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Wysocki" , Viresh Kumar , Will Deacon , Jonathan.Cameron@huawei.com, Matteo.Carlini@arm.com, Valentin.Schneider@arm.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, Eric Mackay , dave.kleikamp@oracle.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@armlinux.org.uk, robin.murphy@arm.com, vanshikonda@os.amperecomputing.com, yang@os.amperecomputing.com, Nishanth Menon , Stephen Boyd From: Marek Szyprowski In-Reply-To: <173078dd-3743-2d39-a9ea-015ea5be48f8@linux.com> Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA01Sf1CTZRzved93715m815fqD2hQq4oqRMko3sIgTqxXi//gKtD67poyBtw AXobI+TIdrlDILEFEmNNwYPAm0tqonAUniAxGCkMOFxjBjTQ+DFyoOggKbY3i/++nx/fH5/n HgpnTpKBVEZ2DifPlmVKSRFxqcvTty1ENM9tv+eMRPpGI4kudx9Af9YfB+jG4ixAV24N4Ghy pV6IDGeGSWRyDgvQYKueRL8Z/xaghdJOgDoq2gD69oYVQ8v19zE0++Aahk7drcBR+50JAVoZ /oFADZYWAjVXe3A0ZXcQ6MJYF4nUjkhUWtcjfA2yxtNGwA4OW3FW3ekSsCZDMcma5suEbLd2 mWAnhiox9kLdZ6x70k6wXwzahKzZ1oyxC6aghMffE+1M5TIzcjl5eOyHonS9xUoeqqDyGq4u ABVoJkuAHwXpl6FBU4iXABHF0GcBdP8yQfDgLoB6bSXGgwUAh8ZuCR+1nKszC3mhAcBqfa+A B24Au6xLmNclpmOhcabFVxN0CJwdWRTy/AbYU+Xd4Uc9QQfDUbvWx/vTMjjdXIN7a5yWQPtE ta83gA6HFbVFvptw2iOA3395TOAVSDoClrhKfCn86BhYO36a4JuD4dGL3/gSQfqECGqmilcF ahXEQ7WT5SP4w2lz079xNsHe8uME7z8GYM3yKMYDDYCq23bAu6Kh4/oS6R2E06GwsTWcp1+H 0ycahfz89dDm2sDfsB6WXarEeVoMiwoZ3v0c1JnP/7e2vX8A1wCpbs2z6NbE161Jo/t/bw0g DEDCKRVZaZxiRzb3SZhClqVQZqeFHTiYZQKrH7d3xXyvBZyddod1AIwCHQBSuDRAfGSLm2PE qbLD+Zz8YLJcmckpOsBGipBKxCGpwRxDp8lyuI857hAnf6RilF+gCttzOeCnczFbQnO6Y2ku 2db0cOBMpLhMvjX/ZmWRbowqmJ9h7rRb3rpYpezNc1WBr/qfv9b3o/XF2s0expbUVqDdtC/F cTVha9DhuODlOP8/djr6bW+Mv70nbeqkJf78O2xStfDpWtGE8qn3Jeacwt25kNHWN43XlUar 4j+dJI841B/s63yJSfy1ydYTlbj/zdChvIyo+59ThqWfyzWqGEY3WvVKwdF358vlga5TfyVs i3ggmfva2Ze0bi4oLi96rynd+dh31/dvLt6lHW9rbbduT7qpzdz9pIgS72IM6sR1z+41TOeO JINnon5PCSRNMxtf9QQvzj0sHsnn6Csf7bhtSemUEop0WcQLuFwh+wdUzi2PJwQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrOKsWRmVeSWpSXmKPExsVy+t/xu7qqXJ9SDZ4tFLKYs34Nm8W+E8kW 75f1MFpc//aG0eLAs0vMFk//LWO3WLXwGpvFpsfXWC0u75rDZnFvzX9Wi8+9RxgtDk3dy2ix 9PpFJovfy74zWbz5cZbJYu6XqcwWBz88YbX4d20ji8XyUztYLLbP/8ls8fLWHRaLzQ+OsVm0 3DG16F1ykt1BwmPNvDWMHpevXWT2aDnyltVj06pONo9Nnyaxe5yY8ZvF48mV6Uwem5fUe3x8 eovFo/vyDXaP4ze2M3l83iQXwBOlZ1OUX1qSqpCRX1xiqxRtaGGkZ2hpoWdkYqlnaGwea2Vk qqRvZ5OSmpNZllqkb5eglzHn1EW2gqkcFcsPf2ZsYNzO1sXIySEhYCKxeslx9i5GLg4hgaWM