I sent off the pull request - after it hits mainline I'll make sure it goes into 3.13.x On Fri, Feb 7, 2014 at 12:44 PM, Jose Manuel dos Santos Calhariz <jose.calhariz@xxxxxxxxxxxxxxxxxx> wrote: > On 29-01-2014 00:54, Darrick J. Wong wrote: >> >> [adding Mr. Trinidade because he seems to have the same problem] >> >> I /think/ I have a patch to fix this bug -- the clamp on >> SET_GC_SECTORS_USED in >> the line before the BUG_ON seems partially ineffectual. I'm about to send >> everyone a patch; can you put that into a kernel and test it out? >> >> The "easiest" way I've found to reproduce this bug is to create a bcache, >> mkfs.ext4 it, run fsstress on the ext4 FS until the cache is full, then >> umount >> and re-run mkfs.ext4, which discards the device before formatting. >> Eventually >> it'll BUG(). > > It's to tell that your fix works for me. It's possible to push your fix into > kernel 3.13.x? > > Jose Calhariz > >> >> --D >> >> On Fri, Jan 24, 2014 at 10:28:03PM -0800, Darrick J. Wong wrote: >>> >>> On Fri, Jan 17, 2014 at 12:34:17PM +0000, Jose Manuel dos Santos Calhariz >>> wrote: >>>> >>>> Hi, is the second time I get this BUG. >>>> >>>> The first was during boot from an old 3.13.0-rc2 to a 3.13.0-rc7. >>>> The second time was when running tests. >>> >>> Yeah, I also saw this tonight on 3.13. Running on ext4 -> LVM -> LUKS -> >>> bcache -> ssd/disk. >>> >>> [81881.815077] ------------[ cut here ]------------ >>> [81881.815108] kernel BUG at drivers/md/bcache/btree.c:1168! >>> [81881.815123] invalid opcode: 0000 [#1] PREEMPT SMP >>> [81881.815140] Modules linked in: hfsplus hfs msdos ipt_MASQUERADE >>> iptable_nat nf_nat_ipv4 xt_conntrack xt_CHECKSUM iptable_mangle tun bridge >>> stp llc fuse af_packet microcode bnep rfcomm nfsd nfs_acl exportfs >>> auth_rpcgss nfs lockd sunrpc xt_physdev xt_hl uvcvideo ip6t_rt >>> videobuf2_core videodev nf_conntrack_ipv6 nf_defrag_ipv6 videobuf2_vmalloc >>> videobuf2_memops ipt_REJECT xt_sctp xt_limit xt_tcpudp xt_addrtype >>> nf_conntrack_ipv4 nf_defrag_ipv4 xt_state ip6table_filter ip6_tables >>> nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat >>> nf_conntrack_ftp nf_conntrack iptable_filter ip_tables x_tables eeprom >>> sch_fq_codel nls_iso8859_1 nls_cp437 vfat fat lpc_ich mfd_core loop bcache >>> zlib_deflate libcrc32c >>> [81881.815346] CPU: 2 PID: 1418 Comm: bcache_gc Not tainted >>> 3.13.0-60-birch #1 >>> [81881.815365] Hardware name: LENOVO 2349E51/2349E51, BIOS G1ET69WW (2.05 >>> ) 09/12/2012 >>> [81881.815385] task: ffff880402038000 ti: ffff8804043c6000 task.ti: >>> ffff8804043c6000 >>> [81881.815405] RIP: 0010:[<ffffffffa0017a01>] [<ffffffffa0017a01>] >>> __bch_btree_mark_key+0x251/0x290 [bcache] >>> [81881.815438] RSP: 0018:ffff8804043c7c78 EFLAGS: 00010246 >>> [81881.815453] RAX: 0000000000000002 RBX: ffffc90004397dac RCX: >>> 0000000000000200 >>> [81881.815471] RDX: 0000000000000002 RSI: 0000000000000001 RDI: >>> ffffc90004397dac >>> [81881.815490] RBP: ffff8804043c7cc8 R08: 000007ffffffffff R09: >>> 0000000000000001 >>> [81881.815509] R10: 0000000000003fff R11: 0000001000000000 R12: >>> 0000000000000000 >>> [81881.815527] R13: ffff8800532002c0 