kernel November 2007

kernel@lists.fedoraproject.org

18 participants
16 discussions

Automating build of stable kernel release candidates
by Chuck Ebbert 29 Nov '07

29 Nov '07

There are some manual hacks in the kernel specfile now for building stable release candidates. However, kernel 2.6.23.9-rc1 ends up being released as 2.6.23.8-NN because we don't have a good way to change the version. This update automates that; the only question is whether we should label the built kernel as an -rc. I didn't add that part, and the changes are untested: --- kernel.spec 29 Nov 2007 00:25:06 -0000 1.279 +++ kernel.spec 29 Nov 2007 22:45:41 -0000 @@ -34,6 +34,15 @@ %if 0%{?released_kernel} # Do we have a 2.6.21.y update to apply? %define stable_update 9 +# Do we have a stable RC update to apply? +%define stable_rc 0 +# Stable rc patches are incremental against the previous -stable +# If this is an rc we need the previous stable patch too +%if 0%{?stable_rc} +%define stable_base %(expr %{stable_update} - 1) +%else +%define stable_base %{stable_update} +%endif # Set rpm version accordingly %if 0%{?stable_update} %define stablerev .%{stable_update} @@ -534,8 +543,12 @@ # Here should be only the patches up to the upstream canonical Linus tree. # For a stable release kernel -%if 0%{?stable_update} -Patch00: patch-2.6.%{base_sublevel}.%{stable_update}.bz2 +%if 0%{?stable_base} +Patch00: patch-2.6.%{base_sublevel}.%{stable_base}.bz2 +%endif +%if 0%{?stable_rc} +Patch01: patch-2.6.%{base_sublevel}.%{stable_update}-rc%{stable_rc}.bz2 +%endif # non-released_kernel case # These are automagically defined by the rcrev and gitrev values set up @@ -1006,8 +1019,12 @@ # Update to latest upstream. # released_kernel with stable_update available case -%if 0%{?stable_update} -ApplyPatch patch-2.6.%{base_sublevel}.%{stable_update}.bz2 +%if 0%{?stable_base} +ApplyPatch patch-2.6.%{base_sublevel}.%{stable_base}.bz2 +%endif +%if 0%{?stable_rc} +ApplyPatch patch-2.6.%{base_sublevel}.%{stable_update}-rc%{stable_rc}.bz2 +%endif # non-released_kernel case %else

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i686 build on x86_64 fails
by Pete Zaitcev 28 Nov '07

28 Nov '07

Just FYI, I found that it's not possible to build an i686 kernel on x86_64 (in 2.6.23.1-42.fc8), because this happens: + gcc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=generic -fasynchronous-unwind-tables -o scripts/modsign/mod-extract scripts/modsign/mod-extract.c In file included from /usr/include/features.h:359, from /usr/include/stdio.h:28, from scripts/modsign/mod-extract.c:12: /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory It's not important why stubs-32.h does not exist in glibc-headers. The problem is using -m32 for a host executable, because the kernel.spec has this: gcc $RPM_OPT_FLAGS -o scripts/modsign/mod-extract scripts/modsign/mod-extract.c I suspect that hardcoding gcc -O would work just dandily, but on the other hand it's unclear if we want to bother fixing it. Thoughts? -- Pete

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Re: rpms/kernel/devel kernel.spec,1.251,1.252 config-generic,1.42,1.43
by Dave Jones 26 Nov '07

26 Nov '07

On Mon, Nov 26, 2007 at 07:37:34AM -0500, David Woodhouse wrote: > -# CONFIG_LIBERTAS is not set > - > +CONFIG_LIBERTAS=m > +CONFIG_LIBERTAS_USB=m > +CONFIG_LIBERTAS_CS=m > +CONFIG_LIBERTAS_SDIO=m > +CONFIG_LIBERTAS_DEBUG=y This is probably better placed in a per-arch override rather than building it everywhere no? Dave -- http://www.codemonkey.org.uk

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Kernel seems to crash in a xen environment and using crossover-office
by Daniel Rindt 23 Nov '07

