Ubuntu :: Delay MythTV Backend During Boot Process?
Apr 24, 2010
When I reboot my computer I cannot see my Tuner card until I manually restart the MythTV backend.
the problem is that the backend is being started before the drivers to the tuner card (HVR-2250). is there a way to change this.
I figure I should ask here as more people know there way around start up commands. I figure the easiest thing to do is to edit this file:
Code:
/etc/init/mythtv-backend.conf
I would think adding a sleep or wait command would do the trick?
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Aug 12, 2011
I had a dedicated HTPC box running Mythbuntu 11.04 (MythTV 0.24.1, I believe) that was both a master backend and frontend. I was also running a separate box (server 10.04) as a file server, print server, etc. Very recently I decided to try to migrate the backend duties and database from the HTPC box to the server so that I only need to have one machine running 24/7. So, on the server, I installed mythtv-backend-master from the repository, which for 10.04 is version 0.23.0+fixes. You might have seen this one coming... when I try to import the database from the Mythbuntu box into the server's MythTV installation, I get an error message saying the database schema (1264) is newer than expected (1254).
So, I'm wondering about my options at this point. Is it reasonable to install the same version of MythTV on the server? What would be the best way of going about that?
Is there a way to easily revert the database schema to the earlier version that's required?
Will I just need to start over with a new database? (Hopefully not this one.)
Other options I haven't thought of?
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May 8, 2010
why upstart is broken in 10.04? The old init of /etc/init.d/mythtv-backend start worked fine in 9.10.
$ start mythtv-backend
start: Rejected send message, 1 matched rules; type="method_call", sender=":1.93" (uid=1000 pid=21758 comm="start) interface="com.ubuntu.Upstart0_6.Job" member="Start" error name="(unset)" requested_reply=0 destination="com.ubuntu.Upstart" (uid=0 pid=1 comm="/sbin/init"))
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Feb 7, 2010
I'm trying to setup Mythbuntu on a computer connected to a TV. I have bought an USB DVB-T Receiver, named WandTV. According to LinuxTV; WandTV, aka Shenzhen Forward Video EzTV859, is supported in the Linux kernel.
When I try to setup the mythTV backend I'm being asked of what card type I have. I guess the answer to that is "DVB DTV capture card (v3.x)", but no matter what I choose, it can't find any devices.
I'm pretty sure /dev/hidraw0 is the receiver, can I use that to setup the backend?
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Apr 14, 2011
I have recently installed Suse 1.4_64 on my system. During the boot process I experience two delays of about 30 seconds, every time I boot up.
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Aug 4, 2010
Every time I boot up OpenSUSE 11.3 it hangs at the same "position" for approximately 3 minutes and then continues to boot. Unfortunately I see no corresponding error log e.g. in dmesg output. Hence, I don't know what is the reason for that. Here is my dmesg output. The delay occurs at 20 seconds after beginning of boot process (line 1085). I also analyzed the boot process with bootchart.
My computer: Notebook Lenovo ThinkPad R400.
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Oct 6, 2010
I have a problem with cpu, when i'm not running any application ,cpu is 100%, this picture. i use acer 4741 ram 2Gb ddr3, core i3 2.13Gh.
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Nov 29, 2010
I want to install GTK+. I see there are also numerous dependencies, which i've been slowly tackling, and the Cairo package has been particularly difficult. It claims the following upon ./configure --prefix=/usr configure: WARNING: Could not find libpng in the pkg-config search path checking whether cairo's PNG backend could be enabled... no configure: error: requested PNG backend could not be enabled I've done some searching and found that libpng.pc is in my /usr/lib/pkgconfig/ directory and that the following commands don't do the trick:
PKG_CONFIG_PATH=/usr/lib/pkgconfig
export PKG_CONFIG_PATH
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Mar 9, 2010
i installed yumex:yum -y install yumex, when i start yumex it came with this error:fatal error:backend-not-running backend not running as expected (yumex will close) how can i solve it?
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Apr 21, 2011
When an SD card is inserted before/at boot time, everything works fine, meaning recognized by kernel and mounted to userspace.When an SD card is inserted after boot time, the kernel doesn't 'see' the hardware change not triggered, so no block device /dev/mmcblk0{p1}, so nothing to mount.This behavior is not openSuSE specific, when booting SystemRescueCD-2.0.1, the same behavior is noticed.SD card inserted after booting:
Code:
linux-j60s:~ # hal-device | grep mmc
linux-j60s:~ #
[code]...
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May 11, 2011
After GRUB 2 comes up (I'm running Ubuntu 10.10) and I choose the OS to boot, there is about a 5 second delay where nothing appears to happen after I make the selection -- no disk activity. It happens consistently every time I boot. Again, this is after I choose the OS to boot, so it shouldn't have anything to do with the standard delay to allow me to choose the appropriate OS.Is there a good way to troubleshoot this and determine what is causing the delay?
