http://bugzilla.novell.com/show_bug.cgi?id=537056 zhu rensheng changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rszhu@novell.com AssignedTo|bnc-team-screening@forge.pr |kernel-maintainers@forge.pr |ovo.novell.com |ovo.novell.com -- 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=537056 User teheo@novell.com added comment http://bugzilla.novell.com/show_bug.cgi?id=537056#c2 Tejun Heo changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Info Provider| |bluedzins@wp.pl --- Comment #2 from Tejun Heo 2009-11-12 09:48:08 MST --- Does the kernel complain about anything while that happens? Can you please attach full dmesg output after such errors? -- 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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c4 Tejun Heo changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Info Provider| |bluedzins@wp.pl --- Comment #4 from Tejun Heo 2009-11-23 01:58:44 UTC --- Hmmm... not much to go on. :-( Okay, * Does 11.2 have the same problem? * If so, can you please get blktrace dump of such read accesses? Thanks. -- 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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c6 --- Comment #6 from Maciej Pilichowski 2009-11-25 19:49:04 UTC ---

It might be that we started to do some readahead and that gives troubles to the drive. What's the value of /sys/block/<device>/queue/read_ahead_kb in 10.3 and 11.1?

The value is the same: 128.

Also it would be useful to find out what exactly triggers the noise... Is it reading any particular file (not exactly the last one)?

No, not the last -- all files. The last one has to be big. Naive analogy -- with runner speeding up, with enough distance to speed up it is harder to stop then.

Or how long after copying does the sound appear?

Immediately.

Maybe you could try running blktrace just after the copying finished (or during the end of it) so that we can see whether kernel sends some commands to the drive which make the noise or what.

I will do it, I just need to find out how to use it. Also I test 11.2 but I have to wait for another pendrive (one I keep solely for 10.3 for testing). -- 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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c8 Maciej Pilichowski changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|bluedzins@wp.pl | --- Comment #8 from Maciej Pilichowski 2009-11-29 20:13:46 UTC --- Created an attachment (id=329921) --> (http://bugzilla.novell.com/attachment.cgi?id=329921) blktrace.1 I hope the archive with logs is OK. The noise this time (probably because of blktrace running) was shorter than "normally". -- 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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c10 --- Comment #10 from Maciej Pilichowski 2009-11-29 20:55:54 UTC --- Created an attachment (id=329924) --> (http://bugzilla.novell.com/attachment.cgi?id=329924) blktrace.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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c12 Tejun Heo changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Info Provider| |bluedzins@wp.pl --- Comment #12 from Tejun Heo 2009-11-30 08:46:22 UTC --- midnight commander is constantly generating small IOs. IO elevator merges them and executes them several times a second usually. If the drive is trying to unload head aggressively this can easily lead to rapidly increasing load cycle count. Can you please kill mc and see whether the problem persists? Thanks. -- 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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c14 --- Comment #14 from Tejun Heo 2009-11-30 12:52:37 UTC --- Ah... I got confused about which bug report this was. Thought this was about rapidly increasing load cycle count on a hard drive. Was wondering why I was seeing media presence polling. :-) Sorry about that. So, copying with cp makes much less noise? Two things come to my mind. 1. Optical drives work faster as they go near the end of the media due to higher linear speed. 2. If the host doesn't consume the data fast enough, the drive will overflow the buffer and have to re-seek the data which may cause some noise. Different drives will cope with situations like this differently. If you do "dd if=file_to_copy of=/dev/null bs=16M iflag=direct", does it make the noise? -- 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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c16 --- Comment #16 from Maciej Pilichowski 2009-11-30 17:08:51 UTC --- I have problem with executing dd command: dd if=Mutual\ Cuts\ in\ Graphs\:\ Learning\ in\ Bioinformatics\ \(Kristiaan\ Pelckmans\).wmv of=/dev/null bs=16M iflag=direct gives me an error: dd: opening `Mutual Cuts in Graphs: Learning in Bioinformatics (Kristiaan Pelckmans).wmv': Invalid argument cat on the other hand works: cat Mutual\ Cuts\ in\ Graphs\:\ Learning\ in\ Bioinformatics\ \(Kristiaan\ Pelckmans\).wmv > /dev/null but now together with dd cat Mutual\ Cuts\ in\ Graphs\:\ Learning\ in\ Bioinformatics\ \(Kristiaan\ Pelckmans\).wmv | dd of=/dev/null bs=16M iflag=direct dd: setting flags for `standard input': Invalid argument What can I do? -- 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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c18 --- Comment #18 from Maciej Pilichowski 2009-12-02 08:54:49 UTC --- Ok, this time it worked -- as with normal copy, after file (the last one) was copied there was cracking noise. And one more test -- copying also single file but from the middle. No cracking sound. -- 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=537056 http://bugzilla.novell.com/show_bug.cgi?id=537056#c20 --- Comment #20 from Maciej Pilichowski 2009-12-02 20:21:05 UTC --- The "last" file has to be involved, and if it is the only file it has to be big. I copy entire disk to make sure to reproduce this issue and I noticed that the disc is speeded up at 2nd file. If for now this seems unfixable, maybe we close this as RESOLVED/LATER and focus on the noise on automount -- that is more important because: a) with this issue I can stop it by unmounting disc b) with the other issue (automount) I cannot interrupt it in any way and it last much, much longer (more than 3 minutes!) b) the other report is more general -- it does not depend how big files are, nothing, just ISO9660 disc and mode of mounting --> auto -- 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=537056 https://bugzilla.novell.com/show_bug.cgi?id=537056#c Bug 537056 depends on bug 557565, which changed state. Bug 557565 Summary: mounting dvd disc in auto mode is killing the drive http://bugzilla.novell.com/show_bug.cgi?id=557565 What |Old Value |New Value ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Status|NEEDINFO |NEW Status|NEW |NEEDINFO Status|NEEDINFO |NEW Status|NEW |RESOLVED Resolution| |WONTFIX -- 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.