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X-IronPort-AV: E=McAfee;i="6500,9779,10644"; a="324855416" X-IronPort-AV: E=Sophos;i="5.98,247,1673942400"; d="scan'208";a="324855416" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Mar 2023 09:50:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10644"; a="677462919" X-IronPort-AV: E=Sophos;i="5.98,247,1673942400"; d="scan'208";a="677462919" Received: from smile.fi.intel.com ([10.237.72.54]) by orsmga002.jf.intel.com with ESMTP; 09 Mar 2023 09:50:32 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.96) (envelope-from ) id 1paKPO-000Sb6-0d; Thu, 09 Mar 2023 19:50:30 +0200 Date: Thu, 9 Mar 2023 19:50:29 +0200 From: Andy Shevchenko To: Naresh Kamboju Cc: "open list:GPIO SUBSYSTEM" , Linux-Next Mailing List , open list , lkft-triage@lists.linaro.org, "open list:KERNEL SELFTEST FRAMEWORK" , linux-mm , Arnd Bergmann , Anders Roxell , Shuah Khan , Linus Walleij , Bartosz Golaszewski Subject: Re: selftests: gpio: crash on arm64 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-Rspam-User: X-Rspamd-Queue-Id: 5DAA818001A X-Rspamd-Server: rspam01 X-Stat-Signature: 6zaekwbai1d8afa6fjr47j6htib9m9rh X-HE-Tag: 1678384237-278086 X-HE-Meta: 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 SpPzhrKi ofLgwU8BsIQnll5BgkdFNALnlQlT15eS5CPTFwd6YElFc1NUs3weYbLAEFdbctgVbGEbG36tMjYR5qk5jhxc0aExgDyVSdiqRFFf86qM3QF/cMCkB9GcNB+p0UjNaKGZ1Lp2N5Vsx7DK0oozDulODSihvX+EyuomhrL0rsBRV9Hp6v6iaMc/zO5u5WFuCwNz3HhIb2NZvZOmJIBYJlUjXsUUDDPXCjuQv+g65Frp7cvhq8DeulyHDEVVIpg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Mar 09, 2023 at 09:33:29PM +0530, Naresh Kamboju wrote: > Following kernel warnings and crash notices on arm64 Rpi4 device while > running selftests: gpio on Linux mainline 6.3.0-rc1 kernel and Linux next. > > Reported-by: Linux Kernel Functional Testing ... > [ 61.177432] *** DEADLOCK *** > [ 61.177432] > [ 61.177434] 3 locks held by modprobe/510: > [ 61.177436] #0: ffff000040000698 (&n->list_lock){-.-.}-{2:2}, at: > get_partial_node.part.0 (mm/slub.c:2271) > [ 61.177448] #1: ffff80000b227f18 (console_lock){+.+.}-{0:0}, at: > vprintk_emit (kernel/printk/printk.c:1936 kernel/printk/printk.c:2315) > [ 61.177460] #2: ffff80000b228388 (console_srcu){....}-{0:0}, at: > console_flush_all (include/linux/srcu.h:200 kernel/printk/printk.c:290 > kernel/printk/printk.c:2934) How is it related to the GPIO? Can you bisect if it's a regression somewhere? -- With Best Regards, Andy Shevchenko