Official thread: "zen-sources" - Part 6

[tranquilcool]

my box with async is booting with no hitches.

[cheater1034]

Works for me too, with async.

compcache working:

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cc zen-sources # cat /proc/swaps
Filename                                Type            Size    Used    Priority
/dev/ramzswap0                          partition       1006940 540     1
/dev/sdb2                               partition       987988  0       -1

Someone says on zen-sources.org that with CONFIG_ASYNC it panics, but without it works for them. Since they didn't give me any sufficient information, and since it's a kconfig and you can disable it anyway. I'll just tag it async as experimental and release zen5 soon.

[ponciarello]

it's me: if you can tell me how to get dmesg when it panics at boot or if you need other infos I'll be glad to post it.
sorry in advance for my n00biness: you mean a photo?
here it is http://img293.imageshack.us/img293/8735/pippoiw4.jpg

no prob to have it disabled too (I hope I'm the only one with this problem)

[cheater1034]

please pull, there is a fix that may fix that problem.

Let me know,
Thanks

(yes that picture was what i wanted )

[ponciarello]

http://img164.imageshack.us/img164/6365/pippojz0.jpg

sorry I got a really bad cam.

[Vlad.Sharp]

I've started getting random segfaults (of cp mainly it seems, unless I do not understand the log format) ever since 2.6.28-zen1. In particular, quite a few programs would fail to emerge (because cp was broken it seemed), but always at the same location (per program). This rendered the system less than usable, but now I've updated to -zen5 (or the beginnings of it) the issue seems to have become better. See below for what I mean:

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[23653.259417] cp[13862]: segfault at 1 ip 00007fcca3a6cfd0 sp 00007fffac36c358 error 4 in libc-2.9.so[7fcca39f2000+14b000]
[23653.288465] cp[13863]: segfault at 1 ip 00007f71d82b5fd0 sp 00007fffe0bb5ba8 error 4 in libc-2.9.so[7f71d823b000+14b000]
[23717.958416] cp[26510]: segfault at 1 ip 00007f632fc96fd0 sp 00007fff385964a8 error 4 in libc-2.9.so[7f632fc1c000+14b000]
[23718.035644] cp[26520]: segfault at 1 ip 00007f060ad73fd0 sp 00007fff136754c8 error 4 in libc-2.9.so[7f060acf9000+14b000]
[23718.078562] cp[26521]: segfault at 1 ip 00007f4401140fd0 sp 00007fff09a42898 error 4 in libc-2.9.so[7f44010c6000+14b000]
[23777.913177] cp[2720]: segfault at 1 ip 00007f8a9d05dfd0 sp 00007fffa595f918 error 4 in libc-2.9.so[7f8a9cfe3000+14b000]
[23777.919929] cp[2721]: segfault at 1 ip 00007fb73f070fd0 sp 00007fff47972928 error 4 in libc-2.9.so[7fb73eff6000+14b000]
[23849.668529] cp[9324]: segfault at 1 ip 00007f2972bbafd0 sp 00007fff7b4bc258 error 4 in libc-2.9.so[7f2972b40000+14b000]
[23849.687168] cp[9325]: segfault at 1 ip 00007ffd3e3e0fd0 sp 00007fff46ce0a88 error 4 in libc-2.9.so[7ffd3e366000+14b000]
[23903.752657] cp[15673]: segfault at 1 ip 00007fcd49e06fd0 sp 00007fff527065e8 error 4 in libc-2.9.so[7fcd49d8c000+14b000]
[23903.764281] cp[15674]: segfault at 1 ip 00007fb0dfb25fd0 sp 00007fffe8425308 error 4 in libc-2.9.so[7fb0dfaab000+14b000]
[23955.352025] cp[23808]: segfault at 1 ip 00007f9de6f71fd0 sp 00007fffef873728 error 4 in libc-2.9.so[7f9de6ef7000+14b000]
[23955.360404] cp[23809]: segfault at 1 ip 00007f389c115fd0 sp 00007fffa4a158c8 error 4 in libc-2.9.so[7f389c09b000+14b000]
[23990.225998] cp[27824]: segfault at 1 ip 00007faf90d9dfd0 sp 00007fff9969f608 error 4 in libc-2.9.so[7faf90d23000+14b000]
[23990.244111] cp[27825]: segfault at 1 ip 00007f8f3dfd1fd0 sp 00007fff468d1848 error 4 in libc-2.9.so[7f8f3df57000+14b000]
[24064.358201] cp[5881]: segfault at 1 ip 00007f61fce20fd0 sp 00007fff05722688 error 4 in libc-2.9.so[7f61fcda6000+14b000]
[24064.394553] cp[5882]: segfault at 1 ip 00007f95212e4fd0 sp 00007fff29be6b58 error 4 in libc-2.9.so[7f952126a000+14b000]
[24228.035795] cp[17004]: segfault at 1 ip 00007fd14398ffd0 sp 00007fff4c28f248 error 4 in libc-2.9.so[7fd143915000+14b000]
[24228.043898] cp[17005]: segfault at 1 ip 00007f09cf234fd0 sp 00007fffd7b36ae8 error 4 in libc-2.9.so[7f09cf1ba000+14b000]

