From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mickael Marchand Subject: Re: reiser4: mv changes mtime ? Date: Fri, 08 Apr 2005 10:51:21 +0200 Message-ID: <42564609.4040208@ujf-grenoble.fr> References: <4254F10A.7060103@ujf-grenoble.fr> <1112944858.4420.94.camel@tribesman.namesys.com> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="=_fourier.ujf-grenoble.fr-18172-1112950291-0001-2" Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <1112944858.4420.94.camel@tribesman.namesys.com> List-Id: To: Vladimir Saveliev Cc: reiserfs-list@namesys.com --=_fourier.ujf-grenoble.fr-18172-1112950291-0001-2 Content-Type: multipart/mixed; boundary="------------030900000601020500050506" This is a multi-part message in MIME format. --------------030900000601020500050506 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit hmm just got 3 more soft lookups in a few hours (2/3 hours I think) ;) my script (attached in case you want to try it) for backups basically do: rm -rf hourly.11 mv hourly.10 hourly.11 ... mv hourly.1 hourly.2 mv hourly.0 hourly.1 cp -al hourly.1 hourly.0 rsync [various options] /home/ hourly.0/ the size of the base backup being about 37Go which is incrementally rsync-ed thanks to hard links on a 500Go raid6 array. another backups scripts just rsync some box over ssh once a day ... tell me if I can provide more infos that could help you ... Cheers, Mik reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 ssh[4076]: segfault at 0000000000000000 rip 0000000000425b05 rsp 00007ffffffb0c50 error 4 ssh[4079]: segfault at 0000000000000000 rip 0000000000425b05 rsp 00007fffffef6a50 error 4 ssh[4082]: segfault at 0000000000000000 rip 0000000000425b05 rsp 00007ffffff92250 error 4 ssh[4085]: segfault at 0000000000000000 rip 0000000000425b05 rsp 00007fffff956810 error 4 ssh[4088]: segfault at 0000000000000000 rip 0000000000425b05 rsp 00007fffffe9f9f0 error 4 reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 BUG: soft lockup detected on CPU#0! Modules linked in: ipv6 parport_pc parport ehci_hcd eth1394 uhci_hcd ohci1394 ieee1394 ohci_hcd usbcore snd_intel8x0 snd_ac97_codec snd_pcm snd_timer snd snd_page_alloc i2c_amd756 i2c_amd8111 i2c_isa w83781d i2c_sensor i2c_core e1000 Pid: 6131, comm: pdflush Not tainted 2.6.12-rc2-mm1 RIP: 0010:[] {jlookup+36} RSP: 0018:ffff81001def3670 EFLAGS: 00000286 RAX: ffff81007f81b340 RBX: ffff8100c09f5000 RCX: 00000000000038b1 RDX: ffff81001c7171c0 RSI: 000000000030c1df RDI: ffff8100c739b020 RBP: 0000002000000000 R08: ffff81001def38a0 R09: ffff810011b54b54 R10: 0000000000000026 R11: ffffffff802118d0 R12: 00007fe01def35e0 R13: ffff8100c09f5004 R14: ffff81001def365c R15: 00007fe000000001 FS: 00002aaaaadfeae0(0000) GS:ffffffff806eb840(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00002aaaabb58dc8 CR3: 000000000dbab000 CR4: 00000000000006e0 Call Trace:{protect_extent_nodes+213} {extent_size+30} {txnh_get_atom+41} {alloc_extent+562} {plugin_by_unsafe_id+28} {item_length_by_coord+17} {handle_pos_on_twig+351} {flush_current_atom+2022} {flush_some_atom+458} {generic_sync_sb_inodes+723} {keventd_create_kthread+0} {reiser4_sync_inodes+229} {writeback_inodes+137} {background_writeout+124} {pdflush+0} {pdflush+316} {background_writeout+0} {kthread+217} {schedule_tail+64} {child_rip+8} {keventd_create_kthread+0} {kthread+0} {child_rip+0} BUG: soft lockup detected on CPU#0! Modules linked in: ipv6 parport_pc parport ehci_hcd eth1394 uhci_hcd ohci1394 ieee1394 ohci_hcd usbcore snd_intel8x0 snd_ac97_codec snd_pcm snd_timer snd snd_page_alloc i2c_amd756 i2c_amd8111 i2c_isa w83781d i2c_sensor i2c_core e1000 Pid: 6131, comm: pdflush Not tainted 2.6.12-rc2-mm1 RIP: 0010:[] {jlookup+36} RSP: 0018:ffff81001def3670 EFLAGS: 00000282 RAX: ffff810058578880 RBX: ffff8100c0a5f000 RCX: 000000000000c0c3 RDX: ffff81004d60ec40 RSI: 000000000030c1df RDI: ffff8100c739b020 RBP: 0000002000000000 R08: ffff81001def38a0 R09: ffff810040f9570c R10: 0000000000000018 R11: ffffffff802118d0 R12: 00007fe00001412a R13: ffff8100c0a5f004 R14: ffff81001def365c R15: 00007fe000000001 FS: 00002aaaaadfeae0(0000) GS:ffffffff806eb840(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00002aaaaaac2000 CR3: 000000000dbab000 CR4: 00000000000006e0 Call Trace:{protect_extent_nodes+213} {extent_size+30} {txnh_get_atom+41} {alloc_extent+562} {longterm_unlock_znode+275} {item_id_by_coord+45} {handle_pos_on_twig+351} {flush_current_atom+2022} {flush_some_atom+458} {generic_sync_sb_inodes+723} {keventd_create_kthread+0} {reiser4_sync_inodes+229} {writeback_inodes+137} {background_writeout+124} {pdflush+0} {pdflush+316} {background_writeout+0} {kthread+217} {schedule_tail+64} {child_rip+8} {keventd_create_kthread+0} {kthread+0} {child_rip+0} BUG: soft lockup detected on CPU#0! Modules linked in: ipv6 parport_pc parport ehci_hcd eth1394 uhci_hcd ohci1394 ieee1394 ohci_hcd usbcore snd_intel8x0 snd_ac97_codec snd_pcm snd_timer snd snd_page_alloc i2c_amd756 i2c_amd8111 i2c_isa w83781d i2c_sensor i2c_core e1000 Pid: 8037, comm: rsync Not tainted 2.6.12-rc2-mm1 RIP: 0010:[] {jlookup+36} RSP: 0018:ffff81007539f3f0 EFLAGS: 00000282 RAX: ffff81001fdf8580 RBX: ffff8100c0940000 RCX: 000000000001c54e RDX: ffff81001ae99880 RSI: 000000000030c1df RDI: ffff8100c739b020 RBP: 0000002000000000 R08: ffff81007539f620 R09: ffff81008ab989bc R10: 000000000000003b R11: ffffffff802118d0 R12: 00007fe07539f360 R13: ffff8100c0940004 R14: ffff81007539f3dc R15: 00007fe000000001 FS: 00002aaaab01b6d0(0000) GS:ffffffff806eb840(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00002aaaaaac2000 CR3: 000000000dbab000 CR4: 00000000000006e0 Call Trace:{protect_extent_nodes+213} {extent_size+30} {txnh_get_atom+41} {alloc_extent+562} {longterm_unlock_znode+275} {handle_pos_end_of_twig+642} {item_length_by_coord+17} {handle_pos_on_twig+351} {flush_current_atom+2022} {owns_item_common+75} {txn_end+419} {txn_restart+9} {reiser4_throttle_write+9} {write_extent+1509} {item_length_by_coord+17} {nr_units_extent+9} {init_coord_extension_extent+121} {write_extent+0} {write_flow+640} {__down_read+49} {write_unix_file+835} {txn_end+1114} {reiser4_write+157} {vfs_write+190} {sys_write+83} {system_call+126} reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 reiser4[ktxnmgrd:md3:ti(3087)]: commit_current_atom (fs/reiser4/txnmgr.c:1147)[nikita-3176]: WARNING: Flushing like mad: 16384 Vladimir Saveliev wrote: > Hello > > On Thu, 2005-04-07 at 12:36, Mickael Marchand wrote: > >>Hi, >> >>I am giving a shot at reiser4 to make rsync snapshots backups (using >>hard links and incremental