[Bug 521379] New: flush slows down USB-Stick
http://bugzilla.novell.com/show_bug.cgi?id=521379 Summary: flush slows down USB-Stick Classification: openSUSE Product: openSUSE 11.1 Version: Final Platform: x86-64 OS/Version: openSUSE 11.1 Status: NEW Severity: Normal Priority: P5 - None Component: Hotplug AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: svenzielke@gmx.de QAContact: qa@suse.de Found By: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.1.0) Gecko/20090623 SUSE/3.5.0-6.1 Firefox/3.5 On KDE4 USB-Sticks with VFAT automatically get mounted with the flush-option. This option sigificantially slows down the stick to roughly one quarter. Reproducible: Always Steps to Reproduce: 1. 2. 3. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 User meissner@novell.com added comment http://bugzilla.novell.com/show_bug.cgi?id=521379#c1 Marcus Meissner <meissner@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|bnc-team-screening@forge.pr |dkukawka@novell.com |ovo.novell.com | --- Comment #1 from Marcus Meissner <meissner@novell.com> 2009-07-15 05:04:34 MDT --- i guess its hal doing those mount options... -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 User svenzielke@gmx.de added comment http://bugzilla.novell.com/show_bug.cgi?id=521379#c2 --- Comment #2 from Sven Zielke <svenzielke@gmx.de> 2009-07-15 05:11:59 MDT --- Yes you are right, it is hal. This flush-option was added earlier (9.3? or 10.2?) to improve the transfer-rate, but somehow it slows it down. XFCE and Gnome does not use this option. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 User dkukawka@novell.com added comment http://bugzilla.novell.com/show_bug.cgi?id=521379#c3 Danny Kukawka <dkukawka@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|Hotplug |KDE4 Workspace AssignedTo|dkukawka@novell.com |kde-maintainers@suse.de --- Comment #3 from Danny Kukawka <dkukawka@novell.com> 2009-07-15 06:24:01 MDT --- It's a KDE and not a HAL issue. KDE is setting the options for mount trough the related HAL method. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 User svenzielke@gmx.de added comment http://bugzilla.novell.com/show_bug.cgi?id=521379#c4 --- Comment #4 from Sven Zielke <svenzielke@gmx.de> 2009-07-20 00:44:13 MDT --- Maybe the flush-Option is not the only problem using USB-Sticks with KDE4. The transferrate is very slow with KDE4 and that was the only difference, I found and first it seems to be faster, but this does not work an every PC I tested with. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 Lubos Lunak <llunak@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P5 - None |P3 - Medium -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c5 Christian Trippe <christiandehne@web.de> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO CC| |christiandehne@web.de Info Provider| |svenzielke@gmx.de --- Comment #5 from Christian Trippe <christiandehne@web.de> 2009-12-08 08:32:20 UTC --- Is this with KDE 4.1 as shipped with openSUSE 11.1? If yes, have you maybe upgraded to openSUSE 11.2 or KDE 4.3 and can tell if the problem still exist there? -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c6 --- Comment #6 from Sven Zielke <svenzielke@gmx.de> 2009-12-08 09:08:13 UTC --- It was with KDE 4.1 and KDE 4.3. However it seems, that KDE 4.3.3 works much better, but it was slower than gnome or XFCE. Unfortunatly I changed the mainbord-chipset from NVIDIA to AMD 785G, and I also upgraded to openSUSE 11.2 and it is horrible! I will need some time to test it. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c7 --- Comment #7 from Sven Zielke <svenzielke@gmx.de> 2009-12-13 16:33:29 UTC --- Okay a made a "quick-test" with OpenSUSE 11.2 and KDE 4.3.4 Writing speed ~ 10 MB/s (much better than earlier versions) but Gnome: Writing speed ~ 19 MB/s -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c Christian Trippe <christiandehne@web.de> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|svenzielke@gmx.de | -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c8 Stephen Dunn <nzlbob2332@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |nzlbob2332@gmail.com Component|KDE4 Workspace |KDE4 Workspace Product|openSUSE 11.1 |openSUSE 11.2 OS/Version|openSUSE 11.1 |openSUSE 11.2 --- Comment #8 from Stephen Dunn <nzlbob2332@gmail.com> 2010-03-08 09:33:22 UTC --- Updated to 11.2 -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c9 Daniel Faust <hessijames@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hessijames@gmail.com --- Comment #9 from Daniel Faust <hessijames@gmail.com> 2010-04-15 19:19:25 UTC --- i have the same problem. the copy process slows down, pausing it for a while makes it faster again when continued. and after the files have been "copied" the device is still blocked for some time. flushing should be deactivated for all external devices since people expect their files being written when the copy dialog completes - so they can unplug the device (usually without safe removing). i'm using opensuse 11.2 and kde 4.3.5 and the usb stick has ntfs. cat /proc/mounts shows /dev/sdc1 /media/Daniel_8GB fuseblk rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other,blksize=4096 0 0 since i don't see any flush option i don't know if that is really the problem but is there a way to change this behavior? -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c10 Lubos Lunak <llunak@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |llunak@novell.com Component|KDE4 Workspace |Kernel AssignedTo|kde-maintainers@suse.de |kernel-maintainers@forge.pr | |ovo.novell.com --- Comment #10 from Lubos Lunak <llunak@novell.com> 2010-04-16 13:31:11 UTC --- If I'm not mistaken flush is the default option for removable media. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c11 Jeff Mahoney <jeffm@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jeffm@novell.com --- Comment #11 from Jeff Mahoney <jeffm@novell.com> 2010-04-16 13:36:26 UTC --- The flush option was added as a compromise between losing data and mounting with full synchronization, which was the old default. -osync was ridiculously slow. It's going to be slower than without -oflush because it's doing periodic forced writeout to avoid data corruption. It shouldn't be 1/4 the speed, though. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=521379 http://bugzilla.novell.com/show_bug.cgi?id=521379#c12 --- Comment #12 from Jeff Mahoney <jeffm@novell.com> 2010-04-16 16:20:25 UTC --- galileo:~ # mount /dev/sdb1 /mnt galileo:~ # cd /mnt galileo:/mnt # rm foo time galileo:/mnt # sync; time !dd; time sync sync; time dd if=/dev/zero of=foo bs=1M count=2000; time sync 2000+0 records in 2000+0 records out 2097152000 bytes (2.1 GB) copied, 431.577 s, 4.9 MB/s real 7m11.605s user 0m0.005s sys 0m5.044s real 0m38.178s user 0m0.000s sys 0m0.007s galileo:/mnt # cd .. galileo:/ # !u umount /mnt galileo:/ # mount -oflush /dev/sdb1 /mnt galileo:/ # cd !$ cd /mnt galileo:/mnt # sync; time dd if=/dev/zero of=foo bs=1M count=2000; time sync 2000+0 records in 2000+0 records out 2097152000 bytes (2.1 GB) copied, 472.171 s, 4.4 MB/s real 7m55.760s user 0m0.003s sys 0m5.126s real 0m2.123s user 0m0.001s sys 0m0.007s Looks like it's pretty close to me. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=521379 https://bugzilla.novell.com/show_bug.cgi?id=521379#c13 Jeff Mahoney <jeffm@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |WONTFIX --- Comment #13 from Jeff Mahoney <jeffm@novell.com> 2010-09-03 17:23:53 UTC --- openSUSE 11.2 is in security-maintenance mode. Please reopen if this issue still occurs with 11.3 or Factory. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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