But now, no emerges seem to fail (just recompiled KDE 4.2 to RC1 and it seems to function fine). I wouldn't be worried if this was all, however after downloading a x86_64 nightly build of Firefox-3.1b3_pre, it segfaults on start, with the following message:

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*** glibc detected *** ./firefox-bin: free(): invalid pointer: 0x00007f317041c0c0 ***
======= Backtrace: =========                                                         
/lib/libc.so.6[0x7f31772a0468]                                                       
/lib/libc.so.6(cfree+0x76)[0x7f31772a1fa6]                                           
//usr/lib64/opengl/nvidia/lib/libnvidia-tls.so.1[0x7f317c2d0a2b]                     
======= Memory map: ========                                                         
00400000-00410000 r-xp 00000000 fc:08 39727073                           /usr/portage-distfiles/firefox-current/firefox/firefox-bin
0060f000-00610000 rw-p 0000f000 fc:08 39727073                           /usr/portage-distfiles/firefox-current/firefox/firefox-bin
00610000-00611000 rw-p 00610000 00:00 0                                                                                            
40dd9000-40ddb000 rwxp 00000000 00:0f 7787                               /dev/zero                                                 
7f3170300000-7f3170600000 rw-p 7f3170300000 00:00 0                                                                                
7f31706c6000-7f31707c6000 rw-p 7f31706c6000 00:00 0                                                                                
7f31707c6000-7f31707ca000 r-xp 00000000 fc:03 8429826                    /lib64/libuuid.so.1.2                                     
7f31707ca000-7f31709c9000 ---p 00004000 fc:03 8429826                    /lib64/libuuid.so.1.2                                     
7f31709c9000-7f31709ca000 r--p 00003000 fc:03 8429826                    /lib64/libuuid.so.1.2                                     
7f31709ca000-7f31709cb000 rw-p 00004000 fc:03 8429826                    /lib64/libuuid.so.1.2                                     
7f31709cb000-7f31716f2000 r-xp 00000000 fc:08 33651047                   /usr/lib64/opengl/nvidia/lib/libGLcore.so.180.22          
7f31716f2000-7f31717f1000 ---p 00d27000 fc:08 33651047                   /usr/lib64/opengl/nvidia/lib/libGLcore.so.180.22          
7f31717f1000-7f3171c16000 rwxp 00d26000 fc:08 33651047                   /usr/lib64/opengl/nvidia/lib/libGLcore.so.180.22          
7f3171c16000-7f3171c27000 rwxp 7f3171c16000 00:00 0                                                                                
7f3171c27000-7f3171c3e000 r-xp 00000000 fc:08 785                        /usr/lib64/libICE.so.6.3.0                                
7f3171c3e000-7f3171e3e000 ---p 00017000 fc:08 785                        /usr/lib64/libICE.so.6.3.0                                
7f3171e3e000-7f3171e3f000 r--p 00017000 fc:08 785                        /usr/lib64/libICE.so.6.3.0                                
7f3171e3f000-7f3171e40000 rw-p 00018000 fc:08 785                        /usr/lib64/libICE.so.6.3.0                                
7f3171e40000-7f3171e44000 rw-p 7f3171e40000 00:00 0                                                                                
