From: Catalin Marinas <catalin.marinas@arm.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: torvalds@linux-foundation.org, davem@davemloft.net,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
pabeni@redhat.com, Guo Weikang <guoweikang.kernel@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [GIT PULL] Networking for v6.13-rc7
Date: Tue, 21 Jan 2025 20:46:12 +0000 [thread overview]
Message-ID: <Z5AHlDLU6I8zh71D@arm.com> (raw)
In-Reply-To: <20250121074218.52ce108b@kernel.org>
On Tue, Jan 21, 2025 at 07:42:18AM -0800, Jakub Kicinski wrote:
> On Tue, 21 Jan 2025 11:09:20 +0000 Catalin Marinas wrote:
> > > > Hmm, I don't think this would make any difference as kmemleak does scan
> > > > the memblock allocations as long as they have a correspondent VA in the
> > > > linear map.
> > > >
> > > > BTW, is NUMA enabled or disabled in your .config?
> > >
> > > It's pretty much kernel/configs/debug.config, with virtme-ng, booted
> > > with 4 CPUs. LMK if you can't repro with that, I can provide exact
> > > cmdline.
> >
> > Please do. I haven't tried to reproduce it yet on x86 as I don't have
> > any non-arm hardware around. It did not trigger on arm64. I think
> > virtme-ng may work with qemu. Anyway, I'll be off from tomorrow until
> > the end of the week, so more likely to try it next week.
>
> vng -b -f tools/testing/selftests/net/config -f kernel/configs/debug.config
>
> vng -r arch/x86_64/boot/bzImage --cpus 4 --user root -v --network loop
Great, thanks. I managed to reproduce it (after hacking vng to allow
x86_64 as non-host architecture). I'll try to debug towards the end of
the week or next week.
--
Catalin
next prev parent reply other threads:[~2025-01-21 20:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-09 18:29 [GIT PULL] Networking for v6.13-rc7 Jakub Kicinski
2025-01-09 23:21 ` pr-tracker-bot
2025-01-17 3:38 ` Jakub Kicinski
2025-01-18 13:45 ` Catalin Marinas
2025-01-20 14:51 ` Catalin Marinas
2025-01-20 17:45 ` Jakub Kicinski
2025-01-21 11:09 ` Catalin Marinas
2025-01-21 15:42 ` Jakub Kicinski
2025-01-21 20:46 ` Catalin Marinas [this message]
2025-01-23 17:11 ` Matthieu Baerts
2025-01-24 18:07 ` Andrea Righi
2025-01-27 14:27 ` Catalin Marinas
2025-01-27 17:39 ` Matthieu Baerts
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