Re: [lfs-support] Boot problem
On Mon, Aug 19, 2013 at 07:23:25AM -0400, Richard wrote: I don't use the serial port often, but I'd like to have the option of using it. I'm sceptical that it is a hardware problem, since this problem doesn't show up with my other operating systems, which include LFS 6.2, PCLinux OS, Windows XP and Windows 98. Richard Welcome to the joys of kernel changes which cause intermittent failures (races, probably) and are therefore hard to bisect. I've got my own on r8169 - as a module, it occasionally seems to come up late - no error messages, but my /sources nfs mount doesn't happen [ but my user nfs mounts from ~/.bashrc work fine ]. When I first saw this (early 3.10-rc) it happened frequently, but now I hardly ever notice it - happened again on my current boot (3.11-rc). All I can suggest is that you update to a current stable kernel (3.10.latest) if you haven't already done so. Might be fixed, might be harder to hit, might be no change. ĸen -- das eine Mal als Tragödie, dieses Mal als Farce -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
Re: [lfs-support] Boot problem
Richard wrote: Date: Sun, 18 Aug 2013 09:37:21 -0500 From: Bruce Dubbs bruce.du...@gmail.com Subject: Re: [lfs-support] Boot problem To: LFS Support List lfs-support@linuxfromscratch.org Message-ID: 5210dc21.3070...@gmail.com Content-Type: text/plain; charset=ISO-8859-1; format=flowed Richard wrote: I have a LFS 7.2 system and a Shuttle AV49 motherboard. About one time in every 20 bootups, my computer hangs up and I have to power it down and back up. When it hangs, the last line I see on the monitor is: Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled When it boots successfully, the next line I see is: serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A So it appears that the problem has something to do with the uart. I've tried searching the web and I did find some mention of a potential problem detecting the uart, but I didn't find a solution. Is anyone aware of this particular problem? I assume it is a kernel bug of some kind. I haven't been able to get any useful information from the logs, everything just seems to stop at the above point. I'd say it's more likely a hardware problem. Are you using the serial port at all? If not, just disable all configuration items in the kernel regarding serial ports. -- Bruce I don't use the serial port often, but I'd like to have the option of using it. Build the 8250 UART support as a module and check if the boot process still stops. If you need the UARTs just load the driver module. I'm sceptical that it is a hardware problem, since this problem doesn't show up with my other operating systems, which include LFS 6.2, PCLinux OS, Windows XP and Windows 98. Maybe broken ACPI tables where newer kernels stumble across. Build as much features as a module and try again. Load the modules if you need their features and see what happens. Juergen -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
[lfs-support] Boot problem
I have a LFS 7.2 system and a Shuttle AV49 motherboard. About one time in every 20 bootups, my computer hangs up and I have to power it down and back up. When it hangs, the last line I see on the monitor is: Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled When it boots successfully, the next line I see is: serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A So it appears that the problem has something to do with the uart. I've tried searching the web and I did find some mention of a potential problem detecting the uart, but I didn't find a solution. Is anyone aware of this particular problem? I assume it is a kernel bug of some kind. I haven't been able to get any useful information from the logs, everything just seems to stop at the above point. Thanks, Richard -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
Re: [lfs-support] Boot problem
Richard wrote: I have a LFS 7.2 system and a Shuttle AV49 motherboard. About one time in every 20 bootups, my computer hangs up and I have to power it down and back up. When it hangs, the last line I see on the monitor is: Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled When it boots successfully, the next line I see is: serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A So it appears that the problem has something to do with the uart. I've tried searching the web and I did find some mention of a potential problem detecting the uart, but I didn't find a solution. Is anyone aware of this particular problem? I assume it is a kernel bug of some kind. I haven't been able to get any useful information from the logs, everything just seems to stop at the above point. I'd say it's more likely a hardware problem. Are you using the serial port at all? If not, just disable all configuration items in the kernel regarding serial ports. -- Bruce -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