7f3171e44000-7f3171e4c000 r-xp 00000000 fc:08 691631                     /usr/lib64/libSM.so.6.0.0                                 
7f3171e4c000-7f317204b000 ---p 00008000 fc:08 691631                     /usr/lib64/libSM.so.6.0.0
7f317204b000-7f317204c000 r--p 00007000 fc:08 691631                     /usr/lib64/libSM.so.6.0.0
7f317204c000-7f317204d000 rw-p 00008000 fc:08 691631                     /usr/lib64/libSM.so.6.0.0
7f317204d000-7f3172062000 r-xp 00000000 fc:03 8430264                    /lib64/libnsl-2.9.so
7f3172062000-7f3172261000 ---p 00015000 fc:03 8430264                    /lib64/libnsl-2.9.so
7f3172261000-7f3172262000 r--p 00014000 fc:03 8430264                    /lib64/libnsl-2.9.so
7f3172262000-7f3172263000 rw-p 00015000 fc:03 8430264                    /lib64/libnsl-2.9.so
7f3172263000-7f3172265000 rw-p 7f3172263000 00:00 0
7f3172265000-7f317226d000 r-xp 00000000 fc:03 8430258                    /lib64/librt-2.9.so
7f317226d000-7f317246c000 ---p 00008000 fc:03 8430258                    /lib64/librt-2.9.so
7f317246c000-7f317246d000 r--p 00007000 fc:03 8430258                    /lib64/librt-2.9.so
7f317246d000-7f317246e000 rw-p 00008000 fc:03 8430258                    /lib64/librt-2.9.so
7f317246e000-7f3172495000 r-xp 00000000 fc:08 705949                     /usr/lib64/libexpat.so.1.5.2
7f3172495000-7f3172695000 ---p 00027000 fc:08 705949                     /usr/lib64/libexpat.so.1.5.2
7f3172695000-7f3172697000 r--p 00027000 fc:08 705949                     /usr/lib64/libexpat.so.1.5.2
7f3172697000-7f3172698000 rw-p 00029000 fc:08 705949                     /usr/lib64/libexpat.so.1.5.2
7f3172698000-7f31726ad000 r-xp 00000000 fc:03 8430240                    /lib64/libz.so.1.2.3
7f31726ad000-7f31728ac000 ---p 00015000 fc:03 8430240                    /lib64/libz.so.1.2.3
7f31728ac000-7f31728ad000 r--p 00014000 fc:03 8430240                    /lib64/libz.so.1.2.3
7f31728ad000-7f31728ae000 rw-p 00015000 fc:03 8430240                    /lib64/libz.so.1.2.3
7f31728ae000-7f3172920000 r-xp 00000000 fc:08 573928                     /usr/lib64/libgio-2.0.so.0.1800.3
7f3172920000-7f3172b20000 ---p 00072000 fc:08 573928                     /usr/lib64/libgio-2.0.so.0.1800.3
7f3172b20000-7f3172b22000 r--p 00072000 fc:08 573928                     /usr/lib64/libgio-2.0.so.0.1800.3
7f3172b22000-7f3172b23000 rw-p 00074000 fc:08 573928                     /usr/lib64/libgio-2.0.so.0.1800.3
7f3172b23000-7f3172b24000 rw-p 7f3172b23000 00:00 0
7f3172b24000-7f3172b29000 r-xp 00000000 fc:08 173578                     /usr/lib64/libXdmcp.so.6.0.0
7f3172b29000-7f3172d28000 ---p 00005000 fc:08 173578                     /usr/lib64/libXdmcp.so.6.0.0
7f3172d28000-7f3172d29000 r--p 00004000 fc:08 173578                     /usr/lib64/libXdmcp.so.6.0.0
7f3172d29000-7f3172d2a000 rw-p 00005000 fc:08 173578                     /usr/lib64/libXdmcp.so.6.0.0
7f3172d2a000-7f3172d2c000 r-xp 00000000 fc:08 288689                     /usr/lib64/libXau.so.6.0.0
7f3172d2c000-7f3172f2b000 ---p 00002000 fc:08 288689                     /usr/lib64/libXau.so.6.0.0
7f3172f2b000-7f3172f2c000 r--p 00001000 fc:08 288689                     /usr/lib64/libXau.so.6.0.0
7f3172f2c000-7f3172f2d000 rw-p 00002000 fc:08 288689                     /usr/lib64/libXau.so.6.0.0
7f3172f2d000-7f3172f49000 r-xp 00000000 fc:08 1627476        ./run-mozilla.sh: line 131: 23521 Aborted                 "$prog" ${1+"$@"}

