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kernels with cifs backport (Was: where is smbmount on centOS 5)
by Akemi Yagi 09 Jul '07

09 Jul '07

On 6/29/07, Wojtek.Pilorz <wpilorz(a)bdk.pl> wrote: > On Fedora6, I have noted the folowing problems when using cifs to connect to > NT shares: > > - cp -vip does not copy mtime; tar x does copy mtime > (it seems setting modtime by fname does work, setting by handle does not) > - when there is a share mounted from a NT/2000 server which is not used for long time > mounting another share from the same servers reliably fails ; > touching the already mounted share (ls is OK) allows the mount so succeed. > - when using vim to edit a file on the share and trying to write it, vim often > says that the file has been modified in the meantime > - perhaps most annoying: somtimes modifying a file located on NT 4 Workstation share with vim, > it becomes permanently unavailable until NT is rebooted. > It happens rarely, I do not know how to trigger it on demand. > > Those problems did not happen when using smbfs from CentOS 4.4. > > I am wondering if CentOS 5 has these problems? > Anyone using cifs from CentOS 5 to access NT-exported share, would care to comment? Here is the updated info. Steve French (samba team) made available a newer cifs version (1.48) backported to old kernels: http://lists.samba.org/archive/linux-cifs-client/2007-April/001898.html Using this cifs code Jeff Layton (RH) has built some test kernels after making appropriate adjustment for RHEL: http://people.redhat.com/jlayton/ You can try the test kernel to see if the problems have been fixed, or if you would rather not use any test kernel, you can just get the cifs module compiled. I have compiled a x86_64 version of cifs for CentOS 5 for my own use and confirmed it has eliminated the bug that causes system crashes in kernel 2.6.18 (C5's default). Akemi

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Cannot Start CLVMD on second node of cluster
by Bernard Chew 09 Jul '07

09 Jul '07

Hi, I'm trying to configure Red Hat GFS but have problems starting CLVMD on the second node of a 3-nodes cluster. I can start ccsd, cman, and fenced successfully, and clvmd on any other nodes first time. ------------------------- CenOS 4.4 Kernel: 2.6.9-42.0.3.ELsmp [root@server2 ~]# cman_tool nodes Node Votes Exp Sts Name 1 1 3 M server3 2 1 3 M server4 3 1 3 M server2 ------------------------- First Node (able to start clvmd successfully) [root@server3 ~]# cman_tool services Service Name GID LID State Code Fence Domain: "default" 1 2 run - [1 2 3] DLM Lock Space: "clvmd" 2 3 update U-4,1,3 [1 3] [root@server3 ~]# cat /proc/cluster/dlm_debug clvmd move flags 0,1,0 ids 0,3,0 clvmd move use event 3 clvmd recover event 3 (first) clvmd add nodes clvmd total nodes 1 clvmd rebuild resource directory clvmd rebuilt 0 resources clvmd recover event 3 done clvmd move flags 0,0,1 ids 0,3,3 clvmd process held requests clvmd processed 0 requests clvmd recover event 3 finished clvmd move flags 1,0,0 ids 3,3,3 clvmd move flags 0,1,0 ids 3,4,3 clvmd move use event 4 clvmd recover event 4 clvmd add node 3 -------------------------- Second Node (forever waiting) [root@server2 ~]# cman_tool services Service Name GID LID State Code Fence Domain: "default" 1 2 run - [1 2 3] DLM Lock Space: "clvmd" 2 3 join S-6,20,2 [1 3] [root@server2 ~]# cat /proc/cluster/dlm_debug clvmd move flags 0,1,0 ids 0,2,0 clvmd move use event 2 clvmd recover event 2 (first) clvmd add nodes -------------------------- Any ideas why? Thanks in advance, Bernard Chew IT Operations Engineer

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ATA: abnormal status 0x7F on port 0xB887
by Andrew Hearn (AAISP) 09 Jul '07

09 Jul '07

Hello, We have recently purchased two Supermicro servers, AS-1021M-T2RB (http://www.supermicro.com/Aplus/system/1U/1021/AS-1021M-T2RV.cfm) and have built them both with CentOS 5 operating system. They are identical, apart from the manufacturer of the disk drives. Kernel is: Linux version 2.6.18-8.1.6.el5 (mockbuild(a)builder6.centos.org) (gcc version 4.1.1 20070105 (Red Hat 4.1.1-52)) #1 SMP Thu Jun 14 17:29:04 EDT 2007 Both servers have 2 SATA disks, and using software RAID 1. When they boot, we see this error in dmesg: ATA: abnormal status 0x7F on port 0xB887 The servers seem to be working OK, but we're a little worried. The full dmsg is below. Is anyone able to help explain what this problem/message could be? Thank you. pcie_portdrv_probe->Dev[0375:10de] has invalid IRQ. Check vendor BIOS assign_interrupt_mode Found MSI capability Allocate Port Service[0000:00:0e.0:pcie00] PCI: Setting latency timer of device 0000:00:0f.0 to 64 pcie_portdrv_probe->Dev[0377:10de] has invalid IRQ. Check vendor BIOS assign_interrupt_mode Found MSI capability Allocate Port Service[0000:00:0f.0:pcie00] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 Real Time Clock Driver v1.12ac Non-volatile memory driver v1.2 Linux agpgart interface v0.101 (c) Dave Jones Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A 00:05: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A 00:06: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx NFORCE-MCP55: IDE controller at PCI slot 0000:00:04.0 NFORCE-MCP55: chipset revision 161 NFORCE-MCP55: not 100% native mode: will probe irqs later NFORCE-MCP55: 0000:00:04.0 (rev a1) UDMA133 controller ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:pio, hdb:DMA Probing IDE interface ide0... hdb: MATSHITADVD-ROM SR-8178, ATAPI CD/DVD-ROM drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 Probing IDE interface ide1... ide-floppy driver 0.99.newide usbcore: registered new driver hiddev usbcore: registered new driver usbhid drivers/usb/input/hid-core.c: v2.6:USB HID core driver PNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12 serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 mice: PS/2 mouse device common for all mice md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 md: bitmap version 4.39 TCP bic registered Initializing IPsec netlink socket NET: Registered protocol family 1 NET: Registered protocol family 17 powernow-k8: Found 4 Dual-Core AMD Opteron(tm) Processor 2212 processors (version 2.10.00) powernow-k8: MP systems not supported by PSB BIOS structure powernow-k8: MP systems not supported by PSB BIOS structure powernow-k8: MP systems not supported by PSB BIOS structure powernow-k8: MP systems not supported by PSB BIOS structure ACPI: (supports S0 S1 S4 S5) Freeing unused kernel memory: 196k freed Write protecting the kernel read-only data: 460k input: AT Translated Set 2 keyboard as /class/input/input0 USB Universal Host Controller Interface driver v3.0 ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI) ACPI: PCI Interrupt Link [LUB0] enabled at IRQ 23 GSI 16 sharing vector 0xE9 and IRQ 16 ACPI: PCI Interrupt 0000:00:02.0[A] -> Link [LUB0] -> GSI 23 (level, low) -> IRQ 233 PCI: Setting latency timer of device 0000:00:02.0 to 64 ohci_hcd 0000:00:02.0: OHCI Host Controller ohci_hcd 0000:00:02.0: new USB bus registered, assigned bus number 1 ohci_hcd 0000:00:02.0: irq 233, io mem 0xfe9bf000 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 10 ports detected ACPI: PCI Interrupt Link [LUB2] enabled at IRQ 22 GSI 17 sharing vector 0x32 and IRQ 17 ACPI: PCI Interrupt 0000:00:02.1[B] -> Link [LUB2] -> GSI 22 (level, low) -> IRQ 50 PCI: Setting latency timer of device 0000:00:02.1 to 64 