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Groups > linux.debian.kernel > #87560 > unrolled thread
| Started by | Ingo Saitz <ingo@hannover.ccc.de> |
|---|---|
| First post | 2025-05-14 00:00 +0200 |
| Last post | 2025-05-28 20:00 +0200 |
| Articles | 3 — 2 participants |
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Bug#1104745: Acknowledgement (gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT) Ingo Saitz <ingo@hannover.ccc.de> - 2025-05-14 00:00 +0200
Bug#1104745: Acknowledgement (gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT) Matthias Klose <doko@debian.org> - 2025-05-21 20:10 +0200
Bug#1104745: Acknowledgement (gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT) Ingo Saitz <ingo@hannover.ccc.de> - 2025-05-28 20:00 +0200
| From | Ingo Saitz <ingo@hannover.ccc.de> |
|---|---|
| Date | 2025-05-14 00:00 +0200 |
| Subject | Bug#1104745: Acknowledgement (gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT) |
| Message-ID | <KM5Pk-2Vhy-7@gated-at.bofh.it> |
On Tue, May 13, 2025 at 10:33:09AM +0200, Matthias Klose wrote:
> according to GCC upstream developers, this should be forwarded upstream for
> linux.
Do you have any reference on this, because the ICE does not occur when
building the kernel with a vanilla gcc 15.1.0 build from git. (see
Message #10)
OTOH I do get the ICE with all Debians gcc-15 versions I tested (15.1.0-1 to
15.1.0-4).
Ingo
--
const_cast<long double>(Λ)
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| From | Matthias Klose <doko@debian.org> |
|---|---|
| Date | 2025-05-21 20:10 +0200 |
| Message-ID | <KOW37-4K7B-9@gated-at.bofh.it> |
| In reply to | #87560 |
On 13.05.25 23:49, Ingo Saitz wrote: > On Tue, May 13, 2025 at 10:33:09AM +0200, Matthias Klose wrote: >> according to GCC upstream developers, this should be forwarded upstream for >> linux. > > Do you have any reference on this, because the ICE does not occur when > building the kernel with a vanilla gcc 15.1.0 build from git. (see > Message #10) > > OTOH I do get the ICE with all Debians gcc-15 versions I tested (15.1.0-1 to > 15.1.0-4). - please check with the current upstream branch. - please check with the same configure options and build targets as found in Debian.
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| From | Ingo Saitz <ingo@hannover.ccc.de> |
|---|---|
| Date | 2025-05-28 20:00 +0200 |
| Message-ID | <KRtei-6nbn-13@gated-at.bofh.it> |
| In reply to | #87630 |
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You are right, this seems indeed to be a kernel bug. The ICE occurs when
gcc (15.1.0) is compiled with --enable-checking=misc (which is included in
--enable-checking=all).
I also simplified the file that produces the ICE to three statements
(see attachment).
On Wed, May 21, 2025 at 07:56:00PM +0200, Matthias Klose wrote:
> - please check with the current upstream branch.
>
> - please check with the same configure options and build
> targets as found in Debian.
Thanks for your suggestions.
Ingo
--
const_cast<long double>(Λ)
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