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34753 discussions

PXE Boot Live CD
by Kirk Bocek 03 Jul '06

03 Jul '06

Is it possible to boot the Live CD through PXE? I've tried using Red Hat's PXE setup tool but have been unsuccessful. Thanks, Kirk Bocek

2 3

Question on kernel recompile 2.6.17.3
by Jerry Geis 03 Jul '06

03 Jul '06

I downloaded the kernel from kernel.org. I did the following: cd /usr/src tar -jxf /tmp/linux-2.6.17.3.tar.bz2 cd linux-2.6.17.3 make menuconfig selected what I needed, saved the new config make bzImage make modules At this point nothing is compiled. All I get is: CHK include/linux/version.h Building modules, stage 2. MODPOST and a command prompt. I did make menuconfig again and it has an [*] next to the kernel modules. Why are modules not compiling? THanks, Jerry

2 1

[CentOS] Mysql login-problem after recent 4.1.20 upgrade (CentOS4.3, x86_64)
by Simen Thoresen 03 Jul '06

03 Jul '06

Hi all, I've upgraded my mysql-installation from the previous 4.1.12 version to the new 4.1.20 version, and I've found that a daemon I'm using suddenly can't log into the database anymore. I've verified the problem with the mysql command; [root@sciream ~]# mysql -upostfix -p mysql Enter password: ERROR 1045 (28000): Access denied for user 'postfix'@'localhost' (using password: YES) [root@sciream ~]# I've changed the users password in the mysql database to make sure the encrypted version is compatible with the current server, but to no avail Rolling back to the 4.1.12 version fixed it for me (if not, I'd still be sweating about this ;-), but I hope this mail comes in time to assist others. # rpm -Uvh --oldpackage mysql-4.1.12-3.RHEL4.1.* \ mysql-server-4.1.12-3.RHEL4.1.x86_64.rpm \ mysql-devel-4.1.12-3.RHEL4.1.x86_64.rpm fixed it again. This was with a current CentOS 4.3 install, running in x86_64 mode. Can anyone confirm this? I'll see if I can do this on i386 as well. Yours, -S -- Simen Thoresen, Dolphin ICS

2 2

Suspend / Hibernate
by Sean Carolan 03 Jul '06

03 Jul '06

Greetings folks - has anyone reported success getting ACPI suspend-to-ram and/or hibernation to disk working with CentOS 4.3? If so, how'd you set it up? Thanks Sean

