From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ross Anderson Subject: Re: [NS] kernel BUG at drivers/md/bcache/btree.c:1168 Date: Tue, 11 Feb 2014 10:05:38 -0600 Message-ID: <52FA4A52.40504@dsotm.net> References: <4c6d-52fa2700-1-11857a40@208368243> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from smtprelay0134.b.hostedemail.com ([64.98.42.134]:54873 "EHLO smtprelay.b.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752136AbaBKQEN (ORCPT ); Tue, 11 Feb 2014 11:04:13 -0500 Received: from filter.hostedemail.com (b-bigip1 [10.5.19.254]) by smtprelay03.b.hostedemail.com (Postfix) with ESMTP id 160801A73DB for ; Tue, 11 Feb 2014 16:04:12 +0000 (UTC) Received: from [192.168.2.200] (c-24-118-251-104.hsd1.mn.comcast.net [24.118.251.104]) (Authenticated sender: rosander@dsotm.net) by omf07.b.hostedemail.com (Postfix) with ESMTPA for ; Tue, 11 Feb 2014 16:04:10 +0000 (UTC) In-Reply-To: Sender: linux-bcache-owner@vger.kernel.org List-Id: linux-bcache@vger.kernel.org Cc: "linux-bcache@vger.kernel.org" May need to request a re-pull on this to Jens. Ross Anderson On 2/11/2014 8:45 AM, Ryan Tucker wrote: > I believe this is the commit: > > http://evilpiepirate.org/git/linux-bcache.git/commit/?h=3Dbcache-for-= 3.14&id=3D947174476701fbc84ea8c7ec9664270f9d80b076 > > I had the crash twice in as many days after moving to 3.13.x. I > cherry-picked that commit onto kernel v3.13.2 last night and have not > had a crash in 0.59 days. :-) > > (edit: resent to linux-bcache list; forgot I was in HTML mode) > > > On Tue, Feb 11, 2014 at 8:35 AM, Vladimir Elisseev w= rote: >> Where can I find the actual patch? I see the same bug on the system = with plain btrfs on bcache device. >> >> Regards, >> Vlad. >> >> On Friday, February 7, 2014 22:10 CET, Kent Overstreet wrote: >> >>> 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 >>> 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 abou= t 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= =2E >>>>> Eventually >>>>> it'll BUG(). >>>> It's to tell that your fix works for me. It's possible to push you= r 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-rc= 7. >>>>>>> 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_MASQUERA= DE >>>>>> iptable_nat nf_nat_ipv4 xt_conntrack xt_CHECKSUM iptable_mangle = tun bridge >>>>>> stp llc fuse af_packet microcode bnep rfcomm nfsd nfs_acl export= fs >>>>>> auth_rpcgss nfs lockd sunrpc xt_physdev xt_hl uvcvideo ip6t_rt >>>>>> videobuf2_core videodev nf_conntrack_ipv6 nf_defrag_ipv6 videobu= f2_vmalloc >>>>>> videobuf2_memops ipt_REJECT xt_sctp xt_limit xt_tcpudp xt_addrty= pe >>>>>> nf_conntrack_ipv4 nf_defrag_ipv4 xt_state ip6table_filter ip6_ta= bles >>>>>> 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 l= oop 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 G1ET6= 9WW (2.05 >>>>>> ) 09/12/2012 >>>>>> [81881.815385] task: ffff880402038000 ti: ffff8804043c6000 task.= ti: >>>>>> ffff8804043c6000 >>>>>> [81881.815405] RIP: 0010:[] [] >>>>>> __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(0= 000) >>>>>> 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 ffff8804043c7c= 98 >>>>>> ffffffffa0014be5 >>>>>> [81881.815632] ffff8804043c7cc8 ffff880408fb2000 ffff8804043c7d= e0 >>>>>> ffff8800532002c0 >>>>>> [81881.815653] 0000000000000000 000000000000001c ffff8804043c7d= 68 >>>>>> ffffffffa0017e41 >>>>>> [81881.815675] Call Trace: >>>>>> [81881.815690] [] ? bch_ptr_invalid+0x25/0x30= [bcache] >>>>>> [81881.815713] [] btree_gc_mark_node+0x81/0x2= 10 >>>>>> [bcache] >>>>>> [81881.815736] [] bch_btree_gc+0x252/0x5d0 [b= cache] >>>>>> [81881.815759] [] bch_gc_thread+0x38/0x120 [b= cache] >>>>>> [81881.815781] [] ? bch_btree_gc+0x5d0/0x5d0 = [bcache] >>>>>> [81881.815801] [] kthread+0xc9/0xe0 >>>>>> [81881.815816] [] ? flush_kthread_worker+0xb0= /0xb0 >>>>>> [81881.815835] [] ret_from_fork+0x7c/0xb0 >>>>>> [81881.815851] [] ? flush_kthread_worker+0xb0= /0xb0 >>>>>> [81881.815868] Code: c8 44 89 55 b8 4c 89 5d b0 e8 5c 21 01 00 4= c 8b 45 >>>>>> c0 84 c0 44 8b 4d c8 44 8b 55 b8 4c 8b 5d b0 75 13 0f b7 43 0a e= 9 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 [] __bch_btree_mark_key+0x= 251/0x290 >>>>>> [bcache] >>>>>> [81881.815982] RSP >>>>>> [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_t= ables >>>>>>> x_tables xfs libcrc32c ipmi_devintf loop snd_pcm mgag200 >>>>>>> snd_page_alloc snd_timer ttm x86_pkg_temp_thermal drm_kms_helpe= r drm >>>>>>> snd i2c_algo_bit coretemp soundcore kvm_intel kvm >>>>>>> +crc32c_intel ghash_clmulni_intel ioatdma aesni_intel aes_x86_6= 4 >>>>>>> iTCO_wdt sb_edac iTCO_vendor_support mei_me mei ablk_helper >>>>>>> edac_core cryptd psmouse i2c_i801 lpc_ich serio_raw i2c_core pc= spkr >>>>>>> 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_t= 10dif >>>>>>> enclosure crct10dif_common microcode ahci libahci libata ehci_p= ci >>>>>>> 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 N= ot >>>>>>> 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:[] >>>>>>> [] __bch_btree_mark_key+0x171/0x1a8 [bcache] >>>>>>> Jan 14 17:33:59 xxxxx kernel: RSP: 0018:ffff88100ea57cb8 EFLAG= S: >>>>>>> 