https://bugzilla.kernel.org/show_bug.cgi?id=91711 Bug ID: 91711 Summary: 3w-9xxx: DMA-API: device driver tries to free DMA memory it has not allocated Product: IO/Storage Version: 2.5 Kernel Version: 3.18.3 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: SCSI Assignee: linux-scsi@xxxxxxxxxxxxxxx Reporter: admin@xxxxxxxxxxxx Regression: No 3w-9xxx 0000:03:03.0: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0x0000000000000000] [size=0 bytes] can cause randomly a kernel panic... here is the bug trace [10205.263190] ------------[ cut here ]------------ [10205.271182] WARNING: CPU: 3 PID: 0 at lib/dma-debug.c:1080 check_unmap+0x8ea/0x9e0() [10205.273087] 3w-9xxx 0000:03:03.0: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0x0000000000000000] [size=0 bytes] [10205.273087] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache nfnetlink_queue nfnetlink_log nfnetlink tun bridge stp llc bonding ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat iptable_mangle ts_kmp xt_limit nf_conntrack_ipv4 nf_defrag_ipv4 ip6t_REJECT nf_reject_ipv6 xt_hashlimit nf_conntrack_ipv6 nf_defrag_ipv6 xt_string xt_multiport xt_conntrack nf_conntrack ip6table_filter ip6_tables iTCO_wdt ppdev iTCO_vendor_support lpc_ich mfd_core serio_raw pcspkr e752x_edac parport_pc i2c_i801 edac_core parport shpchp nfsd auth_rpcgss nfs_acl lockd grace sunrpc ata_generic pata_acpi tg3 e1000 3w_9xxx [10205.273087] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.18.3 #1 [10205.273087] Hardware name: Supermicro X6DH8/X6DH8, BIOS 6.00 08/16/2007 [10205.273087] 0000000000000000 fa5e96fc2665aa72 ffff88022fd83b68 ffffffff817a573e [10205.273087] 0000000000000000 ffff88022fd83bc0 ffff88022fd83ba8 ffffffff81093601 [10205.273087] ffff88022fd83ba8 ffff880223d47a60 ffff88022fd83cb8 0000000000000000 [10205.273087] Call Trace: [10205.273087] <IRQ> [<ffffffff817a573e>] dump_stack+0x4f/0x7c [10205.273087] [<ffffffff81093601>] warn_slowpath_common+0x81/0xa0 [10205.273087] [<ffffffff81093675>] warn_slowpath_fmt+0x55/0x70 [10205.273087] [<ffffffff813c68db>] ? debug_dma_mapping_error+0x7b/0x90 [10205.273087] [<ffffffff813c8a9a>] check_unmap+0x8ea/0x9e0 [10205.273087] [<ffffffff817ac021>] ? _raw_spin_unlock_irqrestore+0x21/0x40 [10205.273087] [<ffffffff813c8d45>] debug_dma_unmap_sg+0x75/0x150 [10205.273087] [<ffffffff814f73d3>] scsi_dma_unmap+0x73/0xc0 [10205.273087] [<ffffffffa00016a5>] twa_interrupt+0x585/0x770 [3w_9xxx] [10205.273087] [<ffffffff810fea9b>] ? __hrtimer_start_range_ns+0x1eb/0x480 [10205.273087] [<ffffffff810eba7e>] handle_irq_event_percpu+0x3e/0x1f0 [10205.273087] [<ffffffff810ebc71>] handle_irq_event+0x41/0x70 [10205.273087] [<ffffffff810eecc3>] handle_fasteoi_irq+0xc3/0x170 [10205.273087] [<ffffffff81018752>] handle_irq+0xb2/0x1a0 [10205.273087] [<ffffffff810b42ce>] ? atomic_notifier_call_chain+0x3e/0x50 [10205.273087] [<ffffffff817af86d>] do_IRQ+0x5d/0x100 [10205.273087] [<ffffffff817ad6ed>] common_interrupt+0x6d/0x6d [10205.273087] <EOI> [<ffffffff8110e6b0>] ? tick_nohz_stop_sched_tick+0x2b0/0x300 [10205.273087] [<ffffffff8105aae6>] ? native_safe_halt+0x6/0x10 [10205.273087] [<ffffffff813b6137>] ? debug_smp_processor_id+0x17/0x20 [10205.273087] [<ffffffff810212cb>] default_idle+0x1b/0xf0 [10205.273087] [<ffffffff81021dcf>] arch_cpu_idle+0xf/0x20 [10205.273087] [<ffffffff810d6d26>] cpu_startup_entry+0x456/0x510 [10205.273087] [<ffffffff817ac021>] ? _raw_spin_unlock_irqrestore+0x21/0x40 [10205.273087] [<ffffffff8110b44c>] ? clockevents_register_device+0xbc/0x130 [10205.273087] [<ffffffff81049281>] start_secondary+0x1b1/0x200 [10205.273087] ---[ end trace f8b7f072834e5aba ]--- -- You are receiving this mail because: You are the assignee for the bug. -- 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
