2015.Szeptember 27.(V) 23:19 időpontban adam radford ezt írta: > On Sun, Sep 27, 2015 at 4:56 AM, "Tóth Attila" <atoth@xxxxxxxxxxxxx> > wrote: >> Here is a current trace I see after booting that kernel: >> ------------[ cut here ]------------ >> WARNING: CPU: 0 PID: 1 at drivers/iommu/intel-iommu.c:3214 >> intel_unmap+0x186/0x1f0() >> Driver unmaps unmatched page at PFN 0 >> Modules linked in: >> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.1.7-hardened-r1 #2 >> Hardware name: System manufacturer System Product Name/Z8P(N)E-D12(X), >> BIOS 1302 06/25/2012 >> ffffffffab40bd6b 0000000000000000 0000000000000000 ffffffffab21608f >> ffff880237c03ca8 ffffffffa4ed0fa6 00000000000015d2 ffff880237c03d00 >> ffff880237c03ce8 ffffffffa40ad9a0 0000000000000000 ffffffffab21608f >> Call Trace: >> <IRQ> [<ffffffffa4ed0fa6>] dump_stack+0x45/0x5d >> [<ffffffffa40ad9a0>] warn_slowpath_common+0x80/0xc0 >> [<ffffffffa40ada44>] warn_slowpath_fmt+0x64/0x90 >> [<ffffffffa46de866>] intel_unmap+0x186/0x1f0 >> [<ffffffffa46de8ea>] intel_unmap_sg+0x1a/0x30 >> [<ffffffffa475ef13>] scsi_dma_unmap+0x73/0x90 >> [<ffffffffa47b8683>] twa_interrupt+0x493/0x780 >> [<ffffffffa4100f7a>] handle_irq_event_percpu+0x7a/0x130 >> [<ffffffffa4101069>] handle_irq_event+0x39/0x60 >> [<ffffffffa4104469>] handle_fasteoi_irq+0x89/0x1a0 >> [<ffffffffa4005715>] handle_irq+0x85/0x160 >> [<ffffffffa4004f6c>] do_IRQ+0x4c/0x100 >> [<ffffffffa4edd557>] common_interrupt+0x97/0x97 >> <EOI> [<ffffffffa403d1cc>] ? >> default_send_IPI_mask_allbutself_phys+0xbc/0x100 >> [<ffffffffa4042e79>] physflat_send_IPI_allbutself+0x19/0x30 >> [<ffffffffa40385d8>] native_send_call_func_ipi+0x108/0x140 >> [<ffffffffa4125c10>] ? proc_dma_show+0x70/0x70 >> [<ffffffffa41264f4>] smp_call_function_many+0x1c4/0x270 >> [<ffffffffa4126671>] kick_all_cpus_sync+0x21/0x30 >> [<ffffffffa41bb546>] __do_tune_cpucache+0x56/0x4d0 >> [<ffffffffa458f4b7>] ? string.isra.3+0x47/0x100 >> [<ffffffffa41bb9f7>] do_tune_cpucache+0x37/0xb0 >> [<ffffffffa41bbad5>] enable_cpucache+0x65/0x130 >> [<ffffffffa4ec5c13>] setup_cpu_cache+0x173/0x270 >> [<ffffffffa41bc2c2>] __kmem_cache_create+0x262/0x360 >> [<ffffffffa418a5c2>] do_kmem_cache_create+0x92/0x1d0 >> [<ffffffffa418a81e>] kmem_cache_create+0x11e/0x1d0 >> [<ffffffffafc4c3d0>] ? twa_init+0x36/0x36 >> [<ffffffffafc4c4a7>] init_sd+0xd7/0x198 >> [<ffffffffa4000384>] do_one_initcall+0x94/0x1a0 >> [<ffffffffafc15285>] kernel_init_freeable+0x183/0x22f >> [<ffffffffa4ec44f0>] ? rest_init+0x80/0x80 >> [<ffffffffa4ec44f9>] kernel_init+0x9/0xf0 >> [<ffffffffa4edcdfe>] ret_from_fork+0x3e/0x70 >> [<ffffffffa4ec44f0>] ? rest_init+0x80/0x80 >> ---[ end trace a39a5826ea41aa47 ]--- >> >> The 3ware card is a 9650SE-12ML running in a Asus Z8PE-D12X motherboard. >> > > Can you re-try with Christoph's patch: > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=118c855b5623f3e2e6204f02623d88c09e0c34de As I've told this patch has been already included in the kernel I'm using (4.1.7-hardened-r1, which is based on 4.1.7). Out of curiosity I've reverted the patch and the WARNING no longer appears during boot... Thx: Dw. -- dr Tóth Attila, Radiológus, 06-20-825-8057 Attila Toth MD, Radiologist, +36-20-825-8057 > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html