On Thu, Jul 04, 2013 at 01:45:42PM +0200, Stefan Priebe - Profihost AG wrote: > fix is this one: http://pastebin.com/raw.php?i=LBFJRvEt Oh I see, the patch that introduced this is an old version of the patch - the bcache-for-3.11 had this fixed, and I forgot to update that branch. Thanks, I'll apply it there. > > Am 04.07.2013 11:39, schrieb Stefan Priebe - Profihost AG: > > 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 -- 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