ehci_hcd 0000:00:02.1: EHCI Host Controller ehci_hcd 0000:00:02.1: new USB bus registered, assigned bus number 2 ehci_hcd 0000:00:02.1: debug port 1 PCI: cache line size of 64 is not supported by device 0000:00:02.1 ehci_hcd 0000:00:02.1: irq 50, io mem 0xfe9bec00 ehci_hcd 0000:00:02.1: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 usb usb2: configuration #1 chosen from 1 choice hub 2-0:1.0: USB hub found hub 2-0:1.0: 10 ports detected md: raid1 personality registered for level 1 SCSI subsystem initialized libata version 2.00 loaded. sata_nv 0000:00:05.0: version 2.0 ACPI: PCI Interrupt Link [LSA0] enabled at IRQ 21 GSI 18 sharing vector 0x3A and IRQ 18 ACPI: PCI Interrupt 0000:00:05.0[A] -> Link [LSA0] -> GSI 21 (level, low) -> IRQ 58 PCI: Setting latency timer of device 0000:00:05.0 to 64 ata1: SATA max UDMA/133 cmd 0xC480 ctl 0xC402 bmdma 0xBC00 irq 58 ata2: SATA max UDMA/133 cmd 0xC080 ctl 0xC002 bmdma 0xBC08 irq 58 scsi0 : sata_nv input: ImExPS/2 Generic Explorer Mouse as /class/input/input1 ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata1.00: ATA-7, max UDMA/133, 781422768 sectors: LBA48 NCQ (depth 0/32) ata1.00: ata1: dev 0 multi count 16 ata1.00: configured for UDMA/133 scsi1 : sata_nv ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata2.00: ATA-7, max UDMA/133, 781422768 sectors: LBA48 NCQ (depth 0/32) ata2.00: ata2: dev 0 multi count 16 ata2.00: configured for UDMA/133 Vendor: ATA Model: WDC WD4000YR-01P Rev: 01.0 Type: Direct-Access ANSI SCSI revision: 05 SCSI device sda: 781422768 512-byte hdwr sectors (400088 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back SCSI device sda: 781422768 512-byte hdwr sectors (400088 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back sda: sda1 sda2 sd 0:0:0:0: Attached scsi disk sda Vendor: ATA Model: WDC WD4000YR-01P Rev: 01.0 Type: Direct-Access ANSI SCSI revision: 05 SCSI device sdb: 781422768 512-byte hdwr sectors (400088 MB) sdb: Write Protect is off sdb: Mode Sense: 00 3a 00 00 SCSI device sdb: drive cache: write back SCSI device sdb: 781422768 512-byte hdwr sectors (400088 MB) sdb: Write Protect is off sdb: Mode Sense: 00 3a 00 00 SCSI device sdb: drive cache: write back sdb: sdb1 sdb2 sd 1:0:0:0: Attached scsi disk sdb ACPI: PCI Interrupt Link [LSA1] enabled at IRQ 20 GSI 19 sharing vector 0x42 and IRQ 19 ACPI: PCI Interrupt 0000:00:05.1[B] -> Link [LSA1] -> GSI 20 (level, low) -> IRQ 66 PCI: Setting latency timer of device 0000:00:05.1 to 64 ata3: SATA max UDMA/133 cmd 0xB880 ctl 0xB802 bmdma 0xB080 irq 66 ata4: SATA max UDMA/133 cmd 0xB480 ctl 0xB402 bmdma 0xB088 irq 66 scsi2 : sata_nv ata3: SATA link down (SStatus 0 SControl 300) ATA: abnormal status 0x7F on port 0xB887 scsi3 : sata_nv ata4: SATA link down (SStatus 0 SControl 300) ATA: abnormal status 0x7F on port 0xB487 ACPI: PCI Interrupt Link [LSA2] enabled at IRQ 23 ACPI: PCI Interrupt 0000:00:05.2[C] -> Link [LSA2] -> GSI 23 (level, low) -> IRQ 233 PCI: Setting latency timer of device 0000:00:05.2 to 64 ata5: SATA max UDMA/133 cmd 0xB000 ctl 0xAC02 bmdma 0xA480 irq 233 ata6: SATA max UDMA/133 cmd 0xA880 ctl 0xA802 bmdma 0xA488 irq 233 scsi4 : sata_nv ata5: SATA link down (SStatus 0 SControl 300) ATA: abnormal status 0x7F on port 0xB007 scsi5 : sata_nv ata6: SATA link down (SStatus 0 SControl 300) ATA: abnormal status 0x7F on port 0xA887 md: Autodetecting RAID arrays. md: autorun ... md: considering sdb1 ... md: adding sdb1 ... md: adding sda1 ... md: created md0 md: bind<sda1> md: bind<sdb1> md: running: <sdb1><sda1> raid1: raid set md0 active with 2 out of 2 mirrors md: ... autorun DONE. kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. SELinux: Disabled at runtime. SELinux: Unregistering netfilter