Messages in this thread | | | Date | Mon, 25 Jul 2005 14:45:58 -0700 | From | Andrew Morton <> | Subject | Re: Kernel 2.6.12 and 2.6.13 hangs for a while on boot |
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"Francisco Figueiredo Jr." <fxjrlists@yahoo.com.br> wrote: > > I'm having little hangs while booting with kernels 2.6.12 and 2.6.13-rc1, rc2 > and rc3. > > It is strange that 2.6.12-rc1 booted ok without hangs. > > I saw a post of Alan Cox on rc-1 release notes: > > "Old ISA/VESA systems sometimes put tertiary IDE controllers at addresses > 0x1e8, 0x168, 0x1e0 or 0x160. Linux thus probes these addresses on x86 > systems. Unfortunately some PCI systems now use these addresses for other > purposes which leads to users seeing minute plus hangs during boot or even > crashes." > > I thought this could be my problem, but it still hangs on boot. > > Hangs appears just before mounting filesystems message and before configuring > system to use udev.
Are these hangs temporary or permanent? If they are temporary (ie: the kernel recovers OK) then we should call them "stalls". Because a "hang" is considered to be a permanent state.
Either way, we need to know where the kernel is stuck. Adding `initcall_debug' to your kernel boot command may help.
And when the hang/stall occurs, hit the ALT-SSQRQ-P and ALT-SYSRQ-T key combinations and send us the resulting traces.
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