1 0

Problem with CentOS 4.3 on kernel and ipvsadm
by Alessio Cecchi 03 Jul '06

03 Jul '06

I have installed two CentOS 4.3 boxes with LVS (from http://mirror.centos.org/centos/4/csgfs/ ) but all boxes died withe this error frequently: kernel panic - not syncing: fs/block_dev.c:396: spin_lock (fs/block_dev.c:c0361c0) already locked by fs/block_dev.c/287. I have read from this thread http://threebit.net/mail-archive/centos/msg00243.html that this is an unsolved problem. So i have installed the kernel-2.6.9-39.EL from testing repo, but the box diedi with another error: Jul 2 16:40:40 lvs2 kernel: Bad page state at free_hot_cold_page (in process 'smtp', page c10a2140) Jul 2 16:40:40 lvs2 kernel: flags:0x20000014 mapping:00000000 mapcount:256 count:0 Jul 2 16:40:40 lvs2 kernel: Backtrace: Jul 2 16:40:40 lvs2 kernel: [<c014eaad>] bad_page+0x58/0x89 Jul 2 16:40:40 lvs2 kernel: [<c014f2e1>] free_hot_cold_page+0x5f/0xc8 Jul 2 16:40:40 lvs2 kernel: [<c0159b6a>] zap_pte_range+0x1d9/0x226 Jul 2 16:40:40 lvs2 kernel: [<c0159bf9>] zap_pmd_range+0x42/0x68 Jul 2 16:40:40 lvs2 kernel: [<c0159c58>] unmap_page_range+0x39/0x5f Jul 2 16:40:40 lvs2 kernel: [<c0159d7f>] unmap_vmas+0x101/0x1f8 Jul 2 16:40:40 lvs2 kernel: [<c015ed4a>] exit_mmap+0xb8/0x1d0 Jul 2 16:40:40 lvs2 kernel: [<c0121bb4>] mmput+0xb3/0xd6 Jul 2 16:40:40 lvs2 kernel: [<c0127248>] do_exit+0x255/0x59c Jul 2 16:40:40 lvs2 kernel: [<c0127727>] sys_exit_group+0x0/0xd Jul 2 16:40:40 lvs2 kernel: [<c0317637>] syscall_call+0x7/0xb Jul 2 16:40:40 lvs2 kernel: Trying to fix it up, but a reboot is needed Jul 3 04:02:02 lvs2 kernel: ------------[ cut here ]------------ Jul 3 04:02:02 lvs2 kernel: kernel BUG at mm/rmap.c:479! Jul 3 04:02:02 lvs2 kernel: invalid operand: 0000 [#1] Jul 3 04:02:02 lvs2 kernel: Modules linked in: ip_vs_wlc ip_vs md5 ipv6 iptable_filter ipt_MASQUERADE iptable_nat ip_conntrack ipt_MARK iptable_mangle ip_tables button battery ac uhci_hcd parport_pc parport snd_via82xx snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore 8139too mii floppy dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod Jul 3 04:02:02 lvs2 kernel: CPU: 0 Jul 3 04:02:02 lvs2 kernel: EIP: 0060:[<c0160ee9>] Tainted: G B VLI Jul 3 04:02:02 lvs2 kernel: EFLAGS: 00010296 (2.6.9-39.EL) Jul 3 04:02:02 lvs2 kernel: EIP is at page_remove_rmap+0x22/0x36 Jul 3 04:02:02 lvs2 kernel: eax: fffffe00 ebx: c1082140 ecx: c1082140 edx: c1082140 Jul 3 04:02:02 lvs2 kernel: esi: 00000000 edi: 00003000 ebp: c42fd384 esp: c4241dec Jul 3 04:02:02 lvs2 kernel: ds: 007b es: 007b ss: 0068 Jul 3 04:02:02 lvs2 kernel: Process smtp (pid: 5596, threadinfo=c4241000 task=cc920840) Jul 3 04:02:02 lvs2 kernel: Stack: c0159b58 0410a067 00005000 080de000 c0405094 080de000 080e3000 c474d080 Jul 3 04:02:02 lvs2 kernel: c0405094 c0159bf9 00005000 00000000 080de000 c474d080 080e3000 c0405094 Jul 3 04:02:02 lvs2 kernel: c0159c58 00005000 00000000 c4241e9c 080de000 cc5cc5b8 080e3000 c0159d7f Jul 3 04:02:02 lvs2 kernel: Call Trace: Jul 3 04:02:02 lvs2 kernel: [<c0159b58>] zap_pte_range+0x1c7/0x226 Jul 3 04:02:02 lvs2 kernel: [<c0159bf9>] zap_pmd_range+0x42/0x68 Jul 3 04:02:02 lvs2 kernel: [<c0159c58>] unmap_page_range+0x39/0x5f Jul 3 04:02:02 lvs2 kernel: [<c0159d7f>] unmap_vmas+0x101/0x1f8 Jul 3 04:02:03 lvs2 kernel: [<c015ed4a>] exit_mmap+0xb8/0x1d0 