hooks audit(1183559928.450:2): selinux=0 auid=4294967295 i2c_adapter i2c-0: nForce2 SMBus adapter at 0x2d00 i2c_adapter i2c-1: nForce2 SMBus adapter at 0x2e00 shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 EDAC MC: Ver: 2.0.1 Jun 14 2007 EDAC MC0: Giving out device to k8_edac Athlon64/Opteron: DEV 0000:00:18.2 EDAC MC1: Giving out device to k8_edac Athlon64/Opteron: DEV 0000:00:19.2 sd 0:0:0:0: Attached scsi generic sg0 type 0 sd 1:0:0:0: Attached scsi generic sg1 type 0 Modular ISDN Stack core version (1_1_5) revision ($Revision: 1.40 $) mISDNd: kernel daemon started (current:ffff81003e565820) input: PC Speaker as /class/input/input2 mISDNd: test event done hdb: ATAPI 24X DVD-ROM drive, 256kB Cache, UDMA(33) Uniform CD-ROM driver Revision: 3.20 forcedeth.c: Reverse Engineered nForce ethernet driver. Version 0.56. ACPI: PCI Interrupt Link [LMAC] enabled at IRQ 22 ACPI: PCI Interrupt 0000:00:08.0[A] -> Link [LMAC] -> GSI 22 (level, low) -> IRQ 50 PCI: Setting latency timer of device 0000:00:08.0 to 64 forcedeth: using HIGHDMA Floppy drive(s): fd0 is 1.44M FDC 0 is a post-1991 82077 eth0: forcedeth.c: subsystem: 015d9:1511 bound to 0000:00:08.0 ACPI: PCI Interrupt Link [LMAD] enabled at IRQ 21 ACPI: PCI Interrupt 0000:00:09.0[A] -> Link [LMAD] -> GSI 21 (level, low) -> IRQ 58 PCI: Setting latency timer of device 0000:00:09.0 to 64 forcedeth: using HIGHDMA eth1: forcedeth.c: subsystem: 015d9:1511 bound to 0000:00:09.0 lp: driver loaded but no devices found ACPI: Power Button (FF) [PWRF] ACPI: Power Button (CM) [PWRB] ibm_acpi: ec object not found md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. device-mapper: ioctl: 4.11.0-ioctl (2006-09-14) initialised: dm-devel(a)redhat.com EXT3 FS on md0, internal journal Adding 4096564k swap on /dev/sdb2. Priority:-1 extents:1 across:4096564k Adding 4096564k swap on /dev/sda2. Priority:-2 extents:1 across:4096564k Zapata Telephony Interface Registered on major 196 Zaptel Version: 1.2.18 Zaptel Echo Canceller: KB1 Registered Tormenta2 PCI Registered tone zone 4 (United Kingdom) Registered tone zone 4 (United Kingdom) Registered tone zone 4 (United Kingdom) Registered tone zone 4 (United Kingdom) Registered tone zone 4 (United Kingdom) Registered tone zone 4 (United Kingdom) Registered tone zone 4 (United Kingdom) usbcore: registered new driver wcusb Wildcard USB FXS Interface driver registered Registered tone zone 4 (United Kingdom) Registered tone zone 4 (United Kingdom) CAPI Subsystem Rev 1.1.2.8 capifs: Rev 1.1.2.3 capi20: Rev 1.1.2.7: started up with major 68 (middleware+capifs) ISDN L1 driver version 1.20 ISDN L2 driver version 1.32 mISDN: DSS1 Rev. 1.47 mISDN Capi 2.0 driver file version 1.21 mISDN: HFC-multi driver Rev. 1.68 HFC-multi: card manufacturer: 'Cologne Chip AG' card name: 'HFC-4S Digium Card' clock: normal ACPI: PCI Interrupt Link [LNEA] enabled at IRQ 19 GSI 20 sharing vector 0x62 and IRQ 20 ACPI: PCI Interrupt 0000:03:06.0[A] -> Link [LNEA] -> GSI 19 (level, low) -> IRQ 98 HFC-4S#1: defined at IOBASE 0xec00 IRQ 98 HZ 1000 leds-type 2 HFC_multi: resetting HFC with chip ID=0xc revision=1 Setting GPIOs calling vpm_init VPM: Chip 0: ver 33 VPM: A-law mode VPM reg 0x20 is 11 NLP Thresh is set to 2 (0x2) VPM: A-law mode VPM reg 0x20 is 11 NLP Thresh is set to 2 (0x2) rtc: lost some interrupts at 1024Hz. hfcpci_probe: DIPs(0x90) jumpers(0x0) 1 devices registered mISDN_dsp: Audio DSP Rev. 1.29 (debug=0x0) EchoCancellor MG2 dtmfthreshold(100) mISDN_dsp: DSP clocks every 64 samples. This equals 8 jiffies. NET: Registered protocol family 10 lo: Disabled Privacy Extensions IPv6 over IPv4 tunneling driver Zaptel Transcoder support loaded eth0: no IPv6 routers present -- Andrew Hearn