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Nov 26, 2010
In Ubuntu 8.04, when I wanted to reduce the boot menu delay I had to do the following:
enter in terminal: gksu gedit /boot/grub/menu.lst
I then looked for the line that begins with timeout and changed the value (shortened the delay)
Now with ubuntu 10.10, when I tried this I do get into the Gedit text editor as with 8.04 but it is completely blank, no entries at all? So nothing to change! So how do I change the boot menu delay in ubuntu 10.10?
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Jan 7, 2011
I'm running ubuntu on a macbook5,4, and I get a 30-second long pause during the boot sequence. (I have quiet turned off.) This shows up in dmesg as:
Code:
[ 1.847208] EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null)
[ 2.000059] usb 4-1: new full speed USB device using ohci_hcd and address 2
[ 2.239138] hub 4-1:1.0: USB hub found
[ 2.242107] hub 4-1:1.0: 3 ports detected
[ 2.590102] usb 3-5: new low speed USB device using ohci_hcd and address 2
[ 2.672282] scsi 6:0:0:0: Direct-Access APPLE SD Card Reader 1.00 PQ: 0 ANSI: 0
[ 2.672863] sd 6:0:0:0: Attached scsi generic sg2 type 0
[ 2.674243] sd 6:0:0:0: [sdb] Attached SCSI removable disk
[ 3.160035] usb 3-6: new full speed USB device using ohci_hcd and address 3
[ 3.492058] usb 4-1.1: new full speed USB device using ohci_hcd and address 3
[34.373586] udev[417]: starting version 163
[34.422599] lp: driver loaded but no devices found
[34.503755] lib80211: common routines for IEEE802.11 drivers
[34.503759] lib80211_crypt: registered algorithm 'NULL'
[34.508256] wl: module license 'MIXED/Proprietary' taints kernel.
[34.508260] Disabling lock debugging due to kernel taint
Details:
Linux jagadai 2.6.35-24-generic #42-Ubuntu SMP Thu Dec 2 02:41:37 UTC 2010 x86_64 GNU/Linux
Grub.
Dual boot with OS X 10.6.4 using rEFIt. It shouldn't be at all relevant, but I'm using E17 on top of kdm.
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Feb 3, 2011
This morning I had the courage to run an apt-get autoremove which took some 275 packages off my hard drive, and now I am experiencing a delay of about 40 seconds at boot, after grub, before the plymouth splash appears. The cursor blinks on a black screen while the hard drive churns away. Finally two error messages appear too quickly to be read, and then the bootsplash kicks in. I can find the instant in the dmesg where the delay happens, but can't locate the cause. Here's what my dmesg looks like:
[Code]....
The laptop is an Acer Timeline X 3820TG, with the dual GPU "switchable graphics." These dual graphics cards have given me enough trouble in the past that I wouldn't be surprised if they were the problem. But the hard drive action sounds like a 'fsck,' and seems to be contemporaneous with the dmesg notice that the root partition is mounted.
Incidentally, my boot wasn't all that fast before; I would not be surprised if this delay was preexisting, but used to happen after the plymouth boot screen was already on screen. Still, if I can get rid of this one ugly delay, I can have a fast (c. 10 secs) boot time.
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Oct 19, 2010
I know this might sound stupid, but how do I change the time delay for a dual boot?
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Apr 23, 2010
I have a 5,2 macbook pro, and I use refit to boot my ubuntu partition. I do not have an OSX partition on the local drive at all. The only partitions that are on the drive are the EFI, ubuntu and swap. Refit lives on the EFI dos partition.I am experiencing a very long delay on power-on before the system will load refit (probably 20-30 seconds) Once it loads everything is normal.
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Feb 21, 2010
I'm trying to track down a longggg delay during OpenSUSE 11.2 boot. It's 1 to 2 minutes long.
1. I upgraded the kernel to "vmlinux-2.6.31.12-0.1-desktop.gz" a while back, and I'm "kind of" thinking this is when it began. It seems in previous versions (I came from 10.3) that the grub menu always contained the previous version. That doesn't seem to be true in 11.2. Is there any way to tell OpenSUSE YaST/zypper to keep the previous version and leave the entry in grub?
2. What does this message mean: "BIOS EDD facility v0.16 2004-Jun-25, 2 devices found"?
I haven't pinpointed the error, and there is nothing really obvious in /var/log/messages. The drives are there, and the network is up. I'm sort of leaning towards the new kernel. What processes wait 60 seconds? If I watch the console closely for the message before the delay, it can vary.
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Jul 18, 2011
I have a Macbook 5,2, on which I'm triple booting OS X - Linux - Windows, using bootcamp and rEFIt.I had a variation of Ubuntu 10.04 called Uber Student as the linux installation.I installed Ubuntu 11.04 AMD64 instead, by choosing the EFI boot option.Now this gave me some problems. When I shot down, the Macbook gives me a troubling long beep sound.When I start up, I'm still able to boot up into rEFIt and Grub2, but there is a big delay with the screen being black for about 30 seconds and the little white light in the left corner of the Macbook is blinking feverishly. I read something about a guy which had a similar problem and the process seemed to mess up the firmware on his Macbook, so he had to have his MB changed.