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: [] ? >>>>>>> btree_gc_mark_node+0x4c/0x16d [bcache] >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> call_rwsem_down_write_failed+0x13/0x20 >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> bch_btree_gc+0x187/0x3a7 [bcache] >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> idle_balance+0x12b/0x166 >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? mmdrop+0xd= /0x1c >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> bch_gc_thread+0x2d/0xe5 [bcache] >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> bch_btree_gc+0x3a7/0x3a7 [bcache] >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> bch_btree_gc+0x3a7/0x3a7 [bcache] >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? kthread+0x= 99/0xa1 >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> __kthread_parkme+0x59/0x59 >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> ret_from_fork+0x7c/0xb0 >>>>>>> Jan 14 17:33:59 xxxxx kernel: [] ? >>>>>>> __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 4= 8 8b >>>>>>> 03 89 ea 48 c1 e8 3c 83 >>>>>>> Jan 14 17:33:59 xxxxx kernel: RIP [] >>>>>>> __bch_btree_mark_key+0x171/0x1a8 [bcache] >>>>>>> Jan 14 17:33:59 xxxxx kernel: RSP >>>>>>> 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_t= ables >>>>>>> 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 unloade= d: >>>>>>> parport_pc] >>>>>>> Jan 16 12:16:00 xxxxx kernel: CPU: 8 PID: 707 Comm: bcache_gc N= ot >>>>>>> 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:[] >>>>>>> [] __bch_btree_mark_key+0x171/0x1a8 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: RSP: 0018:ffff88100e44da78 EFLAG= S: >>>>>>> 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: [] ? >>>>>>> bch_cut_back+0x41/0x41 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> btree_gc_mark_node+0x4c/0x16d [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> tree_to_bkey+0x13/0x3c [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> bch_ptr_invalid+0x1a/0x1a [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> btree_gc_recurse+0x677/0x88f [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> bch_btree_ptr_invalid+0x46/0xb0 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> __schedule+0x48f/0x555 >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> resched_task+0x15/0x4b >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> bch_btree_iter_next_filter+0x18/0x38 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> btree_gc_mark_node+0xbe/0x16d [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> call_rwsem_down_write_failed+0x13/0x20 >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> bch_btree_gc+0x208/0x3a7 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> idle_balance+0x12b/0x166 >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? mmdrop+0xd= /0x1c >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> bch_gc_thread+0x2d/0xe5 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> bch_btree_gc+0x3a7/0x3a7 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> bch_btree_gc+0x3a7/0x3a7 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? kthread+0x= 99/0xa1 >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> __kthread_parkme+0x59/0x59 >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> ret_from_fork+0x7c/0xb0 >>>>>>> Jan 16 12:16:00 xxxxx kernel: [] ? >>>>>>> __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 4= 8 8b >>>>>>> 03 89 ea 48 c1 e8 3c 83 >>>>>>> Jan 16 12:16:00 xxxxx kernel: RIP [] >>>>>>> __bch_btree_mark_key+0x171/0x1a8 [bcache] >>>>>>> Jan 16 12:16:00 xxxxx kernel: RSP >>>>>>> Jan 16 12:16:00 xxxxx kernel: ---[ end trace 14e7f7c11d82ef2f ]= --- >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> -- >>>>>>> Um rep=F3rter de rock =E9 um jornalista que n=E3o sabe escrever= , entrevistando >>>>>>> gente >>>>>>> que n=E3o sabe falar, para pessoas que n=E3o sabem ler. >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> To unsubscribe from this list: send the line "unsubscribe linux= -bcache" >>>>>>> in >>>>>>> the body of a message to majordomo@vger.kernel.org >>>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.h= tml >>>>>> -- >>>>>> To unsubscribe from this list: send the line "unsubscribe linux-= bcache" >>>>>> in >>>>>> the body of a message to majordomo@vger.kernel.org >>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.ht= ml >>>>> _______________________________________________ >>>>> ns-list mailing list >>>>> ns-list@dsi.ist.utl.pt >>>>> https://mlists.ist.utl.pt/mailman/listinfo/groups.ciist.ns-list >>>>> >>>>> >>>> >>>> -- >>>> -- >>>> >>>> Nenhum p=E1ssaro voa alto demais, se voa com suas pr=F3prias asas >>>> >>>> --William Blake >>>> >>>> >>>> >>>> -- >>>> To unsubscribe from this list: send the line "unsubscribe linux-bc= ache" in >>>> the body of a message to majordomo@vger.kernel.org >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-bca= che" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >> >> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-bcac= he" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > >