kernel November 2008

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15 participants
13 discussions

Doctor List
by Campos fogy 28 Nov '08

28 Nov '08

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why su -c 'yum install rpmdevtools' Processing Dependency failed ?
by xkdcc 26 Nov '08

26 Nov '08

I want to build my kernel on Fedora. But when I install rpmdevtolls in advanced, I met problems: # uname -a # Linux fdvm.brantdomain 2.6.18-1.2798.fc6 #1 SMP x86_64 GNU/Linux # yum install rpmdevtools ...... Error: --> Processing Dependency: elfutils-libelf = 0.123-1.fc6 package: elfutils-libelf-devel --> Finished Dependency Resolution Error: elfutils-libelf conflicts with elfutils > 0.123-1.fc6 Error: elfutils-libelf conflicts with elfutils-libs > 0.123-1.fc6 Error: Missing Dependency: elfutils-libelf = 0.123-1.fc6 is needed by package elfutils-libelf-devel Please help me out. Thanks.

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7238 pro Monat ist erreichbar
by Mirabelle vollmar 23 Nov '08

23 Nov '08

Anlieferer gesucht!!! Auch fuer Fruehrentner geeignet! Ein Fahrzeug kann gestellt werden. Bewerbung bitte an ulfmute(a)mail.kz

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dt79dt79
by qq 23 Nov '08

23 Nov '08

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Lustre and Fedora 9
by Ted Sume Nzuonkwelle 21 Nov '08

21 Nov '08

Hi, Has anyone attempted to patch a fedora 9 kernel with support for the Lustre filesystem?? If so i would like to know what your experiences were....... Thks - Ted Sume University of Colorado

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Boot issues on fedora 9
by Luca Foppiano 16 Nov '08

16 Nov '08

Hi, I found this list few days ago and I tried bootchart on my laptop. I have a dell D630 with Fedora 9 (updated from fedora 8 with anaconda). My actual kernel is the last 64 bit (2.6.27), updated yesterday: [lfoppiano@sboing ~]$ uname -a Linux sboing.byte-code.lan 2.6.27.5-37.fc9.x86_64 #1 SMP Wed Nov 12 18:31:37 EST 2008 x86_64 x86_64 x86_64 GNU/Linux I tried bootchart and I got a lot of strange things: - nash is slow (it takes about 20 second to inizialize itself) - there are a lot of "grep" and bash launched after udevd I don't have idea why my chart is as is, but, using kernel verbosity (removing quiet) on the kernel option, I noted it needed more than 10 second to load the SATA driver. I attached to you bootchart chart and kernel log from /var/log/messages I don't know if the problem is the kernel configuration/build or something else (maybe my configuration should be cleaned) but I'm try to fix it without reinstall fedora. ;-) Thanks Luca

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Re: Kernel failure
by Kyle McMartin 13 Nov '08

13 Nov '08

On Sat, Nov 08, 2008 at 02:50:39PM +0000, Timothy Murphy wrote: > Is everyone getting a "Kernel failure" message > with the latest kernel, 2.6.27.4-79.fc10.i686 ? > I haven't noticed any adverse effect from it. > (I did send the back-trace as requested.) > > I notice that following the backtrace in /var/log/messages > it says > > Nov 8 14:22:21 carrie kernel: > kobject_add_internal failed for 1 with -EEXIST, > don't try to register things with the same name in the same directory. > > But I have no idea what this means. > It would be helpful if you could attach a bit more of the context around this. There should be a bit of spew with it that would help us debug it. regards, Kyle

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Re: ACPI: AE_NOT_FOUND error and patch in 2.6.28-rc1
by Kyle McMartin 12 Nov '08

12 Nov '08

On Wed, Nov 05, 2008 at 09:33:47PM +0100, Joshua C. wrote: > Can the following commit be merged in the release kernel for fedora 10: > > commit 20edd74fcf9ad02c19efba0c13670a7b6b045099 > Author: Zhao Yakui <yakui.zhao(a)intel.com> > Date: Fri Oct 17 02:02:44 2008 -0400 > > ACPI: Ignore AE_NOT_FOUND error of EC _REG method and continue to > initialize EC > > it is about RH https://bugzilla.redhat.com/show_bug.cgi?id=435653 and > http://bugzilla.kernel.org/show_bug.cgi?id=8953 > http://bugzilla.kernel.org/show_bug.cgi?id=10237 > > It'll be nice to have this in the release version of fedora 10. > Would be good to email a list that kernel people might actually see, but it has been merged now. r, Kyle