Also, in dmesg, the following familiar lines appear:

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[24944.236586] cp[19121]: segfault at 1 ip 00007fb4ab76bfd0 sp 00007fffb406af78 error 4 in libc-2.9.so[7fb4ab6f1000+14b000]
[24944.305104] cp[19132]: segfault at 1 ip 00007f4fae652fd0 sp 00007fffb6f52de8 error 4 in libc-2.9.so[7f4fae5d8000+14b000]
[24944.315786] cp[19133]: segfault at 1 ip 00007fa2239f8fd0 sp 00007fff2c2f8188 error 4 in libc-2.9.so[7fa22397e000+14b000]

Using the "master" branch, commit 75e8d198759c682b92f7858c3cd0fcd91d591b17 as the source of the kernel, nvidia drivers 180.22, glibc 2.9_p20081201-r1

I could reboot into the 2.6.27-zen2 kernel I have and try exactly the same thing, if that helps (with the same driver version, et. cetera.)

[kernelOfTruth]

you by chance are using reiser4 ?

[Vlad.Sharp]

you by chance are using reiser4 ?

No (when I did, more than half a year ago now, there were worser issues so I switched to), xfs. I must add I've enabled heap randomisation and disabled the compat VDSO (but I doubt cp itself has an overflow bug)

[cheater1034]

You sure that's a kernel problem?

I'd run linus for awhile and see if you can reproduce the same thing. It could be hardware failure (run memtest to find out), or something else local?

[kernelOfTruth]

thanks for adding slqb, I'll test it ASAP

[mroconnor]

I have compiled last night with slqb and it seems to run fine but I have no way of determining if it is better the SLUB or not. For that matter I dont know what the difference is at all LOL.

[tranquilcool]

reiser4 errors with latest pull;


CC fs/reiser4/plugin/file_plugin_common.o
fs/reiser4/plugin/file_plugin_common.c: In function ‘set_plug_in_inode_common’:
fs/reiser4/plugin/file_plugin_common.c:64: error: ‘struct task_struct’ has no member named ‘fsuid’
fs/reiser4/plugin/file_plugin_common.c:78: error: ‘struct task_struct’ has no member named ‘fsgid’
make[2]: *** [fs/reiser4/plugin/file_plugin_common.o] Error 1
make[1]: *** [fs/reiser4] Error 2
make: *** [fs] Error 2

[ponciarello]

Code: Select all

  CC      block/fifo-iosched.o
block/fifo-iosched.c:51: error: expected ')' before '*' token
block/fifo-iosched.c:72: error: 'fifo_exit_queue' undeclared here (not in a function)
make[1]: *** [block/fifo-iosched.o] Error 1
make: *** [block] Error 2

[Moloch]

FYI:

async did not work for me with 2.6.28-zen3, it now works fine using 2.6.28-zen5... since it was ata_piix having problems with it, i'll just include the lspci of that device:

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00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 03) (prog-if 80 [Master])
        Subsystem: Dell Device 01b5
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 17
        I/O ports at 01f0 [size=8]
        I/O ports at 03f4 [size=1]
        I/O ports at 0170 [size=8]
        I/O ports at 0374 [size=1]
        I/O ports at bfa0 [size=16]
        Capabilities: [70] Power Management version 2
        Kernel driver in use: ata_piix

[Civil]

Can't boot normaly with 2.6.28-zen5 (with zen4 everything works fine).
At boot:

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mknod /dev/null: File exists
mount: / not mounted already or bad option
/etc/mtab is not updatable

then it fails to mount everything. This doesn't happens with zen4, so I think it's kernel.
Root on LVM. Async detection - on/off - doesn't matter.

[kernelOfTruth]

2.6.28-zen5 works fine with async (4 S-ATA drives),
after the first boot it had problems shutting down but now it seems to be fine

[cheater1034]

Anyone expecting an error free update to 2.6.29 is wrong Give awhile for us to fix the errors.