Jul 3 04:02:03 lvs2 kernel: [<c0121bb4>] mmput+0xb3/0xd6 Jul 3 04:02:03 lvs2 kernel: [<c0177e51>] exec_mmap+0x2cd/0x2e7 Jul 3 04:02:03 lvs2 kernel: [<c01780d6>] flush_old_exec+0x43/0x367 Jul 3 04:02:03 lvs2 kernel: [<c0177b7a>] kernel_read+0x31/0x3b Jul 3 04:02:03 lvs2 kernel: [<c019cbeb>] load_elf_binary+0x520/0xbe0 Jul 3 04:02:03 lvs2 kernel: [<c01776c1>] copy_strings+0x22b/0x235 Jul 3 04:02:03 lvs2 kernel: [<c01791b1>] search_binary_handler+0x81/0x1cc Jul 3 04:02:03 lvs2 kernel: [<c0179464>] do_execve+0x168/0x1f6 Jul 3 04:02:03 lvs2 kernel: [<c010496c>] sys_execve+0x2e/0x185 Jul 3 04:02:03 lvs2 kernel: [<c0317637>] syscall_call+0x7/0xb Jul 3 04:02:03 lvs2 kernel: Code: ff 05 90 af 42 c0 50 9d c3 89 c2 8b 00 f6 c4 08 74 08 0f 0b dc 01 7c bd 32 c0 83 42 08 ff 0f 98 c0 84 c0 74 19 8b 42 08 40 79 08 <0f> 0b df 01 7c bd 32 c0 9c 58 fa ff 0d 90 af 42 c0 50 9d c3 55 Jul 3 04:02:03 lvs2 kernel: <0>Fatal exception: panic in 5 seconds Jul 3 04:02:03 lvs2 kernel: bad: scheduling while atomic! Jul 3 04:02:03 lvs2 kernel: [<c0314921>] schedule+0x2d/0x5f1 Jul 3 04:02:03 lvs2 kernel: [<c023a692>] poke_blanked_console+0x8f/0x9a Jul 3 04:02:03 lvs2 kernel: [<c0315fde>] schedule_timeout+0x15a/0x179 Jul 3 04:02:03 lvs2 kernel: [<c012e79e>] process_timeout+0x0/0x5 Jul 3 04:02:03 lvs2 kernel: [<c0124919>] printk+0xe/0x11 Jul 3 04:02:03 lvs2 kernel: [<c0106924>] die+0x210/0x221 Jul 3 04:02:03 lvs2 kernel: [<c0139d5f>] search_exception_tables+0x1f/0x21 Jul 3 04:02:03 lvs2 kernel: [<c0106c87>] do_invalid_op+0xcf/0xf2 Jul 3 04:02:03 lvs2 kernel: [<c01299bb>] current_fs_time+0x44/0x4c Jul 3 04:02:03 lvs2 kernel: [<c0160ee9>] page_remove_rmap+0x22/0x36 Jul 3 04:02:03 lvs2 kernel: [<c014bd63>] do_generic_mapping_read+0x3fb/0x403 Jul 3 04:02:03 lvs2 kernel: [<c0106bb8>] do_invalid_op+0x0/0xf2 Jul 3 04:02:03 lvs2 kernel: [<c03186df>] error_code+0x2f/0x40 Jul 3 04:02:03 lvs2 kernel: [<c0160ee9>] page_remove_rmap+0x22/0x36 Jul 3 04:02:03 lvs2 kernel: [<c0159b58>] zap_pte_range+0x1c7/0x226 Jul 3 04:02:03 lvs2 kernel: [<c0159bf9>] zap_pmd_range+0x42/0x68 Jul 3 04:02:03 lvs2 kernel: [<c0159c58>] unmap_page_range+0x39/0x5f Jul 3 04:02:03 lvs2 kernel: [<c0159d7f>] unmap_vmas+0x101/0x1f8 Jul 3 04:02:03 lvs2 kernel: [<c015ed4a>] exit_mmap+0xb8/0x1d0 Jul 3 04:02:03 lvs2 kernel: [<c0121bb4>] mmput+0xb3/0xd6 Jul 3 04:02:03 lvs2 kernel: [<c0177e51>] exec_mmap+0x2cd/0x2e7 Jul 3 04:02:03 lvs2 kernel: [<c01780d6>] flush_old_exec+0x43/0x367 Jul 3 04:02:03 lvs2 kernel: [<c0177b7a>] kernel_read+0x31/0x3b Jul 3 04:02:03 lvs2 kernel: [<c019cbeb>] load_elf_binary+0x520/0xbe0 Jul 3 04:02:03 lvs2 kernel: [<c01776c1>] copy_strings+0x22b/0x235 Jul 3 04:02:03 lvs2 kernel: [<c01791b1>] search_binary_handler+0x81/0x1cc Jul 3 04:02:03 lvs2 kernel: [<c0179464>] do_execve+0x168/0x1f6 Jul 3 04:02:03 lvs2 kernel: [<c010496c>] sys_execve+0x2e/0x185 Jul 3 04:02:03 lvs2 kernel: [<c0317637>] syscall_call+0x7/0xb Jul 3 04:02:03 lvs2 kernel: Bad page state at prep_new_page (in process 'smtp', page c1082400) Jul 3 04:02:03 lvs2 kernel: flags:0x20000000 mapping:00000300 mapcount:0 count:0 Jul 3 04:02:03 lvs2 kernel: Backtrace: Jul 3 04:02:03 lvs2 kernel: [<c014eaad>] bad_page+0x58/0x89 Jul 3 04:02:03 lvs2 kernel: [<c014eeba>] prep_new_page+0x24/0x3a Jul 3 04:02:03 lvs2 kernel: [<c014f51f>] buffered_rmqueue+0x1c4/0x1e7 