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Klitzekleiner Zeitaufwand, der Moneten bringt
by Philomena gries 09 Nov '08

09 Nov '08

Beschaeftigung zu verdienen!!! josephvllnv(a)gmail.com

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Review? last-minute f10 change for ext4
by Eric Sandeen 07 Nov '08

07 Nov '08

AFAICS, these 2 changes only affect ext4. But since it's in mm/page-writeback.c, I'd sure like another set of eyes to be sure I'm not dragged into the streets for breaking F10 at the last minute in an effort to get one final ext4 update into the release... Out of an abundance of caution... anyone care to give me a little cover? :) Thanks, -Eric From: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet.ibm.com> Date: Tue, 14 Oct 2008 13:21:02 +0000 (-0400) Subject: vfs: Remove the range_cont writeback mode. X-Git-Tag: v2.6.28-rc1~257^2~8 X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=… vfs: Remove the range_cont writeback mode. Ext4 was the only user of range_cont writeback mode and ext4 switched to a different method. So remove the range_cont mode which is not used in the kernel. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso(a)mit.edu> CC: linux-fsdevel(a)vger.kernel.org --- From: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet.ibm.com> Date: Thu, 16 Oct 2008 14:09:17 +0000 (-0400) Subject: vfs: Add no_nrwrite_index_update writeback control flag X-Git-Tag: v2.6.28-rc1~257^2~7 X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=… vfs: Add no_nrwrite_index_update writeback control flag If no_nrwrite_index_update is set we don't update nr_to_write and address space writeback_index in write_cache_pages. This change enables a file system to skip these updates in write_cache_pages and do them in the writepages() callback. This patch will be followed by an ext4 patch that make use of these new flags. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar(a)linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso(a)mit.edu> CC: linux-fsdevel(a)vger.kernel.org --- Index: linux-2.6.27.noarch/include/linux/writeback.h =================================================================== --- linux-2.6.27.noarch.orig/include/linux/writeback.h 2008-10-09 17:13:53.000000000 -0500 +++ linux-2.6.27.noarch/include/linux/writeback.h 2008-11-07 15:16:16.420063484 -0600 @@ -63,7 +63,15 @@ struct writeback_control { unsigned for_writepages:1; /* This is a writepages() call */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned more_io:1; /* more io to be dispatched */ - unsigned range_cont:1; + /* + * write_cache_pages() won't update wbc->nr_to_write and + * mapping->writeback_index if no_nrwrite_index_update + * is set. write_cache_pages() may write more than we + * requested and we want to make sure nr_to_write and + * writeback_index are updated in a consistent manner + * so we use a single control to update them + */ + unsigned no_nrwrite_index_update:1; }; /* Index: linux-2.6.27.noarch/mm/page-writeback.c =================================================================== --- linux-2.6.27.noarch.orig/mm/page-writeback.c 2008-10-09 17:13:53.000000000 -0500 +++ linux-2.6.27.noarch/mm/page-writeback.c 2008-11-07 15:16:16.422063553 -0600 @@ -876,6 +876,7 @@ int write_cache_pages(struct address_spa pgoff_t end; /* Inclusive */ int scanned = 0; int range_whole = 0; + long nr_to_write = wbc->nr_to_write; if (wbc->nonblocking && bdi_write_congested(bdi)) { wbc->encountered_congestion = 1; @@ -939,7 +940,7 @@ retry: unlock_page(page); ret = 0; } - if (ret || (--(wbc->nr_to_write) <= 0)) + if (ret || (--nr_to_write <= 0)) done = 1; if (wbc->nonblocking && bdi_write_congested(bdi)) { wbc->encountered_congestion = 1; @@ -958,11 +959,12 @@ retry: index = 0; goto retry; } - if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) - mapping->writeback_index = index; + if (!wbc->no_nrwrite_index_update) { + if (wbc->range_cyclic || (range_whole && nr_to_write > 0)) + mapping->writeback_index = index; + wbc->nr_to_write = nr_to_write; + } - if (wbc->range_cont) - wbc->range_start = index << PAGE_CACHE_SHIFT; return ret; } EXPORT_SYMBOL(write_cache_pages);

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kernel November 2008