On 15/10/11 13:43, Brad Campbell wrote:
I'm trying bcache merged with linus' git head (-rc9). I suppose I should really try it with a
vanilla bcache-dev tree.
Anyway, I can register the cache and backing device but when I try and attach the cache set to the
backing device this happens :
Ok, so the build was broken in some odd way. Turns out the latest git does not build unless you have
cgroups enabled (which by default I don't).
This came from the same scenario using a vanilla bcache git clone..
[ 162.412296] bio: create slab <bio-2> at 2
[ 162.441711] bcache: journal entries 3-4 missing! (replaying 2-4)
[ 162.441805] bcache: journal replay done, 0 keys in 2 entries, seq 2-4
[ 181.955480] md: resync of RAID array md10
[ 181.955526] ------------[ cut here ]------------
[ 181.955533] kernel BUG at drivers/scsi/scsi_lib.c:1152!
[ 181.955539] invalid opcode: 0000 [#1] SMP
[ 181.955546] CPU 1
[ 181.955549] Modules linked in: nfs ipt_MASQUERADE xt_tcpudp iptable_filter iptable_nat nf_nat
nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables deflate zlib_deflate des_generic
cbc ecb crypto_blkcipher sha1_generic md5 hmac crypto_hash cryptomgr aead crypto_algapi af_key fuse
w83627ehf hwmon_vid netconsole configfs vhost_net powernow_k8 mperf kvm_amd kvm xhci_hcd i2c_piix4
k10temp ohci_hcd ehci_hcd usbcore ahci libahci atl1c megaraid_sas [last unloaded: scsi_wait_scan]
[ 181.955600]
[ 181.955606] Pid: 1422, comm: md10_raid10 Not tainted 3.1.0-rc9-00152-g3900b5a-dirty #6 To Be
Filled By O.E.M. To Be Filled By O.E.M./890GX Extreme4 R2.0
[ 181.955616] RIP: 0010:[<ffffffff812ad4ee>] [<ffffffff812ad4ee>] scsi_setup_fs_cmnd+0xae/0xf0
[ 181.955631] RSP: 0018:ffff88041bfdbbe0 EFLAGS: 00010046
[ 181.955636] RAX: 0000000000000000 RBX: ffff88041c4d3830 RCX: 0000000000001000
[ 181.955641] RDX: 0000000000000000 RSI: ffff88041c4d3830 RDI: ffff88041c754800
[ 181.955645] RBP: ffff88041c754800 R08: 0000000000000000 R09: 0000000000000001
[ 181.955650] R10: 4080000000000000 R11: 0000000000000000 R12: ffff88041c754800
[ 181.955654] R13: 0000000000000808 R14: ffff88041c754848 R15: ffff88041c3cbc00
[ 181.955661] FS: 00007fc823617700(0000) GS:ffff88042fc40000(0000) knlGS:0000000000000000
[ 181.955668] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 181.955672] CR2: ffffffffff600400 CR3: 00000003ffe02000 CR4: 00000000000006e0
[ 181.955677] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 181.955681] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 181.955687] Process md10_raid10 (pid: 1422, threadinfo ffff88041bfda000, task ffff88041c1bcb00)
[ 181.955691] Stack:
[ 181.955693] 0000000000000000 ffff88041c4d3830 ffff88041bd83c30 ffffffff812b7fec
[ 181.955701] 01ff88041c755000 ffff880400000001 ffff880400001000 0000000000000000
[ 181.955707] ffff88041c4d3830 ffff88041c4d3830 ffff88041c4d3830 ffff88041bd83c30
[ 181.955714] Call Trace:
[ 181.955723] [<ffffffff812b7fec>] ? sd_prep_fn+0x15c/0xa50
[ 181.955732] [<ffffffff811c8c04>] ? blk_peek_request+0xb4/0x1d0