Jul 3 04:02:03 lvs2 kernel: [<c014f5f5>] __alloc_pages+0xb3/0x29a Jul 3 04:02:03 lvs2 kernel: [<c01604df>] anon_vma_prepare+0x1f/0x1bf Jul 3 04:02:03 lvs2 kernel: [<c015ad3a>] do_wp_page+0x1d4/0x422 Jul 3 04:02:03 lvs2 kernel: [<c015bf5c>] handle_mm_fault+0x136/0x212 Jul 3 04:02:03 lvs2 kernel: [<c011d967>] do_page_fault+0x1ac/0x50c Jul 3 04:02:03 lvs2 kernel: [<c01345fe>] sys_rt_sigaction+0xdc/0xf0 Jul 3 04:02:03 lvs2 kernel: [<c016b77f>] filp_close+0x5a/0x60 Jul 3 04:02:03 lvs2 kernel: [<c011d7bb>] do_page_fault+0x0/0x50c Jul 3 04:02:03 lvs2 kernel: [<c03186df>] error_code+0x2f/0x40 Jul 3 04:02:03 lvs2 kernel: Trying to fix it up, but a reboot is needed Jul 3 04:02:03 lvs2 kernel: Bad page state at prep_new_page (in process 'syslogd', page c1082440) Jul 3 04:02:03 lvs2 kernel: flags:0x20000000 mapping:00000100 mapcount:0 count:0 Jul 3 04:02:03 lvs2 kernel: Backtrace: Jul 3 04:02:03 lvs2 kernel: [<c014eaad>] bad_page+0x58/0x89 Jul 3 04:02:03 lvs2 kernel: [<c014eeba>] prep_new_page+0x24/0x3a Jul 3 04:02:03 lvs2 kernel: [<c014f51f>] buffered_rmqueue+0x1c4/0x1e7 Jul 3 04:02:03 lvs2 kernel: [<c014f5f5>] __alloc_pages+0xb3/0x29a Jul 3 04:02:03 lvs2 kernel: [<c014f7f4>] __get_free_pages+0x18/0x24 Jul 3 04:02:03 lvs2 kernel: [<c018083e>] __pollwait+0x2d/0x94 Jul 3 04:02:03 lvs2 kernel: [<c02b8ca0>] datagram_poll+0x25/0xc5 Jul 3 04:02:03 lvs2 kernel: [<c02b2d28>] sock_poll+0x12/0x14 Jul 3 04:02:03 lvs2 kernel: [<c0180ba5>] do_select+0x25b/0x377 Jul 3 04:02:03 lvs2 kernel: [<c0180811>] __pollwait+0x0/0x94 Jul 3 04:02:03 lvs2 kernel: [<c0180fb1>] sys_select+0x2dd/0x437 Jul 3 04:02:03 lvs2 kernel: [<c016db16>] sys_fsync+0xcd/0xd5 Jul 3 04:02:03 lvs2 kernel: [<c0317637>] syscall_call+0x7/0xb Jul 3 04:02:03 lvs2 kernel: Trying to fix it up, but a reboot is needed Jul 3 04:02:03 lvs2 kernel: Bad page state at prep_new_page (in process 'http', page c1082460) Jul 3 04:02:03 lvs2 kernel: flags:0x20000000 mapping:00000300 mapcount:0 count:0 [...] Jul 3 04:02:07 lvs2 kernel: Trying to fix it up, but a reboot is needed Jul 3 04:02:07 lvs2 kernel: Bad page state at prep_new_page (in process 'pop3', page c10825a0) Jul 3 04:02:07 lvs2 kernel: flags:0x20000000 mapping:00000100 mapcount:0 count:0 Jul 3 04:02:07 lvs2 kernel: Backtrace: Jul 3 04:02:07 lvs2 kernel: [<c014eaad>] bad_page+0x58/0x89 Jul 3 04:02:07 lvs2 kernel: [<c014eeba>] prep_new_page+0x24/0x3a Jul 3 04:02:07 lvs2 kernel: [<c014f51f>] buffered_rmqueue+0x1c4/0x1e7 Jul 3 04:02:07 lvs2 kernel: [<c014f5f5>] __alloc_pages+0xb3/0x29a Jul 3 04:02:07 lvs2 kernel: [<c011d21e>] pte_alloc_one+0x18/0x49 Jul 3 04:02:07 lvs2 kernel: [<c0159465>] pte_alloc_map+0x66/0x12d Jul 3 04:02:07 lvs2 kernel: [<c0159737>] copy_page_range+0xfe/0x358 Jul 3 04:02:07 lvs2 kernel: [<c0122380>] dup_mmap+0x3de/0x4a6 Jul 3 04:02:07 lvs2 kernel: [<c0121f61>] copy_mm+0x10e/0x14f Jul 3 04:02:07 lvs2 kernel: [<c0123172>] copy_process+0x709/0xd52 Jul 3 04:02:07 lvs2 kernel: [<c0186d5e>] d_alloc+0xc2/0x284 Jul 3 04:02:07 lvs2 kernel: [<c01238b1>] do_fork+0x98/0x1a2 Jul 3 04:02:07 lvs2 kernel: [<c0187057>] d_instantiate+0x137/0x13a So LVS is unusable because after of no more hourse of running the kernel go to panic. There is a solutions to this problem? I can help to test some patch or kernel. Have somebody solved this situations? Thanks