What's up with the scary beep sound and the long boot up delay?Secondly, when I want to do an update of the Ubuntu system, the update manager asks me to do a partial upgrade, which includes removing the grub-EFI, resulting in a system that won't boot...
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May 30, 2010
I am brand new to Ubuntu and I am trying to find out if its possible. When the laptop starts it gives me 30secs to choose windows or ubuntu? Is there anyway to change the order or the timer?
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Mar 14, 2010
I need to do a NFS mount after my PC boot up. So I put an entry in root's cron to do it:
@reboot /bin/mount sun:/mynfs /mnt/sun/mynfs
The mount occasionally fails. But when I manually mount after booting, it always succeed. So I suspect maybe the cron sometimes got executed before the network was started?
Is there a way to delay the mount until after the boot sequence finishes? You know, other than put the command in a script and add a sleep in front of it?
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Jan 16, 2010
when i try to boot from the disk i burned, the screen show to lines of code, then pauses and never continues with any process.
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Jul 18, 2011
I have installed "open-SUSE 11.4" on a "500GB Free Agent External Hard Drive". I didn't have any problem in booting since last week that I booted it from my laptop. Also I did it before several times from then when I try to boot it e.g. from an "Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz" PC the time between loading INITRD and starting boot sequence messages lasts nearly 30 minutes!(i didn't actually measure it but it take a long time in the same order). after starting boot sequence which is showed on monitor everything looks normal. e.g copy of files would be done by speeds between 2MB/s to 30 MB/s depending on the targets.I used to use the external hard derive to boot from different laptops and PC's from start but I didn't have such a problem anytime.
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Dec 17, 2010
Hwhen I try to update my cache in Wubi 10.1,it starts giving me a message that "waiting for jockey-backend to exit" and nothing continues,I dont know what is it all about and how to solve it?
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Jun 5, 2010
I upgraded to 10.04 weeks ago and have been running it fine.Now when I start up my computer it gets to the GRUB loading stage (counts down to 0), then the monitor goes blank for a moment and then several thin scratchy lines about an inch wide in total appear across the top of the monitor and it just freezes there.The boot process just stops.I've had these lines appear ever since I upgraded, but they were always momentary and the boot process just continued. Where do I start in diagnosing and fixing this?
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Sep 1, 2011
So I (being an idiot) screwed up my boot process. While tinkering around with random things I was reading here and there, trying to get my Burg and Plymouth resolutions to look normal, I think I tried something, not realizing that it was intended for intel graphics (I am running ati). During boot I get a "FATAL; Error inserting i915 (/lib/modules/2.6.38-10-generic/kernel/drivers/gou/drm/i915/i915.ko): No such device
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Oct 17, 2010
My system after installing Ubuntu 10.04 has an annoying 30 second pause during the boot process. It comes after BIOS checks and before the splash screen, the monitor is just black with a flashing cursor. The system has two IDE drives (/boot and /home) and a SCSI drive (/). There is a SCSI MO drive on it's own controller.
Partial lspci:
01:09.0 SCSI storage controller: Adaptec AIC-7892B U160/m (rev 02)
01:0a.0 SCSI storage controller: LSI Logic / Symbios Logic 53c810 (rev 23)
I attached a clip from bootchart and a boot log file.
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Apr 30, 2010
I've just installed the Netbook Edition of Lucid on my MacBook, and it works great, with two issues:
First, each time I start, the computer is extraordinarily laggy (pretty much unusable), until I run System Testing for video, and go through the whole process. Then it seems to work great. Also, I'm having a 100% CPU issue, which switches between my two CPUs. There was nothing under "my processes" that showed any kind of heavy use. But, under "all processes" was something called Backend. I killed the process and now everything seems to be working just fine.
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Jan 2, 2010
I got a problem. At the day of New YEar, i got a virus, that my antivirus big time. When i started Windows, i instantly got BSoD. I managed to format my HDD, and now i wanna try to install Ubuntu. It has been working before, but after an update, I can't get further then the logo in the boot process. Now, I don't have any OS. Ubuntu & Kubuntu both just gives me the logo/loading screen, and then goes black..
windows 7 also just goies to "Starting windows"... Prretty annoying.
Think i got 3 GB RAM, 950gb HDD, and 2x 128 MB ATI X-Fire video.
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Jan 5, 2010
I would like to customize my bootprocess on Karmic Koala.on <= jaunty i have been using the bootupmanager but on karmic it does not list all the processes and their state properly. so i think the internal changes within the karmic bootprocess have made bum inoperable. which is not that bad since karmic boots much faster but still i would like to make some changes to karmics boot.
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Jun 6, 2010
Fighting against Grub2 boot troubles, i've seen on screen that the problems comes when detecting internal SATA devices.
But logs dont help about the scanning boot process, so i search a way to log this verbose process by adding some code into /etc/default/grub or something else.
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