[ 181.955739] [<ffffffff812aca10>] ? scsi_request_fn+0x50/0x4a0
[ 181.955747] [<ffffffff811c95b8>] ? blk_flush_plug_list+0x188/0x210
[ 181.955755] [<ffffffff811c964b>] ? blk_finish_plug+0xb/0x30
[ 181.955762] [<ffffffff812fa768>] ? raid10d+0x908/0xb50
[ 181.955770] [<ffffffff81041183>] ? lock_timer_base+0x33/0x70
[ 181.955779] [<ffffffff814082b5>] ? schedule_timeout+0x1c5/0x230
[ 181.955786] [<ffffffff8130e57f>] ? md_thread+0x10f/0x140
[ 181.955795] [<ffffffff81050260>] ? wake_up_bit+0x40/0x40
[ 181.955801] [<ffffffff8130e470>] ? md_register_thread+0x100/0x100
[ 181.955807] [<ffffffff8130e470>] ? md_register_thread+0x100/0x100
[ 181.955814] [<ffffffff8104fe06>] ? kthread+0x96/0xa0
[ 181.955821] [<ffffffff8140b4f4>] ? kernel_thread_helper+0x4/0x10
[ 181.955829] [<ffffffff8104fd70>] ? kthread_worker_fn+0x120/0x120
[ 181.955836] [<ffffffff8140b4f0>] ? gs_change+0xb/0xb
[ 181.955839] Code: 80 00 00 00 00 48 83 c4 08 5b 5d c3 90 48 89 ef be 20 00 00 00 e8 73 a2 ff ff
48 85 c0 48 89 c7 74 d7 48 89 83 d8 00 00 00 eb 8d <0f> 0b eb fe 48 8b 00 48 85 c0 0f 84 67 ff ff ff
48 8b 40 50 48
[ 181.955879] RIP [<ffffffff812ad4ee>] scsi_setup_fs_cmnd+0xae/0xf0
[ 181.955887] RSP <ffff88041bfdbbe0>
[ 181.955892] ---[ end trace 56499f30ff553488 ]---
[ 181.955896] Kernel panic - not syncing: Fatal exception
[ 181.955902] Pid: 1422, comm: md10_raid10 Tainted: G D 3.1.0-rc9-00152-g3900b5a-dirty #6
[ 181.955906] Call Trace:
[ 181.955913] [<ffffffff81406f69>] ? panic+0x92/0x193
[ 181.955920] [<ffffffff81035451>] ? kmsg_dump+0x41/0xf0
[ 181.955929] [<ffffffff8100504d>] ? oops_end+0x8d/0xa0
[ 181.955936] [<ffffffff81002e34>] ? do_invalid_op+0x84/0xa0
[ 181.955943] [<ffffffff812ad4ee>] ? scsi_setup_fs_cmnd+0xae/0xf0
[ 181.955952] [<ffffffff811d69ae>] ? cfq_set_request+0x15e/0x3b0
[ 181.955958] [<ffffffff8140b375>] ? invalid_op+0x15/0x20
[ 181.955966] [<ffffffff812ad4ee>] ? scsi_setup_fs_cmnd+0xae/0xf0
[ 181.955972] [<ffffffff812b7fec>] ? sd_prep_fn+0x15c/0xa50
[ 181.955979] [<ffffffff811c8c04>] ? blk_peek_request+0xb4/0x1d0
[ 181.955986] [<ffffffff812aca10>] ? scsi_request_fn+0x50/0x4a0
[ 181.955993] [<ffffffff811c95b8>] ? blk_flush_plug_list+0x188/0x210
[ 181.956001] [<ffffffff811c964b>] ? blk_finish_plug+0xb/0x30
[ 181.956007] [<ffffffff812fa768>] ? raid10d+0x908/0xb50
[ 181.956013] [<ffffffff81041183>] ? lock_timer_base+0x33/0x70
[ 181.956021] [<ffffffff814082b5>] ? schedule_timeout+0x1c5/0x230
[ 181.956028] [<ffffffff8130e57f>] ? md_thread+0x10f/0x140
[ 181.956035] [<ffffffff81050260>] ? wake_up_bit+0x40/0x40
[ 181.956041] [<ffffffff8130e470>] ? md_register_thread+0x100/0x100
[ 181.956047] [<ffffffff8130e470>] ? md_register_thread+0x100/0x100
[ 181.956054] [<ffffffff8104fe06>] ? kthread+0x96/0xa0
[ 181.956060] [<ffffffff8140b4f4>] ? kernel_thread_helper+0x4/0x10
[ 181.956068] [<ffffffff8104fd70>] ? kthread_worker_fn+0x120/0x120
[ 181.956075] [<ffffffff8140b4f0>] ? gs_change+0xb/0xb
[ 181.958475] Rebooting in 10 seconds..
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