2 4

Latest x86_64 != latest i386 packages?
by Bart Schaefer 02 Jul '06

02 Jul '06

I have CentOS 4.3 on two machines, one i386 (3.0GHz P4) and one x86_64 (2.6GHz Opteron). Both have centos-release-4-3.2 autoconf-2.59-5 However, on the i386: perl-5.8.5-34.RHEL4 Whereas on the x86_64: perl-5.8.5-24.RHEL4 Is this really correct? I ask because when I attempt to recompile zsh on the x86_64 box, I unaccountably get this error: Can't locate object method "path" via package "Request" at /usr/share/autoconf/Autom4te/C4che.pm line 69, <GEN1> line 111. I'm trying to recompile zsh in the first place because the "limit" command doesn't work on the x86_64 system, so the SRPM build appears to have incorrectly preprocessed sys/resource.h and I wanted to track down the details before filing a bug report.

7 11

Missing Dependency
by CentOS List 02 Jul '06

02 Jul '06

Hi, Viewing the lastest logwatch, discovered the error below. Error: Missing Dependency: perl(Module::Install::Base) is needed by package perl-Test-Base I tried to install Module::Install::Base using cpan and cpan tell me it has already installed. cpan> install Module::Install::Base Fetching with LWP: ftp://mirror.averse.net/pub/CPAN/authors/01mailrc.txt.gz Going to read /root/.cpan/sources/authors/01mailrc.txt.gz Fetching with LWP: ftp://mirror.averse.net/pub/CPAN/modules/02packages.details.txt.gz Going to read /root/.cpan/sources/modules/02packages.details.txt.gz Database was generated on Sat, 01 Jul 2006 16:29:28 GMT Fetching with LWP: ftp://mirror.averse.net/pub/CPAN/modules/03modlist.data.gz Going to read /root/.cpan/sources/modules/03modlist.data.gz Going to write /root/.cpan/Metadata Module::Install::Base is up to date (0.63). What did i missed out? Thanks regards

2 3

Installing TOO USB Drive
by Mike 01 Jul '06

01 Jul '06

Greetings CentOS Fans. I'm working on an Inspiron 9400 Laptop. It supports booting from USB devices, so I'd like to install CentOS on a USB hard drive as an alternative to XP. I tried booting to the 4.3 (disk 1) CD, but it doesn't see the USB Drive when it gets to the stage of partitioning... any idea what's involved in getting the USB drive recognized so I can install CentOS onto it? Mike.

6 10

RE: Re: [CentOS] /etc/inittab: Serial access/ Console Server
by pctech＠mybellybutton.com 01 Jul '06

01 Jul '06

>On Thu, 2006-06-29 at 20:48 -0700, Chris Fox wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Rodrigo Barbosa wrote: >> >> > you might want to try agetty: >> > >> > T0:23:respawn:/sbin/agetty 9600 ttyS0 vt100 >> > >> > Not sure if it will work, but seems likely. >> > >> I've always wanted to know how this is done (before serial ports go >> away forever). >> > >We (CentOS Project) just got a $29,000 machine w/o a video card. (Sparc >niagara t2000 machine). > >I use a serial connection to what it boot ... > > You don't just need the inittab setting. You also need a GRUB setting and a secureTTY detting. The following is a paste out of my firewall document that I wrote that has been tested and works: 6.15 Configuring Headless Operation By configuring headless operating we will be able to manage the firewall via a cable plugged into the serial port of the firewall. This obviates the need to plug a keyboard and monitor into it to perform changes. Thus the term headless. 6.15.1 Changes to /etc/inittab The /etc/inittab file contains settings that get applied to the Operating Systems at boot time. There are some changes that need to be made to these settings. In order to edit the /etc/inittab file type: vi /etc/inittab Typing this command will open the /etc/inittab file for editing. As stated earlier the 18th line down is the run level line. Add the following line to the file: S0:12345:respawn:/sbin/agetty ttyS0 9600 linux This line sets the Operating System to be able to send boot time information to the serial port in addition to the console. After you have made these changes to the /etc/inittab file press the colon (: ) key and then type wq to quit vi and save the changes. 6.15.2 Changes to /etc/securetty The /etc/securetty sets the controls for which TTY devices that the root account can log on via. In order for us to be able to log onto the serial console as root or to be able to su to root we must add a line to the file. In order to edit the /etc/secuertty file type: vi /etc/securetty Typing this command will open the /etc/secuertty file for editing. Add the following line to the end of the file: ttyS0 This line sets the Operating System to allow root to log on to the serial port in addition to the console. After you have made these changes to the /etc/securetty file press the colon (: ) key and then type wq to quit vi and save the changes. 6.15.3 Changes to the Boot Loader In order for boot-time messages to be sent to the console, including the boot loader information some changes must be made to the configuration file for it. The boot loader that CentOS uses is GRUB. As such, the configuration file is /etc/grub.conf. The first change that we must make is to add some lines after the timeout line in the GRUB configuration file. In order to edit the /etc/grub.conf file type: vi /etc/grub.conf Typing this command will open the /etc/grub.conf file for editing. Add the following two lines after the timeout line in the configuration file: serial --unit=0 --speed=9600 terminal --timeout=2 serial console Another change that we must make in the GRUB configuration file is to tell the kernel to send out all kernel-level messages to the serial port in addition to the console. That is done by adding the following line to the end of the kernel line: console=tty1 console=ttyS0,9600 After you have made these changes to the /etc/grub.conf file press the colon (: ) key and then type wq to quit vi and save the changes. Once you have made these changes reboot the firewall by typing by typing: reboot The firewall will now reboot. _______________________________________________ >CentOS mailing list >CentOS(a)centos.org >http://lists.centos.org/mailman/listinfo/centos

3 2

DNS Server
by Thomas E Dukes 30 Jun '06

30 Jun '06

Hello, I have recently switched from having a dynamic IP address and using a DNS service like zoneedit and dyndns to having a static IP address. How do I stop having to use these DNS services and use my own? I tried changing the DNS servers at my registrar but it won't accept my server. TIA

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