3 3

DTLS for Centos?
by Robert Moskowitz 09 Jul '07

09 Jul '07

Is DTLS available for Centos? Either Centos 4 or 5. DTLS is TLS over UDP. Highly valued to protect SIP traffic.....

2 3

Simple Question about Resolving Names without suffix with bind
by Wei Yu 09 Jul '07

09 Jul '07

Hi I am trying to use Bind as named. And I have successfully set up a chrooted bind. Anyway, I cannot have it resolve "www" directly. For example, when I am using nslookup, when enter www.example.com, it will resolve. But when enter www, it will not. I want to have www resolve to www.example.com, what should I do? I have already set $ORIGIN in the zone file, but it does not work. Thanks.

4 4

Current version of IAXModem
by Robert Moskowitz 08 Jul '07

08 Jul '07

Trixbox is supplying a rather old version of IAXModem, 0.1.14, where current is 0.3 Does anyone know of where a version is available more current than 0.1.14?

3 4

non-privaledged reboot ???
by Robert - eLists 08 Jul '07

08 Jul '07

Greetings On centos 5, if I ssh in as a regular non-superuser account and go to the sbin dir to issue a reboot command, it wont do it as says you must be superuser If you are on the console logged in as a non-superuser account and do the same thing, it will reboot. Is this a feature, or a bug? - rh

5 5

Seeking pointers to info about LVM migration and performance
by Bart Schaefer 08 Jul '07

08 Jul '07

We have a large MySQL database currently running on a CentOS 3.x server with an external SCSI RAID device. This is currently an ext2 filesystem because it was migrated once previously from an even older RedHat system. We need to add storage capacity to this database and prepare for additional future growth. One of the options under consideration is to move to CentOS 5 and use LVM. Of some concern is that we run some pretty heavy-duty queries against this database in close to real time, so we don't want the switch to scalable storage to have a significant impact on read latency. Consequently I'm looking for sources of information on two topics: - What kind of performance can we expect from an LVM group as compared to mounting the RAID array directly? - What's involved in migrating our filesystem from ext2 to LVM with a minimum of downtime? Thanks in advance for directions.

4 9

Virtualization question
by William Warren 08 Jul '07

08 Jul '07

I want to use Centos5 as my host os and virtualize a windows server on it. My question is..do i have to be at the machine to setup the windows server inside the virtual server since windows 2k3 is gui based or can i do this remotely somehow? -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape" CDTT (Certified Duct Tape Technician) Linux user #322099 Machines: 206822 256638 276825 http://counter.li.org/

4 4

CentOS 5 - Dell Latitude d630 - Vodaphone 3g Card
by Tom Brown 08 Jul '07

08 Jul '07

Hi I may be forced to move from my mac book pro onto a dell laptop, spit, but i sure as heck dont want to have to run windows so.... Does anyone know how easy it is to get CentOS to work with a vodaphone 3g card? I see that it should be possible and a couple of reports of it working under gentoo etc but i wonder if anyone here has had any experience of this at all? thanks

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