[ponciarello]

just trying to help

[jurek]

scripts/kconfig/conf -s arch/x86/Kconfig
CHK include/linux/version.h
CHK include/linux/utsrelease.h
SYMLINK include/asm -> include/asm-x86
CALL scripts/checksyscalls.sh
CHK include/linux/compile.h
GZIP kernel/config_data.gz
IKCFG kernel/config_data.h
CC kernel/configs.o
LD kernel/built-in.o
CC block/elevator.o
CC block/fifo-iosched.o
block/fifo-iosched.c:51: error: expected ‘)’ before ‘*’ token
block/fifo-iosched.c:72: error: ‘fifo_exit_queue’ undeclared here (not in a function)
make[1]: *** [block/fifo-iosched.o] Błąd 1
make[1]: *** Oczekiwanie na niezakończone zadania....
make: *** [block] Błąd 2
make: *** Oczekiwanie na niezakończone zadania...

2.6.29-rc2-zen1

latest pull

Code: Select all

  CC      block/fifo-iosched.o
  CC      block/deadline-iosched.o
block/fifo-iosched.c:51: error: expected ‘)’ before ‘*’ token
block/fifo-iosched.c:72: error: ‘fifo_exit_queue’ undeclared here (not in a function)
make[1]: *** [block/fifo-iosched.o] Błąd 1
make[1]: *** Oczekiwanie na niezakończone zadania....

OK Działa

[tranquilcool]

reiser4 errors with latest pull;


CC fs/reiser4/plugin/file_plugin_common.o
fs/reiser4/plugin/file_plugin_common.c: In function ‘set_plug_in_inode_common’:
fs/reiser4/plugin/file_plugin_common.c:64: error: ‘struct task_struct’ has no member named ‘fsuid’
fs/reiser4/plugin/file_plugin_common.c:78: error: ‘struct task_struct’ has no member named ‘fsgid’
make[2]: *** [fs/reiser4/plugin/file_plugin_common.o] Error 1
make[1]: *** [fs/reiser4] Error 2
make: *** [fs] Error 2

errors with latest pull.
i know it will get fixed but just writing in for debug purposes.

[ponciarello]

Code: Select all

$ uname -a
Linux toscibo 2.6.29-rc2-zen1 #1 SMP PREEMPT Sat Jan 17 19:34:25 CET 2009 i686 Intel(R) Core(TM)2 Duo CPU     T8100  @ 2.10GHz GenuineIntel GNU/Linux

everything ok, also with async

[cheater1034]

the async api in 2.6.29* excludes stuff, so it includes the API but doesn't implement it to everything.

git is building with allyesconfig now

[tranquilcool]

builds and is kicking ass with async set.

thanks!

[Vlad.Sharp]

In reference to the strange segfaults of applications in coreutils (mainly), I have had no luck with .28, and have instead gone back to .27-zen4. It is strange however, because having tried 2.6.27 (vanilla I think) and 2.6.27-zen4 they both work (i.e. no segfaults of 'cp' or others that I've seen so far) while the likes of 2.6.28-zen2, 2.6.28-zen5 and 2.6.28-gentoo (the latter configured from the defaults for -gentoo, i.e. from scratch) both exhibit the error. This leads me to suspect that a regression of some sort might have been introduced in .28 and that it's not zen-sources being at fault here. I've now had enough experimenting with it, will have to wait until .29 gets to -rc5 at least before trying to upgrade. If anyone wants the config files for the various versions that I tested, I would be more than happy to provide them.

[rmh3093]

In reference to the strange segfaults of applications in coreutils (mainly), I have had no luck with .28, and have instead gone back to .27-zen4. It is strange however, because having tried 2.6.27 (vanilla I think) and 2.6.27-zen4 they both work (i.e. no segfaults of 'cp' or others that I've seen so far) while the likes of 2.6.28-zen2, 2.6.28-zen5 and 2.6.28-gentoo (the latter configured from the defaults for -gentoo, i.e. from scratch) both exhibit the error. This leads me to suspect that a regression of some sort might have been introduced in .28 and that it's not zen-sources being at fault here. I've now had enough experimenting with it, will have to wait until .29 gets to -rc5 at least before trying to upgrade. If anyone wants the config files for the various versions that I tested, I would be more than happy to provide them.

you should use 'git bisect' to track down the commit that broke your machine and then post on LKML (instead of reverting to .27 and hoping that someone will magically fix this issue)