On 22.07.2025 23:11, Gustavo Romero wrote:
...
The reproducer I was using - it was just booting kernel, no user-
space is needed. Qemu crashes during kernel init, or it runs fine.
I used regular kernel from debian sid:
http://deb.debian.org/debian/pool/main/l/linux-signed-amd64/linux-
image-a
Hi Michael,
On 5/30/25 16:20, Michael Tokarev wrote:
Hi!
For quite some time (almost whole day yesterday) I'm trying to find out
what's going on with mmtcg in qemu. There's apparently a race condition
somewhere, like a use-after-free or something.
It started as an incarnation of
https://gitla
On 7/21/25 10:31 AM, Peter Maydell wrote:
On Mon, 21 Jul 2025 at 18:26, Pierrick Bouvier
wrote:
On 7/21/25 10:14 AM, Michael Tokarev wrote:
rr is the first thing I tried. Nope, it's absolutely hopeless. It
tried to boot just the kernel for over 30 minutes, after which I just
gave up.
I
On Mon, 21 Jul 2025 at 18:26, Pierrick Bouvier
wrote:
>
> On 7/21/25 10:14 AM, Michael Tokarev wrote:
> > rr is the first thing I tried. Nope, it's absolutely hopeless. It
> > tried to boot just the kernel for over 30 minutes, after which I just
> > gave up.
> >
>
> I had a similar thing to deb
On 7/21/25 10:25 AM, Pierrick Bouvier wrote:
On 7/21/25 10:14 AM, Michael Tokarev wrote:
On 21.07.2025 19:29, Pierrick Bouvier wrote:
On 7/21/25 9:23 AM, Pierrick Bouvier wrote:
..
looks like a good target for TSAN, which might expose the race without
really having to trigger it.
https://www.
On 7/21/25 10:14 AM, Michael Tokarev wrote:
On 21.07.2025 19:29, Pierrick Bouvier wrote:
On 7/21/25 9:23 AM, Pierrick Bouvier wrote:
..
looks like a good target for TSAN, which might expose the race without
really having to trigger it.
https://www.qemu.org/docs/master/devel/testing/main.html#b
On 21.07.2025 19:29, Pierrick Bouvier wrote:
On 7/21/25 9:23 AM, Pierrick Bouvier wrote:
..
looks like a good target for TSAN, which might expose the race without
really having to trigger it.
https://www.qemu.org/docs/master/devel/testing/main.html#building-and-
testing-with-tsan
I think I t
Hi Michael,
On 7/21/25 4:47 AM, Philippe Mathieu-Daudé wrote:
(Cc'ing few more developers)
On 30/5/25 21:20, Michael Tokarev wrote:
Hi!
For quite some time (almost whole day yesterday) I'm trying to find out
what's going on with mmtcg in qemu. There's apparently a race condition
somewhere, l
On 7/21/25 9:23 AM, Pierrick Bouvier wrote:
Hi Michael,
On 7/21/25 4:47 AM, Philippe Mathieu-Daudé wrote:
(Cc'ing few more developers)
On 30/5/25 21:20, Michael Tokarev wrote:
Hi!
For quite some time (almost whole day yesterday) I'm trying to find out
what's going on with mmtcg in qemu. The
(Cc'ing few more developers)
On 30/5/25 21:20, Michael Tokarev wrote:
Hi!
For quite some time (almost whole day yesterday) I'm trying to find out
what's going on with mmtcg in qemu. There's apparently a race condition
somewhere, like a use-after-free or something.
It started as an incarnation
Here's a typical output with ASan enabled, fwiw:
$ ./qemu-system-x86_64 -smp 16 -m 256 -vga none -display none -kernel
/boot/vmlinuz-6.12.29-amd64 -append "console=ttyS0" -serial
file:/dev/tty -monitor stdio -initrd ~/debvm/initrd
==368707==WARNING: ASan doesn't fully support makecontext/swapco
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