>From kern.log Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] WARNING: at /build/buildd/linux-2.6.38/drivers/pci/dmar.c:634 warn_invalid_dmar+0x8f/0xa0() Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] Hardware name: Aspire 1410 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] Your BIOS is broken; DMAR reported at address 0! Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] BIOS vendor: INSYDE; Ver: v0.3115; Product Version: v0.3115 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] Modules linked in: Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.38-8-generic #41-Ubuntu Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] Call Trace: Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81065cef>] ? warn_slowpath_common+0x7f/0xc0 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff815cd2fd>] ? _etext+0x0/0x3 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81065d8f>] ? warn_slowpath_fmt_taint+0x3f/0x50 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81ae0588>] ? early_ioremap+0x13/0x15 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81ad63c2>] ? __acpi_map_table+0x13/0x19 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81314d9f>] ? warn_invalid_dmar+0x8f/0xa0 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff8135950f>] ? acpi_tb_verify_checksum+0x16/0x4e Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81afaeef>] ? check_zero_address+0x5d/0x116 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81358c38>] ? acpi_get_table_with_size+0x58/0xba Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff815cd2fd>] ? _etext+0x0/0x3 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81afafc1>] ? detect_intel_iommu+0x19/0xb0 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81ad1eb0>] ? pci_iommu_alloc+0x47/0x72 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81adffd7>] ? mem_init+0x19/0xec Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81acaa97>] ? start_kernel+0x201/0x400 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81aca388>] ? x86_64_start_reservations+0x132/0x136 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81aca253>] ? zap_identity_mappings+0x3e/0x41 Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] [<ffffffff81aca458>] ? x86_64_start_kernel+0xcc/0xdb Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] ---[ end trace a7919e7f17c0a725 ]---
Apr 9 23:49:33 wgh-Aspire-1410 kernel: [ 0.000000] Your BIOS is broken; DMAR reported at address 0! Can you please reinstall or upgrde your BIOS. Thanks Fabio -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/755076 Title: ksoftirqd/0 using 100% CPU, HDD led is lit -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