EnOPX2GFSMhInJzWAGULS/y51sUGUfSeUeLm311gCV4BO4k1r3cwgdgsAqoSb25/Y4eIC0qc nPmEBcQWFZCXuH9rBlhcWCBR4tX2BcwgNrOAuMStJ/PBekUE9CWmLu5gAVnALPCbVWLqlx0s ENseM0vs3X+UEaSKTcBQouttF9jdnAK2EosfzmOBmGQm0bW1ixHClpdo3jqbeQKj0Cwkh8xC snAWkpZZSFoWMLKsYhRJLS3OTc8tNtIrTswtLs1L10vOz93ECEwx24793LKDceWrj3qHGJk4 GA8xSnAwK4nw1il+TBXiTUmsrEotyo8vKs1JLT7EaAoMjYnMUqLJ+cAkl1cSb2hmYGpoYmZp YGppZqwkzutZ0JEoJJCeWJKanZpakFoE08fEwSnVwMS4PO5qRXtYlDxvnf32CWcuB3VsTwjj P2Un4TGF8fVi/ZB8yQ2ZM8zX3EuO2Xd26d8VflMiph5wuL0yjEmZ7dvZ1H7+t12FstcqNHUe JxzatvH21IYFF5q4vKZpWU6Icvz06NDFfx/ey/FzzP288wb/g/u6M9kOvtG6+P/8xzwmjj3s a3n2reSVnHf6Sdu3y6t8Dlx5XdX0VeJ93elJv3LflH6Q4i2+7fuqxuOOxb1JV3JPLTORPSJ0 +vzzRo+CVyt2p/+sZny7XifeIOJqZMmdVll9/Yv6q/qPZXuaHvscKOv3coed5YqE/Ysf9wZ+ vHBTSdfd8vDXzLSA2l1cqS2xOZcFhNepyx/923r53K4UJZbijERDLeai4kQAWu2UZLoDAAA= X-CMS-MailID: 20240313201845eucas1p2f042dd14bd3cff23e28b594b330667b0 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20240308140130eucas1p1259c805a0b6491ce2f69c6fca0264b1f X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20240308140130eucas1p1259c805a0b6491ce2f69c6fca0264b1f References: <37099a57-b655-3b3a-56d0-5f7fbd49d7db@gentwo.org> <9352f410-9dad-ac89-181a-b3cfc86176b8@linux.com> <432c1980-b00f-4b07-9e24-0bec52ccb5d6@samsung.com> <173078dd-3743-2d39-a9ea-015ea5be48f8@linux.com> On 13.03.2024 17:39, Christoph Lameter (Ampere) wrote: > On Wed, 13 Mar 2024, Marek Szyprowski wrote: > >>> I did try to trigger this on FVP by adding OPPs + some hacks to add >>> dummy >>> clock provider to successfully probe this driver. I couldn't hit the >>> issue >>> reported 🙁. It could be that with the hardware clock/regulator >>> drivers, it >>> take a different path in OPP core. >> >> I can fully reproduce this issue on Khadas VIM3 and Odroid-N2 boards. >> Both Meson A311D SoC based. > > Hmm... Would it trigger on Orangepi5plus? With some effort I can get > that board up at home. > > Could you reboot with some memory diagnostics so that we are sure that > nothing gets corrupted? > > F.e. specify a command line parameter "slub_debug" to enable > redzoning. That way we may see potential memory corruption. I've added CONFIG_SLUB_DEBUG_ON=y to my .config, but I got no reports for any potential memory corruption. Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland