Messages in this thread | | | Date | Thu, 23 Sep 1999 17:30:12 -0400 | From | Matt Wilson <> | Subject | Re: syslinux-1.43 bug [and possible PATCH] |
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This was fixed in 1.44, AFAIK. HIGHMEM_MAX is now 38000000h. We're using 1.45 for our next release.
Matt msw@redhat.com
On Thu, Sep 23, 1999 at 02:09:58PM -0700, Kanoj Sarcar wrote: > I have a possible problem to report with syslinux, and a suggested > fix. Please send me comments and feedback at kanoj@engr.sgi.com, > since I am not subscribed to the syslinux or kernel lists. > > While installing linux (RedHat6.0, SuSe, Mandrake etc) on a ia32 > Compaq box with 1.5Gb memory, I have observed kernel panics from > mount_root. On further investigation, syslinux decides to put initrd > at a high physical address, which the Linux kernel, compiled with > PAGE_OFFSET=0xc0000000 can not access. The kernel can access at > the most physical address 0x3c000000, whereas syslinux/ldlinux.asm > can put initrd as high as HIGHMEM_MAX=0x3f000000. This leads > setup_arch() to decide it can not use initrd, thus causing the > kernel panic. > > The easy fix to me seems to be to change HIGHMEM_MAX in > syslinux/ldlinux.asm to 0x3c000000. In fact, I have verified on > a couple of machines that this will let the installation proceed. > > Have other people run into this problem and worked around it some > other way? (One way would be to specify mem= at the boot: prompt > from syslinux. Yet another way seems to be to specify mem= in > the syslinux.cfg file. Changing HIGHMEM_MAX seems to be the cleanest, > although I am not sure whether this will impact the capability of > syslinux to install other os'es). > > Thanks. > > Kanoj > kanoj@engr.sgi.com > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.tux.org/lkml/
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