R14: ffff8804017a0000 R15: >>> 0000000000000000 >>> [81881.815546] FS: 0000000000000000(0000) GS:ffff88041e300000(0000) >>> knlGS:0000000000000000 >>> [81881.815568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >>> [81881.815583] CR2: 00007f467f76b000 CR3: 0000000001c0c000 CR4: >>> 00000000001407e0 >>> [81881.815602] Stack: >>> [81881.815609] ffff8804043c7ce8 ffff880408fb2000 ffff8804043c7c98 >>> ffffffffa0014be5 >>> [81881.815632] ffff8804043c7cc8 ffff880408fb2000 ffff8804043c7de0 >>> ffff8800532002c0 >>> [81881.815653] 0000000000000000 000000000000001c ffff8804043c7d68 >>> ffffffffa0017e41 >>> [81881.815675] Call Trace: >>> [81881.815690] [<ffffffffa0014be5>] ? bch_ptr_invalid+0x25/0x30 [bcache] >>> [81881.815713] [<ffffffffa0017e41>] btree_gc_mark_node+0x81/0x210 >>> [bcache] >>> [81881.815736] [<ffffffffa001a2e2>] bch_btree_gc+0x252/0x5d0 [bcache] >>> [81881.815759] [<ffffffffa001a698>] bch_gc_thread+0x38/0x120 [bcache] >>> [81881.815781] [<ffffffffa001a660>] ? bch_btree_gc+0x5d0/0x5d0 [bcache] >>> [81881.815801] [<ffffffff810e4b79>] kthread+0xc9/0xe0 >>> [81881.815816] [<ffffffff810e4ab0>] ? flush_kthread_worker+0xb0/0xb0 >>> [81881.815835] [<ffffffff817f63ec>] ret_from_fork+0x7c/0xb0 >>> [81881.815851] [<ffffffff810e4ab0>] ? flush_kthread_worker+0xb0/0xb0 >>> [81881.815868] Code: c8 44 89 55 b8 4c 89 5d b0 e8 5c 21 01 00 4c 8b 45 >>> c0 84 c0 44 8b 4d c8 44 8b 55 b8 4c 8b 5d b0 75 13 0f b7 43 0a e9 28 ff ff >>> ff <0f> 0b 48 89 df e9 ec fe ff ff 4c 89 45 c0 44 89 4d c8 44 89 55 >>> [81881.815956] RIP [<ffffffffa0017a01>] __bch_btree_mark_key+0x251/0x290 >>> [bcache] >>> [81881.815982] RSP <ffff8804043c7c78> >>> [81881.820218] ---[ end trace f9ade3bfa4c277bf ]--- >>> >>> --D >>>> >>>> Follow the two stack trace: >>>> >>>> Jan 14 17:33:59 xxxxx kernel: ------------[ cut here ]------------ >>>> Jan 14 17:33:59 xxxxx kernel: kernel BUG at >>>> drivers/md/bcache/btree.c:1168! >>>> Jan 14 17:33:59 xxxxx kernel: invalid opcode: 0000 [#1] SMP >>>> Jan 14 17:33:59 xxxxx kernel: Modules linked in: lp parport_pc >>>> parport joydev st sr_mod cdrom xt_multiport iptable_filter ip_tables >>>> x_tables xfs libcrc32c ipmi_devintf loop snd_pcm mgag200 >>>> snd_page_alloc snd_timer ttm x86_pkg_temp_thermal drm_kms_helper drm >>>> snd i2c_algo_bit coretemp soundcore kvm_intel kvm >>>> +crc32c_intel ghash_clmulni_intel ioatdma aesni_intel aes_x86_64 >>>> iTCO_wdt sb_edac iTCO_vendor_support mei_me mei ablk_helper >>>> edac_core cryptd psmouse i2c_i801 lpc_ich serio_raw i2c_core pcspkr >>>> lrw mfd_core gf128mul ipmi_si ipmi_msghandler glue_helper evdev >>>> processor wmi thermal_sys button ext3 mbcache jbd dm_mod >>>> +raid1 md_mod hid_generic usbhid hid bcache sg sd_mod ses crc_t10dif >>>> enclosure crct10dif_common microcode ahci libahci libata ehci_pci >>>> ehci_hcd mpt2sas raid_class usbcore megaraid_sas scsi_transport_sas >>>> usb_common scsi_mod ixgbe dca ptp pps_core mdio [last unloaded: >>>> parport_pc] >>>> Jan 14 17:33:59 xxxxx kernel: CPU: 6 PID: 700 Comm: bcache_gc Not >>>> tainted 3.13.0-rc7-dsi #3 >>>> Jan 14 17:33:59 xxxxx kernel: Hardware name: Supermicro >>>> X9SRH-7F/7TF/X9SRH-7F/7TF, BIOS 