From: Thomas Gleixner <tglx@linutronix.de>
To: Yujie Liu <yujie.liu@intel.com>
Cc: Shanker Donthineni <sdonthineni@nvidia.com>,
oe-lkp@lists.linux.dev, lkp@intel.com,
linux-kernel@vger.kernel.org, Marc Zyngier <maz@kernel.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Michael Walle <michael@walle.cc>,
Vikram Sethi <vsethi@nvidia.com>
Subject: Re: [PATCH v3 3/3] genirq: Use the maple tree for IRQ descriptors management
Date: Fri, 28 Apr 2023 12:31:14 +0200 [thread overview]
Message-ID: <877ctw5mdp.ffs@tglx> (raw)
In-Reply-To: <ZEsiYbi8dorXTI5t@yujie-X299>
Yujie!
On Fri, Apr 28 2023 at 09:33, Yujie Liu wrote:
> On Wed, Apr 26, 2023 at 02:08:54PM +0200, Thomas Gleixner wrote:
>> Can you please retest this on v6.3 and report back when the problem
>> persists?
>
> Thanks for your help looking into this problem.
>
> The problem persists when tested on v6.3, but not 100% reproducible.
> We ran the test on v6.3 and v6.3+patch each for 20 runs. There are 9
> failed runs on v6.3+patch, while v6.3 is all clean. Full dmesg is
> attached.
Under the assumption that the code is correct, then the effect of this
patch is that it changes the timing. Sigh.
1) Does this happen with a 64-bit kernel too?
2) Can you enable the irq_vector:vector_*.* tracepoints and provide
the trace?
And please provide /proc/interrupts from that machine.
Thanks,
tglx
next prev parent reply other threads:[~2023-04-28 10:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-10 15:57 [PATCH v3 0/3] Increase the number of IRQ descriptors for SPARSEIRQ Shanker Donthineni
2023-04-10 15:57 ` [PATCH v3 1/3] genirq: Use hlist for managing resend handlers Shanker Donthineni
2023-04-10 15:57 ` [PATCH v3 2/3] genirq: Encapsulate sparse bitmap handling Shanker Donthineni
2023-04-10 15:57 ` [PATCH v3 3/3] genirq: Use the maple tree for IRQ descriptors management Shanker Donthineni
2023-04-25 3:16 ` kernel test robot
2023-04-26 12:08 ` Thomas Gleixner
2023-04-28 1:33 ` Yujie Liu
2023-04-28 10:31 ` Thomas Gleixner [this message]
2023-05-07 8:05 ` Yujie Liu
2023-05-08 9:36 ` Thomas Gleixner
2023-05-10 7:24 ` Yujie Liu
2023-05-10 14:41 ` Thomas Gleixner
2023-05-10 14:49 ` Thomas Gleixner
2023-05-10 15:19 ` Shanker Donthineni
2023-05-10 17:15 ` Shanker Donthineni
2023-05-10 19:12 ` Thomas Gleixner
2023-05-10 16:02 ` Shanker Donthineni
2023-04-15 15:49 ` [PATCH v3 0/3] Increase the number of IRQ descriptors for SPARSEIRQ Shanker Donthineni
2023-04-15 21:50 ` Thomas Gleixner
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