23 Nov '07

Hello Listmembers, iam running Fedora 8 into a Xen Environment. My Kernel on the domU is 2.6.21-2950.fc8xen. This domU has 1024M of Ram assigned. When iam starting the Crossover Installer Wizard and choose Install Internet Explorer 6 SP1 then the Kernel seems to crash. With the virt-manager i had taken a Screenshot from the console, he is attached. If iam lowering the Memory to 512M the Crash comes later in the Setup or using. Additionally i found these messages too: === 8< === 4gb seg fixup, process exe (pid 2457), cs:ip 73:0804d5a1 4gb seg fixup, process exe (pid 2457), cs:ip 73:0804d5a1 4gb seg fixup, process exe (pid 2457), cs:ip 73:00aea736 4gb seg fixup, process exe (pid 2457), cs:ip 73:0804d596 4gb seg fixup, process exe (pid 2457), cs:ip 73:00aebcb0 4gb seg fixup, process exe (pid 2457), cs:ip 73:0804d5a1 4gb seg fixup, process exe (pid 2457), cs:ip 73:00aea736 4gb seg fixup, process exe (pid 2457), cs:ip 73:0804d5a1 4gb seg fixup, process exe (pid 2457), cs:ip 73:00c153e7 4gb seg fixup, process exe (pid 2457), cs:ip 73:0804d596 printk: 171 messages suppressed. === 8< === If iam using some Windows Software with Crossover then i found after 2-4 minutes the following in my dmesg: === 8< === 4gb seg fixup, process wine-pthread (pid 2857), cs:ip 73:741dfb5a printk: 164944 messages suppressed. === 8< === the problem can definitly influenced through the memory dimensioning. I dont know why the machine knows that he had 4G of memory at all. In hope for answer and suggestions how to avoid/ solve that - many thanks in advance. Thanks for reading this mail. -Daniel P.S.: i had do a xm dump-core, its bzipped now so i can provide it if someone request it for analyzing.

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Review requested: Custom Kernel Doc updated
by Sam Folk-Williams 20 Nov '07

20 Nov '07

Hi, I have updated http://fedoraproject.org/wiki/Docs/CustomKernel for F8. Would appreciate a technical review. The section on building only modules has not been updated - if anyone has any comments on that, much appreciated. Any suggestions welcome. Thanks, Sam

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ALSA versions in the Fedora kernel
by Chuck Ebbert 19 Nov '07

19 Nov '07

Here's a proposal for what version of ALSA we deliver with our kernel: Fedora 7 will stay with the version it has, 1.0.14, which is being maintained with stable patches by the ALSA team. Fedora 8 will stay with 1.0.15 and only merge carefully selected bug fixes from upstream ALSA. Fedora 9 / devel will track upstream ALSA development so we can shake out bugs as soon as possible. This can be done by carrying the git-alsa-mm patch from the -mm kernel.

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Install hang on a Dell PowerEdge SC1430
by Steve Dickson 16 Nov '07

16 Nov '07

Are there known issues with F8 (and F7) being installed on PowerEdges? Booting from DVD (and CDs) I get the following three lines than nothing... Loading Vmlinuz........ Loading initrd.img..... Read. This happens with both x86 and x86_64 installs from DVD of either F8 or F7. I also tried burning the boot.iso from the DVD to a CD and boot from that with the same results. Being this is pretty broken, I'm hoping this is a known problem and there is some type of workaround. tia, steved.

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vanilla/ changes in devel.
by Dave Jones 16 Nov '07

16 Nov '07

I just checked something into devel/ that changes how we 'make prep'. Before, under kernel-2.6.23/ we had a vanilla dir and a fedora-patched dir called linux-2.6.23.noarch The vanilla dir used to be just the unpacked tarball. With the change I just checked in, that dir is now patched up to the latest upstream (ie, 2.6.24rc2-git5 right now). This speeds up subsequent make preps quite a bit as the -rc's increase in size. The downside (and reason for this heads up) is that anyone with an existing checkout will find that make prep will now fail to apply patches as the specfile expects vanilla in the new form. rm -rf kernel-2.6.23 and make prep again, and it'll all just work out. Dave -- http://www.codemonkey.org.uk

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How to change the number of processors in a 16-core machine
by Feng Xian 15 Nov '07

15 Nov '07

Hi, I am doing a scalable test on a 16-core machine (8 dual-core amd processors). So I need to vary the processors from 1 to 16. But I couldnt remove the cores from motherboard. Is there any way to achieve this by changing the max number of processors in the kernel? Thanks!

