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Date: Mon, 26 Jul 2021 21:36:21 +0100 From: Robin Murphy <robin.murphy@....com> To: Qian Cai <quic_qiancai@...cinc.com>, Bing Fan <hptsfb@...il.com>, gregkh@...uxfoundation.org, Bing Fan <tombinfan@...cent.com> Cc: linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org, Linux ARM <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH v5] arm pl011 serial: support multi-irq request On 2021-07-26 17:39, Qian Cai wrote: > > > On 7/26/2021 3:17 AM, Bing Fan wrote: >> Hello, >> >> I tried to reproduce, but unfortunately, it didn't, and the dmesg log as >> attachment. >> >> I had enabled CONFIG_KASAN and CONFIG_SLUB_DEBUG_ON configs. >> >> Can you describe the flow of your operation? >> > Nothing fancy. Just boot a baremetal ARM server on linux-next could trigger it. > The .config is here. The important point you're missing, but which the KASAN dump does hint at, is that that is a machine with SBSA generic UARTs booting via ACPI - I know it doesn't do DT at all because I have one too. What matters there is that pl011 binds as a platform driver, *not* an amba driver. Robin.
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