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[2a02:3100:a4d2:5c00:ad7a:ba59:161c:c724]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-43d0a73127esm31013925e9.8.2025.03.12.12.34.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Mar 2025 12:34:06 -0700 (PDT) Message-ID: <3046c6a2-72a0-412e-a865-48dc129be0df@gmail.com> Date: Wed, 12 Mar 2025 20:34:12 +0100 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: Robin Murphy , Joerg Roedel , Bjorn Helgaas , Lorenzo Pieralisi , Jason Gunthorpe Cc: linux-acpi@vger.kernel.org, iommu@lists.linux.dev From: Heiner Kallweit Subject: New "something fishy here" warning fires Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Since "iommu: Get DT/ACPI parsing into the proper probe path" I get the following on a N100-based mini pc. The warning pops up 4 times, for: PNP0C14:00 PNP0C14:01 PNP0C14:00 PNP0C14:01 Any other info you'd be interested in? [ +0.000139] Unpacking initramfs... [ +0.000690] ------------[ cut here ]------------ [ +0.000028] acpi-wmi PNP0C14:00: late IOMMU probe at driver bind, something fishy here! [ +0.000041] WARNING: CPU: 1 PID: 1 at drivers/iommu/iommu.c:449 __iommu_probe_device+0x12b/0x530 [ +0.000034] Modules linked in: [ +0.000024] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.14.0-rc6-next-20250312+ #2 [ +0.000029] Hardware name: Default string Default string/Default string, BIOS ADLN.M6.SODIMM.ZB.CY.015 08/08/2023 [ +0.000032] RIP: 0010:__iommu_probe_device+0x12b/0x530 [ +0.000019] Code: 68 00 74 28 4c 8b 73 50 4d 85 f6 75 03 4c 8b 33 48 89 df e8 d7 ec 00 00 4c 89 f2 48 c7 c7 b8 91 7b 9e 48 89 c6 e8 f5 3e 96 ff > [ +0.000055] RSP: 0000:ffffb031c006fc98 EFLAGS: 00010282 [ +0.000021] RAX: 0000000000000000 RBX: ffff9469416c5010 RCX: 0000000000000000 [ +0.000023] RDX: 0000000000000002 RSI: 0000000000000003 RDI: 00000000ffffffff [ +0.000023] RBP: ffffb031c006fcd8 R08: 0000000000000000 R09: ffffb031c006fae8 [ +0.000023] R10: ffffffff9eb1ea68 R11: 0000000000000003 R12: ffffffff9e485280 [ +0.000023] R13: ffffb031c006fd70 R14: ffff946940bb8ec0 R15: 0000000000000000 [ +0.000023] FS: 0000000000000000(0000) GS:ffff946b18bec000(0000) knlGS:0000000000000000 [ +0.000037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0.000020] CR2: 0000000000000000 CR3: 000000016c650001 CR4: 0000000000770ef0 [ +0.000023] PKRU: 55555554 [ +0.000012] Call Trace: [ +0.000010] [ +0.000011] ? show_regs.part.0+0x1d/0x30 [ +0.000019] ? show_regs.cold+0x8/0xd [ +0.000016] ? __iommu_probe_device+0x12b/0x530 [ +0.000017] ? __warn.cold+0xc2/0x15e [ +0.000018] ? __iommu_probe_device+0x12b/0x530 [ +0.000017] ? report_bug+0xe3/0x170 [ +0.000016] ? console_unlock+0x7d/0x110 [ +0.000018] ? __iommu_probe_device+0x12b/0x530 [ +0.000016] ? __iommu_probe_device+0x12d/0x530 [ +0.000017] ? handle_bug+0x116/0x170 [ +0.000018] ? exc_invalid_op+0x18/0x70 [ +0.000017] ? asm_exc_invalid_op+0x1b/0x20 [ +0.000022] ? __iommu_probe_device+0x12b/0x530 [ +0.000018] ? __iommu_probe_device+0x12b/0x530 [ +0.000019] ? __pfx_probe_iommu_group+0x10/0x10 [ +0.000017] probe_iommu_group+0x26/0x50 [ +0.000016] bus_for_each_dev+0x79/0xd0 [ +0.000020] iommu_device_register+0xbe/0x230 [ +0.000021] intel_iommu_init+0xd76/0xf40 [ +0.000016] ? _raw_spin_unlock_irqrestore+0x55/0x80 [ +0.000022] ? __this_cpu_preempt_check+0x13/0x20 [ +0.000018] ? lockdep_hardirqs_on+0x7d/0x110 [ +0.000018] ? trace_hardirqs_on+0x5b/0xd0 [ +0.000017] ? _raw_spin_unlock_irqrestore+0x3c/0x80 [ +0.000020] ? __pfx_pci_iommu_init+0x10/0x10 [ +0.000021] pci_iommu_init+0xd/0x40