rsync). >>this works definitely great apart from 2 minor bugs :) >> >>1 : it seems that mv directory/ directory2/ changes the mtime of the >>directory. This is not the case with reiser3. > > > I am not sure which is correct. > ext2 also changes mtime when it renames a directory. > > Also, renaming directory changes its ".." entry because on rename it may > get new parent. So, probably, updating mtime on directory rename is not > very incorrect. > > >> Is this intentional ? >>(it basically breaks my recover-from-snapshots script which uses the >>mtime ;) >> >>2 : this was posted on lkml today but it fits better here I guess : >> >>2.6.12-rc1-mm4 config at >>http://www-fourier.ujf-grenoble.fr/~mmarcha/config-2.6.12-rc1-mm4.gz >> >>running on a bi-opteron (debian-amd64), >>I got some "flushing like mad" warning messages from reiser4 (which >>are safe apparently). > > > yes, if its counter does not increase endlessly. > > >>and this soft lookup BUG caused by reiser4 I think : >> > > > Have you found a test on which this soft lockup get detected 10 times in > 10 attempts? > > >>BUG: soft lockup detected on CPU#0! >> >>Modules linked in: ipv6 parport_pc parport eth1394 ehci_hcd uhci_hcd >>ohci1394 ieee1394 ohci_hcd usbcore snd_intel8x0 snd_ac97_codec snd_pcm >>snd_timer snd snd_page_alloc i2c_amd756 i2c_amd8111 i2c_isa w83781d >>i2c_sensor i2c_core e1000 >>Pid: 25291, comm: pdflush Not tainted 2.6.12-rc1-mm4 >>RIP: 0010:[] {protect_extent_nodes+382} >>RSP: 0018:ffff81007df45678 EFLAGS: 00000202 >>RAX: ffff810015c7c5e0 RBX: ffff81007c609000 RCX: ffff81001074ba60 >>RDX: ffff81001074b220 RSI: ffff81001074b1c0 RDI: ffff81001074b210 >>RBP: 0000002000000000 R08: ffff81007df458a0 R09: ffff810044068e14 >>R10: 000000000000001c R11: ffffffff802119a0 R12: 00007fe07df455e0 >>R13: ffff81007c609004 R14: ffff81007df4565c R15: 00007fe000000001 >>FS: 00002aaaaadfeae0(0000) GS:ffffffff806e7840(0000) knlGS:0000000000000000 >>CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b >>CR2: 00002aaaaaac2000 CR3: 000000009bc83000 CR4: 00000000000006e0 >> >>Call Trace:{protect_extent_nodes+378} >>{extent_size+30} >> {txnh_get_atom+41} >>{alloc_extent+562} >> {plugin_by_unsafe_id+28} >>{item_length_by_coord+17} >> {handle_pos_on_twig+351} >>{flush_current_atom+2022} >> {flush_some_atom+458} >>{generic_sync_sb_inodes+723} >> {keventd_create_kthread+0} >>{reiser4_sync_inodes+229} >> {writeback_inodes+137} >>{background_writeout+124} >> {pdflush+0} {pdflush+316} >> {background_writeout+0} >>{kthread+217} >> {schedule_tail+64} {child_rip+8} >> {keventd_create_kthread+0} >>{kthread+0} >> {child_rip+0} >> >>Please CC-me in answers, I am not subscribed here. >> >>Cheers, >>Mik >> > > -- Mickael Marchand, Ingenieur de recherche CNRS Service Informatique, Institut Fourier - UFR Maths Tel : 0476635655 Fax : 0476514478 --------------030900000601020500050506 Content-Type: application/x-shellscript; name="snapshot-home.sh" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="snapshot-home.sh" IyEvYmluL2Jhc2gKIyAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiMgbWlrZXMgaGFuZHkgcm90YXRpbmct ZmlsZXN5c3RlbS1zbmFwc2hvdCB1dGlsaXR5CiMgLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQojIFJDUyBp 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