3.00 07/05/2013 >>>> Jan 14 17:33:59 xxxxx kernel: task: ffff88101371a050 ti: >>>> ffff88100ea56000 task.ti: ffff88100ea56000 >>>> Jan 14 17:33:59 xxxxx kernel: RIP: 0010:[<ffffffffa01ce41e>] >>>> [<ffffffffa01ce41e>] __bch_btree_mark_key+0x171/0x1a8 [bcache] >>>> Jan 14 17:33:59 xxxxx kernel: RSP: 0018:ffff88100ea57cb8 EFLAGS: >>>> 00010246 >>>> Jan 14 17:33:59 xxxxx kernel: RAX: 0000000000000002 RBX: >>>> ffff880fab8001e8 RCX: 0000000000002000 >>>> Jan 14 17:33:59 xxxxx kernel: RDX: 0000000000000002 RSI: >>>> ffff880fab8001e8 RDI: ffff881028d60000 >>>> Jan 14 17:33:59 xxxxx kernel: RBP: 0000000000000000 R08: >>>> 0000000000000001 R09: ffff88101003c000 >>>> Jan 14 17:33:59 xxxxx kernel: R10: 0000000000001000 R11: >>>> ffff880fce594400 R12: 0000000000000000 >>>> Jan 14 17:33:59 xxxxx kernel: R13: ffff881028d60000 R14: >>>> 0000000000000001 R15: ffffc90016d93678 >>>> Jan 14 17:33:59 xxxxx kernel: FS: 0000000000000000(0000) >>>> GS:ffff88107fcc0000(0000) knlGS:0000000000000000 >>>> Jan 14 17:33:59 xxxxx kernel: CS: 0010 DS: 0000 ES: 0000 CR0: >>>> 0000000080050033 >>>> Jan 14 17:33:59 xxxxx kernel: CR2: 00007fe31614ccf8 CR3: >>>> 000000000160c000 CR4: 00000000000407e0 >>>> Jan 14 17:33:59 xxxxx kernel: Stack: >>>> Jan 14 17:33:59 xxxxx kernel: ffff880fab8001e8 0000000188a000fb >>>> ffff880fce594400 ffff880fce594400 >>>> Jan 14 17:33:59 xxxxx kernel: ffff880fab8001e8 0000000000000013 >>>> 0000000000000001 ffff88100ea57dc8 >>>> Jan 14 17:33:59 xxxxx kernel: ffff88100ea57d18 ffffffffa01ce72a >>>> ffff88101371a050 0000000200000000 >>>> Jan 14 17:33:59 xxxxx kernel: Call Trace: >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffffa01ce72a>] ? >>>> btree_gc_mark_node+0x4c/0x16d [bcache] >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffff811e8e63>] ? >>>> call_rwsem_down_write_failed+0x13/0x20 >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffffa01d005e>] ? >>>> bch_btree_gc+0x187/0x3a7 [bcache] >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffff8106ffde>] ? >>>> idle_balance+0x12b/0x166 >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffff81066b18>] ? mmdrop+0xd/0x1c >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffffa01d02ab>] ? >>>> bch_gc_thread+0x2d/0xe5 [bcache] >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffffa01d027e>] ? >>>> bch_btree_gc+0x3a7/0x3a7 [bcache] >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffffa01d027e>] ? >>>> bch_btree_gc+0x3a7/0x3a7 [bcache] >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffff8105f77a>] ? kthread+0x99/0xa1 >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffff8105f6e1>] ? >>>> __kthread_parkme+0x59/0x59 >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffff813b58cc>] ? >>>> ret_from_fork+0x7c/0xb0 >>>> Jan 14 17:33:59 xxxxx kernel: [<ffffffff8105f6e1>] ? >>>> __kthread_parkme+0x59/0x59 >>>> Jan 14 17:33:59 xxxxx kernel: Code: 00 01 c1 b8 ff 3f 00 00 81 f9 ff >>>> 3f 00 00 0f 46 c1 66 81 e2 03 80 25 ff 1f 00 00 c1 e0 02 09 d0 66 a9 >>>> fc 7f 66 41 89 47 0a 75 02 <0f> 0b ff c5 eb 05 31 ed 45 31 e4 48 8b >>>> 03 89 ea 48 c1 e8 3c 83 >>>> Jan 14 17:33:59 xxxxx kernel: RIP [<ffffffffa01ce41e>] >>>> __bch_btree_mark_key+0x171/0x1a8 [bcache] >>>> Jan 14 17:33:59 xxxxx kernel: RSP <ffff88100ea57cb8> >>>> Jan 14 17:33:59 xxxxx kernel: ---[ end trace 6a29ce0fa7816b54 ]--- >>>> >>>> >>>> Jan 16 12:16:00 xxxxx kernel: ------------[ cut here ]------------ >>>> Jan 16 12:16:00 xxxxx kernel: kernel BUG at >>>> drivers/md/bcache/btree.c:1168! >>>> Jan 16 12:16:00 xxxxx kernel: invalid opcode: 0000 [#1] SMP >>>> Jan 16 12:16:00 xxxxx kernel: Modules linked in: lp parport_pc >>>> parport joydev st sr_mod cdrom xt_multiport iptable_filter ip_tables >>>> x_tables xfs libcrc32c ipmi_devintf loop iTCO_wdt >>>> x86_pkg_temp_thermal coretemp kvm_intel kvm sb_edac >>>> iTCO_vendor_support mgag200 ioatdma snd_pcm snd_page_alloc snd_timer >>>> snd i2c_i801 >>>> +ttm soundcore crc32c_intel ghash_clmulni_intel aesni_intel lpc_ich >>>> aes_x86_64 drm_kms_helper drm i2c_algo_bit i2c_core mfd_core >>>> ablk_helper cryptd lrw gf128mul mei_me mei glue_helper psmouse >>>> edac_core serio_raw pcspkr evdev wmi ipmi_si ipmi_msghandler >>>> processor thermal_sys button ext3 mbcache jbd dm_mod raid1 >>>> +md_mod hid_generic usbhid hid bcache sg sd_mod ses crc_t10dif >>>> enclosure crct10dif_common microcode ehci_pci ehci_hcd usbcore ahci >>>> mpt2sas libahci usb_common raid_class libata scsi_transport_sas >>>> megaraid_sas ixgbe scsi_mod dca ptp pps_core mdio [last unloaded: >>>> parport_pc] >>>> Jan 16 12:16:00 xxxxx kernel: CPU: 8 PID: 707 Comm: bcache_gc Not >>>> tainted 3.13.0-rc7-dsi #3 >>>> Jan 16 12:16:00 xxxxx kernel: Hardware name: Supermicro >>>> X9SRH-7F/7TF/X9SRH-7F/7TF, BIOS 3.00 07/05/2013 >>>> Jan 16 12:16:00 xxxxx kernel: task: ffff88102c30f800 ti: >>>> ffff88100e44c000 task.ti: ffff88100e44c000 >>>> Jan 16 12:16:00 xxxxx kernel: RIP: 0010:[<ffffffffa01f341e>] >>>> [<ffffffffa01f341e>] __bch_btree_mark_key+0x171/0x1a8 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: RSP: 0018:ffff88100e44da78 EFLAGS: >>>> 00010246 >>>> Jan 16 12:16:00 xxxxx kernel: RAX: 0000000000000000 RBX: >>>> ffff880fed4037b8 RCX: 0000000000002000 >>>> Jan 16 12:16:00 xxxxx kernel: RDX: 0000000000000000 RSI: >>>> ffff880fed4037b8 RDI: ffff881028ce0000 >>>> Jan 16 12:16:00 xxxxx kernel: RBP: 0000000000000000 R08: >>>> 0000000000000001 R09: ffff8810109ea000 >>>> Jan 16 12:16:00 xxxxx kernel: R10: 0000000000001000 R11: >>>> ffff880fee906400 R12: 0000000000000000 >>>> Jan 16 12:16:00 xxxxx kernel: R13: ffff881028ce0000 R14: >>>> 0000000000000000 R15: ffffc900168dc660 >>>> Jan 16 12:16:00 xxxxx kernel: FS: 0000000000000000(0000) >>>> GS:ffff88107fd00000(0000) knlGS:0000000000000000 >>>> Jan 16 12:16:00 xxxxx kernel: CS: 0010 DS: 0000 ES: 0000 CR0: >>>> 0000000080050033 >>>> Jan 16 12:16:00 xxxxx kernel: CR2: 0000000000619570 CR3: >>>> 000000000160c000 CR4: 00000000000407e0 >>>> Jan 16 12:16:00 xxxxx kernel: Stack: >>>> Jan 16 12:16:00 xxxxx kernel: ffff88100e44dad8 0000000108801efc >>>> ffffffffa01f0c31 ffff880fee906400 >>>> Jan 16 12:16:00 xxxxx kernel: ffff880fed4037b8 0000000000000251 >>>> 0000000000000000 ffff88100e44ddc8 >>>> Jan 16 12:16:00 xxxxx kernel: ffff88100e44dad8 ffffffffa01f372a >>>> ffffffffa01f5bb1 00000251b5f80000 >>>> Jan 16 12:16:00 xxxxx kernel: Call Trace: >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f0c31>] ? >>>> bch_cut_back+0x41/0x41 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f372a>] ? >>>> btree_gc_mark_node+0x4c/0x16d [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f5bb1>] ? >>>> tree_to_bkey+0x13/0x3c [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f64b8>] ? >>>> bch_ptr_invalid+0x1a/0x1a [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f4cbf>] ? >>>> btree_gc_recurse+0x677/0x88f [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f6398>] ? >>>> bch_btree_ptr_invalid+0x46/0xb0 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff813ae20a>] ? >>>> __schedule+0x48f/0x555 >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff810680ad>] ? >>>> resched_task+0x15/0x4b >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f7ab0>] ? >>>> bch_btree_iter_next_filter+0x18/0x38 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f379c>] ? >>>> btree_gc_mark_node+0xbe/0x16d [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff811e8e63>] ? >>>> call_rwsem_down_write_failed+0x13/0x20 >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f50df>] ? >>>> bch_btree_gc+0x208/0x3a7 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff8106ffde>] ? >>>> idle_balance+0x12b/0x166 >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff81066b18>] ? mmdrop+0xd/0x1c >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f52ab>] ? >>>> bch_gc_thread+0x2d/0xe5 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f527e>] ? >>>> bch_btree_gc+0x3a7/0x3a7 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffffa01f527e>] ? >>>> bch_btree_gc+0x3a7/0x3a7 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff8105f77a>] ? kthread+0x99/0xa1 >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff8105f6e1>] ? >>>> __kthread_parkme+0x59/0x59 >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff813b58cc>] ? >>>> ret_from_fork+0x7c/0xb0 >>>> Jan 16 12:16:00 xxxxx kernel: [<ffffffff8105f6e1>] ? >>>> __kthread_parkme+0x59/0x59 >>>> Jan 16 12:16:00 xxxxx kernel: Code: 00 01 c1 b8 ff 3f 00 00 81 f9 ff >>>> 3f 00 00 0f 46 c1 66 81 e2 03 80 25 ff 1f 00 00 c1 e0 02 09 d0 66 a9 >>>> fc 7f 66 41 89 47 0a 75 02 <0f> 0b ff c5 eb 05 31 ed 45 31 e4 48 8b >>>> 03 89 ea 48 c1 e8 3c 83 >>>> Jan 16 12:16:00 xxxxx kernel: RIP [<ffffffffa01f341e>] >>>> __bch_btree_mark_key+0x171/0x1a8 [bcache] >>>> Jan 16 12:16:00 xxxxx kernel: RSP <ffff88100e44da78> >>>> Jan 16 12:16:00 xxxxx kernel: ---[ end trace 14e7f7c11d82ef2f ]--- >>>> >>>> >>>> >>>> >>>> >>>> -- >>>> -- >>>> Um repórter de rock é um jornalista que não sabe escrever, entrevistando >>>> gente >>>> que não sabe falar, para pessoas que não sabem ler. >>>> >>>> >>>> -- >>>> 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 >> >> _______________________________________________ >> ns-list mailing list >> ns-list@xxxxxxxxxxxxxx >> https://mlists.ist.utl.pt/mailman/listinfo/groups.ciist.ns-list >> >> > > > -- > -- > > Nenhum pássaro voa alto demais, se voa com suas próprias asas > > --William Blake > > > > -- > 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
