Messages in this thread | | | Date | Thu, 14 Jul 2011 16:26:56 -0700 | From | "H. Peter Anvin" <> | Subject | Re: large initramfs causes h/w reset after decompressing |
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On 07/14/2011 03:32 PM, John Z. Bohach wrote: > On Thursday 14 July 2011 02:14:08 pm H. Peter Anvin wrote: >> On 07/14/2011 09:06 AM, John Z. Bohach wrote: >>> I have a large initramfs cpio file, about 890 MB, which expands to >>> 2.7 GB, and am running on linux-2.6.36.1, in 64-bit mode with 8 GB >>> of physical RAM. >>> >>> Upon loading the initramfs, I see the message "Decompressing..." >>> for a few seconds, and then comes a reset. >>> >>> This question has come up before...is there some sort of max size. >>> that I am exceeding? With 8 GB of physical memory and 64-bit arch. >>> (AMD-II), certainly seems that there should be enough memory, no? >>> >>> Thanks... >> >> What bootloader are you using? There are some bootloaders which >> don't allocate the initramfs in a very good spot. >> >> -hpa > > I've actually gotten the improbable to work, and am PXE booting via > syslinux and dhcp. > > It all works fine with an initramfs of ~20 MB, but that's quite a diff. > from 2.7 GB of expanded /root (890 MB cpio.tar.gz file). > > But excuse my ignorance, I don't see the relevance of your > question...the initramfs is part of the kernel itself...I simply load > the kernel bzImage (all 890 MB) and that's where its all at...this is > _not_ an initrd. >
Ah, interesting. You didn't say that. That does change some things... I would not at all be surprised if the kernel decompressor doesn't handle that very well...
-hpa
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