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How can I develop loadable module for Fedora 7 and later?
by Cary Fu 14 Nov '07

14 Nov '07

When I tried to build a loadable module for Fedora 7, there are lots of error warning came up regarding the line of #include <linux/module.h>. Is there anyone knows where can I find the information about making a loadable module for Fedora 7. Thanks in advance for any input. Cary Fu

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sparse 0.4.1
by Roland McGrath 14 Nov '07

14 Nov '07

Dave asked me to ping when sparse got updated. 0.4.1 is built, [78] updates should get pushed RSN. This presumably works with the kernel source again.

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I WANT TO INVEST IN YOUR COUNTRY, CAN YOU ASSIST ME?
by Susan Smith 14 Nov '07

14 Nov '07

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Adding a pointrelease option to the spec
by Chuck Ebbert 13 Nov '07

13 Nov '07

This might be useful for people building their own kernels: --- kernel.spec 12 Nov 2007 22:05:50 -0000 1.237 +++ kernel.spec 13 Nov 2007 17:05:39 -0000 @@ -12,7 +12,16 @@ # that the kernel isn't the stock distribution kernel, for example, # by setting the define to ".local" or ".bz123456" # +# You may also add a "pointrelease" with or without the "buildid" +# so that your locally built kernel gets a version number that +# is higher than the kernel it is based on and lower than the +# next offical Fedora release. +# #% define buildid .local +#% define pointrelease .1 +%if 0{?pointrelease} +%define buildid {pointrelease}{?buildid} +%endif # fedora_build defines which build revision of this kernel version we're # building. Rather than incrementing forever, as with the prior versioning

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help! My re-compiled kernel always got crashed in a machine with scsi/sata disk
by Feng Xian 13 Nov '07

13 Nov '07

Thanks for all your help. I ran into another problem. My 16-core machine has a scsi/sata disk. I have enabled all important features related with scsi and sata. I built 2.6.23 kernel on this machine. But the kernel always got crashed randomly. Sometimes it couldnot even boot, reporting some random errors, like "segment violation, sleep for 40 seconds", or "Group volume VolGroup00 uses lvm2 metadata: read-only", then jump to a strange login window that I cannot log in using my root password. Another thing is that Linux works perfect if I installed Fecore Core 7 on this multi-core machine with scsi/sata disk. Why it didnt work if I used re-compiled kernel. I guess it is because I didnt config kernel right (although I enabled all important features related with scsi/sata) in "make menuconfig". If you happen to know how to enable scsi/sata features correctly, please let me know. Thanks! Below is my grub.conf related to 2.6.23 kernel. # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /boot/, eg. # root (hd0,0) # kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00 # initrd /initrd-version.img #boot=/dev/sda default=1 timeout=5 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Fedora (2.6.20) root (hd0,0) kernel /vmlinuz-2.6.20 ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.20.img

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How to build smp kernel
by Feng Xian 11 Nov '07

11 Nov '07

Hi, I had a 16-core machine and tried to build a smp version of linux-2.6.23 kernel. I did the following steps: 1. make menuconfig ( actually I didt change the configuration since it builds SMP support by default) 2. make; make modules; make modules_install; make install But the final image file is vmlinuz-2.6.23, not vmlinuz-2.6.23smp. Is this final image a real smp kernel? If not, do i need to apply patches. Thanks! Feng -- Addr: 1025N, 23rd str, APT 33, Lincoln, NE, 68503 Phone: (402)310-9826 WWW: cse.unl.edu/~fxian

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hello!
by am kara 10 Nov '07

10 Nov '07

Dear Sir/Madam, I am looking for a patch or a new code for Fast Ethernet Controller physical driver located at drivers/net/e100.c, Linux kernel 2.6.23, with Large Send Support(TCP Segmentation Offload), adaptor: Intel PRO/100 M,82551QM. I wonder if you know such driver exist and where to obtain its source code. Thank you to read my email, Am Kara. PS. My email is: am_kara(a)yahoo.com __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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kernel November 2007