guillcdv
Bonjour,
en fouillant dans mon DMESG j'ai trouvé ceci que je ne sais pas traiter.
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] WARNING: CPU: 0 PID: 0 at drivers/iommu/dmar.c:488 warn_invalid_dmar+0x7e/0x90()
[ 0.000000] Your BIOS is broken; DMAR reported at address 0!
BIOS vendor: American Megatrends Inc.; Ver: F5; Product Version: To be filled by O.E.M.
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-300.fc20.x86_64 #1
[ 0.000000] Hardware name: Gigabyte Technology Co., Ltd. G1.Sniper B5/G1.Sniper B5-CF, BIOS F5 08/03/2013
[ 0.000000] 000000000000000b ffffffff81c01df0 ffffffff81667a8b ffffffff81c01e38
[ 0.000000] ffffffff81c01e28 ffffffff8106921d ffffffff8201901c ffffffff8201905c
[ 0.000000] 0000000000000000 ffff88013e5c65c0 ffffffff81e7c000 ffffffff81c01e88
[ 0.000000] Call Trace:
[ 0.000000] [<ffffffff81667a8b>] dump_stack+0x45/0x56
[ 0.000000] [<ffffffff8106921d>] warn_slowpath_common+0x7d/0xa0
[ 0.000000] [<ffffffff810692d4>] warn_slowpath_fmt_taint+0x44/0x50
[ 0.000000] [<ffffffff81d35ca0>] ? early_ioremap+0x13/0x15
[ 0.000000] [<ffffffff81d2d2b3>] ? __acpi_map_table+0x13/0x18
[ 0.000000] [<ffffffff815429be>] warn_invalid_dmar+0x7e/0x90
[ 0.000000] [<ffffffff81d6d0a6>] check_zero_address+0x68/0xf4
[ 0.000000] [<ffffffff81d6d147>] detect_intel_iommu+0x15/0xae
[ 0.000000] [<ffffffff81d27154>] pci_iommu_alloc+0x4a/0x6c
[ 0.000000] [<ffffffff81d356d7>] mem_init+0xf/0x8d
[ 0.000000] [<ffffffff81d1dccb>] start_kernel+0x1de/0x415
[ 0.000000] [<ffffffff81d1d8f6>] ? repair_env_string+0x5c/0x5c
[ 0.000000] [<ffffffff81d1d120>] ? early_idt_handlers+0x120/0x120
[ 0.000000] [<ffffffff81d1d5de>] x86_64_start_reservations+0x2a/0x2c
[ 0.000000] [<ffffffff81d1d6e8>] x86_64_start_kernel+0x108/0x117
[ 0.000000] ---[ end trace 705eb976078a5756 ]---
Il arrive aussi qu'un shutdown se transforme en reboot, probablement pour la même cause.
Et je pense que le suspend to disk qui plante au réveil vient de là aussi.
Que faire sachant que cette machine est LINUX only ?
D'avance merci pour toute idée.
