Hi, I'm using 3x SuperMicro AOC-SASLP-MV8 controllers using the marvell 6480 Chipset. I'm running vanilla kernel 2.6.32 (including the recent patches by Andy Yan, except patch 7) When I use 3 controllers in one machine I get the following kernel panic during boot: [ 136.816010] BUG: unable to handle kernel NULL pointer dereference at 0000000000000118 [ 136.816010] IP: [<ffffffffa0111eb1>] mvs_int_port+0x1d3/0x4ef [mvsas] [ 136.816010] PGD 1264e2067 PUD 1264c7067 PMD 0 [ 136.816010] Oops: 0000 [#1] SMP [ 136.816010] last sysfs file: /sys/devices/platform/coretemp.3/temp1_input [ 136.816010] CPU 3 [ 136.816010] Modules linked in: iscsi_trgt crc32c nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs coretemp w83627hf w83793 hwmon_vid loop netconsole configfs snd_pcm snd_timer evdev snd soundcore snd_page_alloc i2c_i801 i2c_core pcspkr rng_core ioatdma ehci_hcd uhci_hcd i5k_amb i5400_edac edac_core container shpchp pci_hotplug button processor dm_mirror dm_region_hash dm_log dm_snapshot dm_mod raid456 async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx raid10 md_mod thermal fan thermal_sys mvsas libsas scsi_transport_sas sata_mv e1000e igb dca ext3 jbd mbcache sd_mod crc_t10dif ata_piix libata scsi_mod [ 136.816010] Pid: 0, comm: swapper Not tainted 2.6.32 #1 X7DWU [ 136.816010] RIP: 0010:[<ffffffffa0111eb1>] [<ffffffffa0111eb1>] mvs_int_port+0x1d3/0x4ef [mvsas] [ 136.816010] RSP: 0018:ffff880028383e58 EFLAGS: 00010246 [ 136.816010] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88012fb9de98 [ 136.816010] RDX: 0000000000000873 RSI: ffffffffa0117ccd RDI: ffffffffa0117fab [ 136.816010] RBP: ffff88012c500000 R08: 0000000000000000 R09: ffffffff810531c2 [ 136.816010] R10: 0000000000000092 R11: ffffffff81184689 R12: ffff88012c5008b8 [ 136.816010] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000003 [ 136.816010] FS: 0000000000000000(0000) GS:ffff880028380000(0000) knlGS:0000000000000000 [ 136.816010] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b [ 136.816010] CR2: 0000000000000118 CR3: 00000001264db000 CR4: 00000000000406e0 [ 136.816010] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 136.816010] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 136.816010] Process swapper (pid: 0, threadinfo ffff88012fb8c000, task ffff88012fb6c780) [ 136.816010] Stack: [ 136.816010] ffffffff81059a12 0000000000000003 ffff88012c500000 0000000000000800 [ 136.816010] <0> ffffc90002360150 0000000000000001 0000000000000000 ffffffffa0114863 [ 136.816010] <0> ffff88012fb65020 ffff88012c500000 0000000000000001 ffff88012c500008 [ 136.816010] Call Trace: [ 136.816010] <IRQ> [ 136.816010] [<ffffffff81059a12>] ? run_timer_softirq+0x222/0x268 [ 136.816010] [<ffffffffa0114863>] ? mvs_int_full+0x42/0x88 [mvsas] [ 136.816010] [<ffffffffa01148da>] ? mvs_64xx_isr+0x31/0x40 [mvsas] [ 136.816010] [<ffffffffa01100da>] ? mvs_interrupt+0x61/0x78 [mvsas] [ 136.816010] [<ffffffff81092554>] ? handle_IRQ_event+0x58/0x126 [ 136.816010] [<ffffffff81093e26>] ? handle_fasteoi_irq+0x7d/0xb5 [ 136.816010] [<ffffffff81013817>] ? handle_irq+0x17/0x1d [ 136.816010] [<ffffffff81012e71>] ? do_IRQ+0x57/0xb6 [ 136.816010] [<ffffffff81011393>] ? ret_from_intr+0x0/0x11 [ 136.816010] <EOI> [ 136.816010] [<ffffffff81017cdd>] ? mwait_idle+0x72/0x7d [ 136.816010] [<ffffffff81017c8d>] ? mwait_idle+0x22/0x7d [ 136.816010] [<ffffffff8100fdf3>] ? cpu_idle+0x59/0x91 [ 136.816010] Code: a0 00 00 00 ba 73 08 00 00 48 c7 c6 cd 7c 11 a0 48 c7 c7 ab 7f 11 a0 44 8b 40 04 49 8b 84 24 b8 02 00 00 44 0f af 85 40 24 00 00 <8b> 88 18 01 00 00 31 c0 47 8d 44 05 00 e8 fc f6 1d e1 41 83 e6 [ 136.816010] RIP [<ffffffffa0111eb1>] mvs_int_port+0x1d3/0x4ef [mvsas] [ 136.816010] RSP <ffff880028383e58> [ 136.816010] CR2: 0000000000000118 [ 136.816010] ---[ end trace b9a85c9adff5d27d ]--- [ 136.816010] Kernel panic - not syncing: Fatal exception in interrupt [ 136.816010] Pid: 0, comm: swapper Tainted: G D 2.6.32 #1 [ 136.816010] Call Trace: [ 136.816010] <IRQ> [<ffffffff812f1504>] ? panic+0x86/0x141 [ 136.816010] [<ffffffff81011393>] ? ret_from_intr+0x0/0x11 [ 136.816010] [<ffffffff810148e7>] ? oops_end+0x64/0xb4 [ 136.816010] [<ffffffff8101492a>] ? oops_end+0xa7/0xb4 [ 136.816010] [<ffffffff81032204>] ? no_context+0x1e9/0x1f8 [ 136.816010] [<ffffffff810323b9>] ? __bad_area_nosemaphore+0x1a6/0x1ca [ 136.816010] [<ffffffff81041875>] ? enqueue_task_fair+0x24/0x69 [ 136.816010] [<ffffffff8103a29b>] ? enqueue_task+0x5c/0x65 [ 136.816010] [<ffffffff8103a38b>] ? activate_task+0x20/0x26 [ 136.816010] [<ffffffff81049d8c>] ? try_to_wake_up+0x1fb/0x20a [ 136.816010] [<ffffffff810531c2>] ? irq_exit+0x48/0x76 [ 136.816010] [<ffffffff812f3635>] ? page_fault+0x25/0x30 [ 136.816010] [<ffffffff81184689>] ? delay_tsc+0x0/0x73 [ 136.816010] [<ffffffff810531c2>] ? irq_exit+0x48/0x76 [ 136.816010] [<ffffffffa0111eb1>] ? mvs_int_port+0x1d3/0x4ef [mvsas] [ 136.816010] [<ffffffffa0111e7d>] ? mvs_int_port+0x19f/0x4ef [mvsas] [ 136.816010] [<ffffffff81059a12>] ? run_timer_softirq+0x222/0x268 [ 136.816010] [<ffffffffa0114863>] ? mvs_int_full+0x42/0x88 [mvsas] [ 136.816010] [<ffffffffa01148da>] ? mvs_64xx_isr+0x31/0x40 [mvsas] [ 136.816010] [<ffffffffa01100da>] ? mvs_interrupt+0x61/0x78 [mvsas] [ 136.816010] [<ffffffff81092554>] ? handle_IRQ_event+0x58/0x126 [ 136.816010] [<ffffffff81093e26>] ? handle_fasteoi_irq+0x7d/0xb5 [ 136.816010] [<ffffffff81013817>] ? handle_irq+0x17/0x1d [ 136.816010] [<ffffffff81012e71>] ? do_IRQ+0x57/0xb6 [ 136.816010] [<ffffffff81011393>] ? ret_from_intr+0x0/0x11 [ 136.816010] <EOI> [<ffffffff81017cdd>] ? mwait_idle+0x72/0x7d [ 136.816010] [<ffffffff81017c8d>] ? mwait_idle+0x22/0x7d [ 136.816010] [<ffffffff8100fdf3>] ? cpu_idle+0x59/0x91 When booting with 3 controllers and having NO disks in the third controller works and doesn't give a kernel panic at boot, but hotplugging a disk after boot triggers the same kernel panic. The funny thing is that the third controller also ISN"T seen by the BIOS, I used an official Marvell driver before and the third controller worked (unstable, but it worked). Kind regards, Caspar Smit -- 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
