Hello list, after applying the latest patches from the bcache branch on top of kernel 3.10. I get the following backtrace while booting my system. BUG: unable to handle kernel NULL pointer dereference at 00000000000000a0 IP: [<ffffffffa00fbe07>] bcache_dev_sectors_dirty_add+0x17/0x90 [bcache] PGD c44e83067 PUD c45480067 PMD 0 SMP usb 2-1: new high-speed USB device number 2 using ehci-pci Modules linked in: bcache sd_mod ahci ehci_pci libahci ehci_hcd isci(+) libsas usbcore igb usb_common scsi_transport_ sas i2c_algo_bit i2c_core ptp pps_core ixgbe(O+) CPU: 1 PID: 381 Comm: bcache-register Tainted: G O 3.10.0+2-ph #1 Hardware name: Supermicro X9SRE/X9SRE-3F/X9SRi/X9SRi-3F/X9SRE/X9SRE-3F/X9SRi/X9SRi-3F, BIOS 2.0a 04/19/2013 task: ffff880c476bcaa0 ti: ffff880c44544000 task.ti: ffff880c44544000 RIP: 0010:[<ffffffffa00fbe07>] [<ffffffffa00fbe07>] bcache_dev_sectors_dirty_add+0x17/0x90 [bcache] RSP: 0018:ffff880c44545850 EFLAGS: 00010246 RAX: 00000000fffffff8 RBX: ffff880c437464d0 RCX: ffff880c43ef0000 RDX: 000000001d1c1810 RSI: 0000000000000001 RDI: ffff880c43ee0000 RBP: ffff880c44545858 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff880c44545c70 R13: ffff880c44545c08 R14: ffff880c43aa9000 R15: ffff880c44545968 FS: 00007f545ab31700(0000) GS:ffff880c7fc20000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000a0 CR3: 0000000c457bf000 CR4: 00000000000407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Stack: ffff880c437464d0 ffff880c44545948 ffffffffa00f204d 0000000000000013 ffff880c445459c0 0000000000000010 ffff880c44545968 0000000000000008 0000000000000001 0000000000000001 8000000000000001 0000000000000008 Call Trace: [<ffffffffa00f204d>] fix_overlapping_extents+0x2ed/0x620 [bcache] [<ffffffffa00f6f47>] ? __bch_bset_search+0xa7/0x260 [bcache] [<ffffffffa00f7cff>] ? __bch_btree_iter_init+0x7f/0xd0 [bcache] [<ffffffffa00f2464>] btree_insert_key+0xe4/0x410 [bcache] [<ffffffffa00f2a37>] bch_btree_insert_keys+0xc7/0xf0 [bcache] [<ffffffffa00f545f>] bch_btree_insert_recurse+0xbf/0x530 [bcache] [<ffffffffa00f5a19>] bch_btree_insert+0x149/0x320 [bcache] [<ffffffffa00fb1fd>] bch_journal_replay+0x15d/0x2a0 [bcache] [<ffffffffa01057d9>] run_cache_set+0x2e9/0x5e0 [bcache] [<ffffffffa01061cf>] register_cache_set+0x20f/0x2d0 [bcache] [<ffffffffa0103a61>] ? cache_alloc+0x4e1/0x500 [bcache] [<ffffffffa0106377>] register_cache+0xe7/0x190 [bcache] [<ffffffffa010660e>] register_bcache+0x1ee/0x320 [bcache] [<ffffffff8129e717>] kobj_attr_store+0x17/0x20 [<ffffffff811af36d>] sysfs_write_file+0xdd/0x160 [<ffffffff8114039f>] vfs_write+0xdf/0x1a0 [<ffffffff811408ea>] SyS_write+0x5a/0xa0 [<ffffffff81525e52>] system_call_fastpath+0x16/0x1b Code: 00 00 00 00 b8 01 00 00 00 c9 c3 66 0f 1f 84 00 00 00 00 00 55 89 c8 89 f6 48 89 e5 53 48 8b 8f c8 0c 00 00 4c 8b 04 f1 4d 85 c0 <41> 8b 88 a0 00 00 00 74 60 85 c0 74 5c bf 01 00 00 00 d3 e7 8d RIP [<ffffffffa00fbe07>] bcache_dev_sectors_dirty_add+0x17/0x90 [bcache] RSP <ffff880c44545850> CR2: 00000000000000a0 ---[ end trace 052fb8ed913f5457 ]--- Greets, Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
