Bug 206313
Summary: | kernel 5.5 breaks iommu | ||
---|---|---|---|
Product: | Drivers | Reporter: | chriscjsus |
Component: | IOMMU | Assignee: | drivers_iommu |
Status: | RESOLVED CODE_FIX | ||
Severity: | high | CC: | chriscjsus, faust6, jbuchert+kbugs, Journeyofsoul1, nutodafozo, romualduimi, ulteq |
Priority: | P1 | ||
Hardware: | All | ||
OS: | Linux | ||
Kernel Version: | 5.5 | Subsystem: | |
Regression: | No | Bisected commit-id: |
Description
chriscjsus
2020-01-26 07:22:41 UTC
Tried kernel 5.5 release. Same results. Revert f036c7fa0ab60b7ea47560c32c78e435eb1cd214 to fix. intel cpus only? I get the same DMAR error: DMAR: Host address width 39 kernel: DMAR: DRHD base: 0x000000fed90000 flags: 0x0 kernel: DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 7e1ff0505e kernel: DMAR: DRHD base: 0x000000fed91000 flags: 0x1 kernel: DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c20660462 ecap f010da kernel: DMAR: RMRR base: 0x0000009bcf2000 end: 0x0000009bd08fff kernel: DMAR: RMRR base: 0x0000009d800000 end: 0x0000009fffffff kernel: DMAR: [Firmware Bug]: No firmware reserved region can cover this RMRR [0x000000009d800000-0x000000009fffffff], contact BIOS vendor for fixes kernel: DMAR: Parse DMAR table failure. $uname -a Linux <...> 5.5.2-arch1-1 #1 SMP PREEMPT Tue, 04 Feb 2020 18:56:18 +0000 x86_64 GNU/Linux System: ThinkPad T450s OS: Arch Linux Same issue: Intel Core i9-7960X, ASUS WS X299 SAGE, NVIDIA Titan X (Pascal) 5.5.6 should fix it iommu/vt-d: Mark firmware tainted if RMRR fails sanity check Same issue: Intel Core i5-5200U, Dell Inspiron 7348 $ uname -a Linux jeronimo 5.5.8-zen1-1-zen #1 ZEN SMP PREEMPT Fri, 06 Mar 2020 00:57:35 +0000 x86_64 GNU/Linux Also issue have linux-kernel, linux-clear. linux-lts 5.4.24-1 have no this issue [root@server etc]# uname -a Linux server 5.5.9-arch1-2 #1 SMP PREEMPT Thu, 12 Mar 2020 23:01:33 +0000 x86_64 GNU/Linux мар 15 08:34:27 server kernel: DMAR: Host address width 39 мар 15 08:34:27 server kernel: DMAR: DRHD base: 0x000000fed90000 flags: 0x0 мар 15 08:34:27 server kernel: DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e мар 15 08:34:27 server kernel: DMAR: DRHD base: 0x000000fed91000 flags: 0x1 мар 15 08:34:27 server kernel: DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da мар 15 08:34:27 server kernel: DMAR: RMRR base: 0x0000008c955000 end: 0x0000008c974fff мар 15 08:34:27 server kernel: DMAR: RMRR base: 0x0000008d800000 end: 0x0000008fffffff мар 15 08:34:27 server kernel: DMAR: [Firmware Bug]: No firmware reserved region can cover this RMRR [0x000000008d800000-0x000000008fffffff], contact BIOS vendor for fixes мар 15 08:34:27 server kernel: ------------[ cut here ]------------ мар 15 08:34:27 server kernel: Your BIOS is broken; bad RMRR [0x000000008d800000-0x000000008fffffff] BIOS vendor: American Megatrends Inc.; Ver: P7.00; Product Version: To Be Filled By O.E.M. мар 15 08:34:27 server kernel: WARNING: CPU: 0 PID: 0 at drivers/iommu/intel-iommu.c:4333 dmar_parse_one_rmrr+0x7d/0x10d мар 15 08:34:27 server kernel: Modules linked in: мар 15 08:34:27 server kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.9-arch1-2 #1 мар 15 08:34:27 server kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H110M-ITX, BIOS P7.00 10/27/2016 мар 15 08:34:27 server kernel: RIP: 0010:dmar_parse_one_rmrr+0x7d/0x10d мар 15 08:34:27 server kernel: Code: bf 01 00 00 00 48 89 c5 e8 09 e3 db fe 48 8b 53 10 48 8b 73 08 4d 89 e1 48 89 c1 49 89 e8 48 c7 c7 98 ba 17 97 e8 5e 03 70 fe <0f> 0b 48 8b 3d 13 a> мар 15 08:34:27 server kernel: RSP: 0000:ffffffff97403e08 EFLAGS: 00010286 мар 15 08:34:27 server kernel: RAX: 0000000000000000 RBX: ffffa0618000d148 RCX: 0000000000000000 мар 15 08:34:27 server kernel: RDX: 0000000000000002 RSI: 0000000000000086 RDI: 00000000ffffffff мар 15 08:34:27 server kernel: RBP: ffffffff97e0001c R08: 00000000000000fb R09: 0000000000000004 мар 15 08:34:27 server kernel: R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff97e00060 мар 15 08:34:27 server kernel: R13: ffffffff97403e58 R14: 000000007f0424a8 R15: 0000000000000001 мар 15 08:34:27 server kernel: FS: 0000000000000000(0000) GS:ffff9aeb26c00000(0000) knlGS:0000000000000000 мар 15 08:34:27 server kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 мар 15 08:34:27 server kernel: CR2: ffff9aea20c01000 CR3: 000000016020a001 CR4: 00000000000606b0 мар 15 08:34:27 server kernel: Call Trace: мар 15 08:34:27 server kernel: dmar_walk_remapping_entries+0x76/0x120 мар 15 08:34:27 server kernel: dmar_table_init+0xce/0x15e мар 15 08:34:27 server kernel: ? dmar_free_dev_scope+0x70/0x70 мар 15 08:34:27 server kernel: ? intel_iommu_setup+0x20b/0x20b мар 15 08:34:27 server kernel: ? iommu_resume+0x1b0/0x1b0 мар 15 08:34:27 server kernel: ? amd_iommu_bind_pasid+0x200/0x200 мар 15 08:34:27 server kernel: ? amd_iommu_v2_init+0x6d/0x6d мар 15 08:34:27 server kernel: intel_prepare_irq_remapping+0x3d/0x227 мар 15 08:34:27 server kernel: irq_remapping_prepare+0x1d/0x5f мар 15 08:34:27 server kernel: enable_IR_x2apic+0x21/0x188 мар 15 08:34:27 server kernel: default_setup_apic_routing+0x12/0x6f мар 15 08:34:27 server kernel: apic_intr_mode_init+0xc9/0xec мар 15 08:34:27 server kernel: x86_late_time_init+0x20/0x25 мар 15 08:34:27 server kernel: start_kernel+0x4cd/0x586 мар 15 08:34:27 server kernel: secondary_startup_64+0xb6/0xc0 мар 15 08:34:27 server kernel: ---[ end trace c02d5e3ae1b9fb7d ]--- мар 15 08:34:27 server kernel: DMAR-IR: IOAPIC id 2 under DRHD base 0xfed91000 IOMMU 1 мар 15 08:34:27 server kernel: DMAR-IR: HPET id 0 under DRHD base 0xfed91000 мар 15 08:34:27 server kernel: DMAR-IR: x2apic is disabled because BIOS sets x2apic opt out bit. мар 15 08:34:27 server kernel: DMAR-IR: Use 'intremap=no_x2apic_optout' to override the BIOS setting. мар 15 08:34:27 server kernel: DMAR-IR: Enabled IRQ remapping in xapic mode |