Believe GRUB or your lying eyes?

Bruce Marshall bmarsh at bmarsh.com
Mon Jan 24 00:52:21 UTC 2011


On Sunday, January 23, 2011, Jerry Lapham wrote:
> Does GRUB "Error 15: File not found." ever mean anything other than it
> can't find the file?
> 
> On my laptop with Kunbuntu 10.10, the GRUB menu.list shows
> 
> title		Ubuntu 10.10, kernel 2.6.35-24-generic on sda6
> uuid		fe69ca55-d3a8-4b6d-bd2d-2cf858629e1b
> kernel		/boot/vmlinuz-2.6.35-24-generic root=UUID=fe69ca55-d3a8-4b6d-
> bd2d-2cf858629e1b ro quiet splash
> initrd		/boot/initrd.img-2.6.35-24-generic
> quiet
> 
> and
> 
> title		Ubuntu 10.10, kernel 2.6.32-27-generic on sda6
> uuid		fe69ca55-d3a8-4b6d-bd2d-2cf858629e1b
> kernel		/boot/vmlinuz-2.6.32-27-generic root=UUID=fe69ca55-d3a8-4b6d-
> bd2d-2cf858629e1b ro quiet splash
> initrd		/boot/initrd.img-2.6.32-27-generic
> quiet
> 
> When I select the first one I get "Error 15: File not found."
> 
> When I select the second, it boots.
> 
> I don't have any trouble find ing it:
> 
> jerry at laptop2:/boot$ ls -l
> total 59108
> -rw-r--r-- 1 root root   528310 2009-09-09 08:56 abi-2.6.28-15-generic
> -rw-r--r-- 1 root root   629853 2010-05-27 00:21 abi-2.6.31-22-generic
> -rw-r--r-- 1 root root   651949 2010-12-01 19:48 abi-2.6.32-27-generic
> -rw-r--r-- 1 root root   705861 2010-12-02 02:07 abi-2.6.35-24-generic
> -rw-r--r-- 1 root root    96804 2009-09-09 08:56 config-2.6.28-15-generic
> -rw-r--r-- 1 root root   111349 2010-05-27 00:21 config-2.6.31-22-generic
> -rw-r--r-- 1 root root   116048 2010-12-01 19:48 config-2.6.32-27-generic
> -rw-r--r-- 1 root root   128614 2010-12-02 02:07 config-2.6.35-24-generic
> drwxr-xr-x 2 root root     4096 2011-01-09 20:57 grub
> -rw-r--r-- 1 root root  7020671 2010-07-16 16:38
> initrd.img-2.6.28-15-generic -rw-r--r-- 1 root root  7232898 2010-07-16
> 16:24 initrd.img-2.6.31-22-generic -rw-r--r-- 1 root root  9645859
> 2011-01-09 20:33 initrd.img-2.6.32-27-generic -rw-r--r-- 1 root root
> 10754688 2011-01-09 20:51 initrd.img-2.6.35-24-generic -rw-r--r-- 1 root
> root   165084 2010-09-24 13:14 memtest86+.bin
> -rw-r--r-- 1 root root   167264 2010-09-24 13:14 memtest86+_multiboot.bin
> -rw-r--r-- 1 root root  1450680 2009-09-09 08:56
> System.map-2.6.28-15-generic -rw-r--r-- 1 root root  1668340 2010-05-27
> 00:21 System.map-2.6.31-22-generic -rw-r--r-- 1 root root  1690473
> 2010-12-01 19:48 System.map-2.6.32-27-generic -rw-r--r-- 1 root root 
> 1831358 2010-12-02 02:07 System.map-2.6.35-24-generic -rw-r--r-- 1 root
> root     1074 2009-09-09 08:58 vmcoreinfo-2.6.28-15-generic -rw-r--r-- 1
> root root     1196 2010-05-27 00:23 vmcoreinfo-2.6.31-22-generic
> -rw-r--r-- 1 root root     1196 2010-12-01 19:50
> vmcoreinfo-2.6.32-27-generic -rw-r--r-- 1 root root     1192 2010-12-02
> 02:10 vmcoreinfo-2.6.35-24-generic -rw-r--r-- 1 root root  3491312
> 2009-09-09 08:56 vmlinuz-2.6.28-15-generic -rw-r--r-- 1 root root  3900960
> 2010-05-27 00:21 vmlinuz-2.6.31-22-generic -rw-r--r-- 1 root root  4038016
> 2010-12-01 19:48 vmlinuz-2.6.32-27-generic -rw-r--r-- 1 root root  4294032
> 2010-12-02 02:07 vmlinuz-2.6.35-24-generic
> 
> Why can't GRUB?

I can't see any reason...   If I were troubleshooting this I would:

Edit the 2nd entry, and substitute the 35-24  into the entries....   might 
even do that one at a time....   

Doing it one at a time might not give you a valid boot since the files would 
be mis-matched but it would at least show you which file it can't find.




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