From: Thomas Gleixner <tglx@linutronix.de>
To: lkp <oliver.sang@intel.com>, David Woodhouse <dwmw@amazon.co.uk>
Cc: LKML <linux-kernel@vger.kernel.org>,
x86@kernel.org, lkp@lists.01.org, lkp@intel.com
Subject: Re: [x86/ioapic] b643128b91: Kernel panic - not syncing: timer doesn't work through Interrupt-remapped IO-APIC
Date: Tue, 03 Nov 2020 16:22:19 +0100 [thread overview]
Message-ID: <871rha31p0.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20201103143130.GA5804@xsang-OptiPlex-9020>
Hi!
On Tue, Nov 03 2020 at 22:31, lkp wrote:
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: b643128b917ca8f1c8b1e14af64ebdc81147b2d1 ("x86/ioapic: Use irq_find_matching_fwspec() to find remapping irqdomain")
>
> [ 3.148819] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
> [ 3.154825] DMAR: DRHD: handling fault status reg 2
> [ 3.159701] DMAR: [INTR-REMAP] Request device [f0:1f.7] fault index 0 [fault reason 37] Blocked a compatibility format interrupt request
> [ 3.173870] Kernel panic - not syncing: timer doesn't work through Interrupt-remapped IO-APIC
> [ 3.182381] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.0-rc1-00029-gb643128b917c #1
> [ 3.190370] Hardware name: Supermicro SYS-5018D-FN4T/X10SDV-8C-TLN4F, BIOS 1.1 03/02/2016
> [ 3.198534] Call Trace:
> [ 3.200983] dump_stack+0x57/0x6a
> [ 3.204298] panic+0x102/0x2d2
> [ 3.207349] panic_if_irq_remap.cold+0x5/0x5
> [ 3.211613] check_timer+0x1f6/0x694
> [ 3.215184] ? printk+0x58/0x6f
> [ 3.218320] setup_IO_APIC+0x17b/0x1c3
> [ 3.222067] x86_late_time_init+0x20/0x30
> [ 3.226077] start_kernel+0x40c/0x4c7
> [ 3.229734] secondary_startup_64_no_verify+0xb8/0xbb
It's not reproducing here. Can you please redo the test with
apic=verbose on the kernel command line and provide the full dmesg
output?
Thanks,
tglx
next prev parent reply other threads:[~2020-11-03 15:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-03 14:31 [x86/ioapic] b643128b91: Kernel panic - not syncing: timer doesn't work through Interrupt-remapped IO-APIC lkp
2020-11-03 15:22 ` Thomas Gleixner [this message]
2020-11-03 16:10 ` Woodhouse, David
2020-11-03 16:36 ` [PATCH] x86/ioapic: Use I/OAPIC ID for finding irqdomain, not index David Woodhouse
2020-11-04 10:13 ` [tip: x86/apic] x86/ioapic: Use I/O-APIC " tip-bot2 for David Woodhouse
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