @@ static void g364fb_sysbus_class_init(ObjectClass *klass, void *data)
> set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
> dc->desc = "G364 framebuffer";
> dc->reset = g364fb_sysbus_reset;
> - dc->vmsd = &vmstate_g364fb;
> + dc->vmsd = &vmstate_g364fb_sysbus;
> device_class_set_props(dc, g364fb_sysbus_properties);
> }
>
>
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 1/2] g364fb: use RAM memory region for framebuffer
2021-06-25 8:37 ` Philippe Mathieu-Daudé
@ 2021-06-25 11:52 ` Mark Cave-Ayland
0 siblings, 0 replies; 9+ messages in thread
From: Mark Cave-Ayland @ 2021-06-25 11:52 UTC (permalink / raw)
To: Philippe Mathieu-Daudé,
qemu-devel, aurelien, jiaxun.yang, aleksandar.rikalo, hpoussin,
fthain
On 25/06/2021 09:37, Philippe Mathieu-Daudé wrote:
> On 6/25/21 9:38 AM, Mark Cave-Ayland wrote:
>> Since the migration stream is already broken, we can use this opportunity to
>> change the framebuffer so that it is migrated as a RAM memory region rather
>> than as an array of bytes.
>>
>> In particular this helps the output of the analyze-migration.py tool which
>> no longer contains a huge array representing the framebuffer contents.
>>
>> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
>> ---
>> hw/display/g364fb.c | 15 +++++++--------
>> 1 file changed, 7 insertions(+), 8 deletions(-)
>
>> @@ -454,7 +457,6 @@ static const VMStateDescription vmstate_g364fb = {
>> .minimum_version_id = 1,
>
> Even if broken, I'd increase to version as good practice.
Sure - I'll go ahead and do that for a v2. The reason I wasn't too worried was
because since the wrong struct is used for saving data, the outgoing stream is
corrupted so all bets are off on being able to reload it(!).
>> .post_load = g364fb_post_load,
>> .fields = (VMStateField[]) {
>> - VMSTATE_VBUFFER_UINT32(vram, G364State, 1, NULL, vram_size),
>> VMSTATE_BUFFER_UNSAFE(color_palette, G364State, 0, 256 * 3),
>> VMSTATE_BUFFER_UNSAFE(cursor_palette, G364State, 0, 9),
>> VMSTATE_UINT16_ARRAY(cursor, G364State, 512),
>
> The vram pointer is now unused, we can remove it:
Indeed. I remember thinking I had to do this, but clearly forgot. Will fix.
> -- >8 --
> diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
> index 990ef3afdd8..11ad61fa73a 100644
> --- a/hw/display/g364fb.c
> +++ b/hw/display/g364fb.c
> @@ -34,7 +34,6 @@
>
> typedef struct G364State {
> /* hardware */
> - uint8_t *vram;
> uint32_t vram_size;
> qemu_irq irq;
> MemoryRegion mem_vram;
> ---
>
> Removing 'uint8_t *vram':
> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
ATB,
Mark.
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 2/2] g364fb: add VMStateDescription for G364SysBusState
2021-06-25 8:44 ` Philippe Mathieu-Daudé
@ 2021-06-25 11:57 ` Mark Cave-Ayland
0 siblings, 0 replies; 9+ messages in thread
From: Mark Cave-Ayland @ 2021-06-25 11:57 UTC (permalink / raw)
To: Philippe Mathieu-Daudé,
qemu-devel, aurelien, jiaxun.yang, aleksandar.rikalo, hpoussin,
fthain
On 25/06/2021 09:44, Philippe Mathieu-Daudé wrote:
> On 6/25/21 9:38 AM, Mark Cave-Ayland wrote:
>> Currently when QEMU attempts to migrate the MIPS magnum machine it crashes due
>> to a mistake in the g364fb VMStateDescription configuration which expects a
>> G364SysBusState and not a G364State.
>>
>> Resolve the issue by adding a new VMStateDescription for G364SysBusState and
>> embedding the existing vmstate_g364fb VMStateDescription inside it using
>> VMSTATE_STRUCT.
>
> Broken since 97a3f6ffbba ("g364fb: convert to qdev")?
(goes and looks)
Wow that does appear to be correct - I gave up looking when I got to 8 years ago ;)
But yes, the bug is introduced by that commit: before you can see that
register_savevm() was called with a G364State opaque whereas after the switch to QOM
object the object reference for the VMStateDescription becomes G364SysBusState instead.
I'll add a "Fixes:" tag and send again.
>> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
>> ---
>> hw/display/g364fb.c | 12 +++++++++++-
>> 1 file changed, 11 insertions(+), 1 deletion(-)
>>
>> diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
>> index 163d7f5391..990ef3afdd 100644
>> --- a/hw/display/g364fb.c
>> +++ b/hw/display/g364fb.c
>> @@ -518,6 +518,16 @@ static Property g364fb_sysbus_properties[] = {
>> DEFINE_PROP_END_OF_LIST(),
>> };
>>
>> +static const VMStateDescription vmstate_g364fb_sysbus = {
>> + .name = "g364fb-sysbus",
>> + .version_id = 1,
>> + .minimum_version_id = 1,
>> + .fields = (VMStateField[]) {
>> + VMSTATE_STRUCT(g364, G364SysBusState, 1, vmstate_g364fb, G364State),
>> + VMSTATE_END_OF_LIST()
>> + }
>> +};
>> +
>> static void g364fb_sysbus_class_init(ObjectClass *klass, void *data)
>> {
>> DeviceClass *dc = DEVICE_CLASS(klass);
>> @@ -526,7 +536,7 @@ static void g364fb_sysbus_class_init(ObjectClass *klass, void *data)
>> set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
>> dc->desc = "G364 framebuffer";
>> dc->reset = g364fb_sysbus_reset;
>> - dc->vmsd = &vmstate_g364fb;
>> + dc->vmsd = &vmstate_g364fb_sysbus;
>> device_class_set_props(dc, g364fb_sysbus_properties);
>> }
>>
>>
ATB,
Mark.
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines)
2021-06-25 7:38 [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines) Mark Cave-Ayland
2021-06-25 7:38 ` [PATCH 1/2] g364fb: use RAM memory region for framebuffer Mark Cave-Ayland
2021-06-25 7:38 ` [PATCH 2/2] g364fb: add VMStateDescription for G364SysBusState Mark Cave-Ayland
@ 2021-06-25 16:37 ` Mark Cave-Ayland
2021-06-25 17:20 ` Philippe Mathieu-Daudé
2 siblings, 1 reply; 9+ messages in thread
From: Mark Cave-Ayland @ 2021-06-25 16:37 UTC (permalink / raw)
To: qemu-devel, f4bug, aurelien, jiaxun.yang, aleksandar.rikalo,
hpoussin, fthain
On 25/06/2021 08:38, Mark Cave-Ayland wrote:
> I noticed whilst testing the previous dp8393x patchset that I would always
> get a segfault whilst attempting to migrate the MIPS magnum machine.
>
> A bit of detective work shows that the problem is an incorrect VMStateDescription
> in the g364fb device which expects a G364State but instead receives a
> G364SysBusState.
>
> Looking back through the git history suggests that migration for this device
> (and also the MIPS magnum machines) has been broken for several years, so patch
> 1 takes the opportunity to improve the migration stream for the framebuffer
> first whilst patch 2 contains the actual fix.
>
> Note that I don't use the MIPS magnum machines on a regular basis but the
> patchset fixes the migration error and survives some light testing here.
>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
>
>
> Mark Cave-Ayland (2):
> g364fb: use RAM memory region for framebuffer
> g364fb: add VMStateDescription for G364SysBusState
>
> hw/display/g364fb.c | 27 ++++++++++++++++++---------
> 1 file changed, 18 insertions(+), 9 deletions(-)
Thanks for the review Phil, I've just sent v2 on its way. Does it make sense for this
to be merged via the MIPS tree?
ATB,
Mark.
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines)
2021-06-25 16:37 ` [PATCH 0/2] g364fb: fix migration (or: fix migration for MIPS magnum machines) Mark Cave-Ayland
@ 2021-06-25 17:20 ` Philippe Mathieu-Daudé
0 siblings, 0 replies; 9+ messages in thread
From: Philippe Mathieu-Daudé @ 2021-06-25 17:20 UTC (permalink / raw)
To: Mark Cave-Ayland, qemu-devel, aurelien, jiaxun.yang,
aleksandar.rikalo, hpoussin, fthain
On 6/25/21 6:37 PM, Mark Cave-Ayland wrote:
> On 25/06/2021 08:38, Mark Cave-Ayland wrote:
>
>> I noticed whilst testing the previous dp8393x patchset that I would
>> always
>> get a segfault whilst attempting to migrate the MIPS magnum machine.
>>
>> A bit of detective work shows that the problem is an incorrect
>> VMStateDescription
>> in the g364fb device which expects a G364State but instead receives a
>> G364SysBusState.
>>
>> Looking back through the git history suggests that migration for this
>> device
>> (and also the MIPS magnum machines) has been broken for several years,
>> so patch
>> 1 takes the opportunity to improve the migration stream for the
>> framebuffer
>> first whilst patch 2 contains the actual fix.
>>
>> Note that I don't use the MIPS magnum machines on a regular basis but the
>> patchset fixes the migration error and survives some light testing here.
>>
>> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
>>
>>
>> Mark Cave-Ayland (2):
>> g364fb: use RAM memory region for framebuffer
>> g364fb: add VMStateDescription for G364SysBusState
>>
>> hw/display/g364fb.c | 27 ++++++++++++++++++---------
>> 1 file changed, 18 insertions(+), 9 deletions(-)
>
> Thanks for the review Phil, I've just sent v2 on its way. Does it make
> sense for this to be merged via the MIPS tree?
Sure, I was going to suggest that too. Gerd could still beats me
since it is hw/display/ ;) I plan to send another pull request
during next week.
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2021-06-25 17:21 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
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2021-06-25 8:37 ` Philippe Mathieu-Daudé
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