Have you tried the bcache (3.1 based) branch with the same setup? Did it occur there? On Fri, Jan 20, 2012 at 3:27 AM, Damien Churchill <damoxc@xxxxxxxxx> wrote: > Hi there, > > I'm receiving the following after attempting to register a cache > device, I've built the kernel using the Ubuntu Precise kernel with a > patch from bcache-3.2-dev applied to the tree. > > The cache device was created by running: > $ make-bcache -C -w 2k -b 1M /dev/sysvg/bcache-test > > The cache device is a logical volume, I'm unsure if that will have an impact? > > Regards, > Damien > > Jan 20 11:24:36 dev1 kernel: [ 119.025724] bio: create slab <bio-1> at 1 > Jan 20 11:24:36 dev1 kernel: [ 119.025902] bcache: invalidating existing data > Jan 20 11:24:36 dev1 kernel: [ 119.026324] ------------[ cut here ]------------ > Jan 20 11:24:36 dev1 kernel: [ 119.026341] kernel BUG at > /home/dchurchill/Packages/oneiric/linux/linux-3.2.0~bcache/include/linux/scatterlist.h:63! > Jan 20 11:24:36 dev1 kernel: [ 119.026367] invalid opcode: 0000 [#1] SMP > Jan 20 11:24:36 dev1 kernel: [ 119.026380] CPU 0 > Jan 20 11:24:36 dev1 kernel: [ 119.026385] Modules linked in: rfcomm > bnep bluetooth ip6table_filter ip6_tables ebtable_nat ebtables > ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 > xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp > iptable_filter ip_tables x_tables kvm_intel kvm parport_pc ppdev > snd_hda_codec_hdmi snd_hda_codec_realtek binfmt_misc bridge usbhid hid > psmouse snd_hda_intel stp snd_hda_codec snd_hwdep snd_pcm snd_seq_midi > eeepc_wmi asus_wmi sparse_keymap radeon ttm drm_kms_helper drm wmi > mac_hid serio_raw video snd_rawmidi snd_seq_midi_event mei(C) snd_seq > snd_timer snd_seq_device snd i2c_algo_bit soundcore dm_multipath > snd_page_alloc rbd libceph lp parport firewire_ohci firewire_core > crc_itu_t e1000e pata_marvell r8169 btrfs zlib_deflate libcrc32c > Jan 20 11:24:36 dev1 kernel: [ 119.026612] > Jan 20 11:24:36 dev1 kernel: [ 119.026617] Pid: 2420, comm: bash > Tainted: G C 3.2.0-9-generic #17~oneiric1 System > manufacturer System Product Name/P8H67-M EVO > Jan 20 11:24:36 dev1 kernel: [ 119.026649] RIP: > 0010:[<ffffffff812f3588>] [<ffffffff812f3588>] > blk_rq_map_sg+0x178/0x350 > Jan 20 11:24:36 dev1 kernel: [ 119.027607] RSP: 0018:ffff880420fbf7c8 > EFLAGS: 00010002 > Jan 20 11:24:36 dev1 kernel: [ 119.028564] RAX: 0000000000000000 RBX: > ffff8803fa608a20 RCX: 2700013524000135 > Jan 20 11:24:36 dev1 kernel: [ 119.029529] RDX: 0000000000000011 RSI: > 0000000027000135 RDI: ffff8803fa608a00 > Jan 20 11:24:36 dev1 kernel: [ 119.030492] RBP: ffff880420fbf828 R08: > 0000000000001000 R09: ffff880421862f00 > Jan 20 11:24:36 dev1 kernel: [ 119.031455] R10: 0000000000000001 R11: > 0000000000000001 R12: ffff8803fa60a510 > Jan 20 11:24:36 dev1 kernel: [ 119.032417] R13: 0000000027000135 R14: > ffff8803fa60a520 R15: 00000000000000d3 > Jan 20 11:24:36 dev1 kernel: [ 119.033385] FS: > 00007f5259391720(0000) GS:ffff88043f400000(0000) > knlGS:0000000000000000 > Jan 20 11:24:36 dev1 kernel: [ 119.034361] CS: 0010 DS: 0000 ES: > 0000 CR0: 000000008005003b > Jan 20 11:24:36 dev1 kernel: [ 119.035336] CR2: 00007f6d332e8000 CR3: > 0000000401c16000 CR4: 00000000000406f0 > Jan 20 11:24:36 dev1 kernel: [ 119.036310] DR0: 0000000000000000 DR1: > 0000000000000000 DR2: 0000000000000000 > Jan 20 11:24:36 dev1 kernel: [ 119.037287] DR3: 0000000000000000 DR6: > 00000000ffff0ff0 DR7: 0000000000000400 > Jan 20 11:24:36 dev1 kernel: [ 119.038266] Process bash (pid: 2420, > threadinfo ffff880420fbe000, task ffff880403b3dc40) > Jan 20 11:24:36 dev1 kernel: [ 119.039252] Stack: > Jan 20 11:24:36 dev1 kernel: [ 119.040220] 0000000000000011 > ffff880400fcd2b0 ffff8803fa608800 0100000000000001 > Jan 20 11:24:36 dev1 kernel: [ 119.041196] ffff8804213a3368 > ffff880421862f00 ffff880420fbf828 ffff8804209cb858 > Jan 20 11:24:36 dev1 kernel: [ 119.042171] ffff880400fcd2b0 > 0000000000000001 0000000000000020 ffff880424e96800 > Jan 20 11:24:36 dev1 kernel: [ 119.043130] Call Trace: > Jan 20 11:24:36 dev1 kernel: [ 119.044070] [<ffffffff81442521>] > scsi_init_sgtable+0x41/0x70 > Jan 20 11:24:36 dev1 kernel: [ 119.045036] [<ffffffff8144258d>] > scsi_init_io+0x3d/0x150 > Jan 20 11:24:36 dev1 kernel: [ 119.045983] [<ffffffff8144279a>] > scsi_setup_fs_cmnd.part.34+0x5a/0x90 > Jan 20 11:24:36 dev1 kernel: [ 119.046917] [<ffffffff814427ff>] > scsi_setup_fs_cmnd+0x2f/0x40 > Jan 20 11:24:36 dev1 kernel: [ 119.047837] [<ffffffff8145fb3f>] > sd_prep_fn+0xaf/0xaf0 > Jan 20 11:24:36 dev1 kernel: [ 119.048747] [<ffffffff813017f4>] ? > cfq_dispatch_request+0x64/0xa0 > Jan 20 11:24:36 dev1 kernel: [ 119.049654] [<ffffffff812eecda>] > blk_peek_request+0xba/0x240 > Jan 20 11:24:36 dev1 kernel: [ 119.050558] [<ffffffff81442cf8>] > scsi_request_fn+0x58/0x4c0 > Jan 20 11:24:36 dev1 kernel: [ 119.051461] [<ffffffff812e7c73>] ? > __elv_add_request+0x1b3/0x290 > Jan 20 11:24:36 dev1 kernel: [ 119.052361] [<ffffffff812ef590>] > blk_queue_bio+0x290/0x380 > Jan 20 11:24:36 dev1 kernel: [ 119.053262] [<ffffffff812ec114>] > generic_make_request.part.50+0x74/0xb0 > Jan 20 11:24:36 dev1 kernel: [ 119.054170] [<ffffffff812ec528>] > generic_make_request+0x68/0x70 > -- > 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