On Thu, Jan 27, 2005 at 03:20:34PM -0800, Dave Hansen wrote:
> On Thu, 2005-01-27 at 15:00 -0800, Mark Wong wrote:
> > Here are results from a run I did on my little ia32 system. Attached
> > are the output from the 'make test', my kernel config, and output in
> > /var/log/messages. No messages to the console this time...
>
> First of all, the rotate-dave.sh script is broken. I've made a few
> changes, and attached the diff that I'm currently using.
>
> That should clear up these errors from the script:
>
> > online 8 (0x40000000)
> > rotate-dave.sh: line 7: /sys/devices/system/memory/memory8/state: No such file or directory
> > online 9 (0x48000000)
> > rotate-dave.sh: line 7: /sys/devices/system/memory/memory9/state: No such file or directory
> > rotate-dave.sh: line 47: /sys/devices/system/memory/memory8/state: No such file or directory
>
> Your test.out file actually looks pretty good. The !page_is_ram()
> messages can pretty much be ignored. They haven't turned out to be very
> useful, so I'll probably drop them completely from the next set.
>
> The rest of your test appears to be a bunch of on/offline operations,
> until the system ran out of RAM. Now, I can't quite tell what kind of
> RAM it ran out of, or why without some more information. I
> need /proc/{mem,slab,buddy}info before and after the test, and probably
> snapshots during the test.
>
> I *think* the new nonlinear code is simply leaking the mem_map from
> sections as they're removed. Please try the attached patch.
>
Ok now it's:
./run.sh 5 ./aioalloc
online 8 (0x40000000)
waiting for memory8 to appear...
... (over and over again) ...
This in /var/log/messages:
Jan 27 15:44:43 cl007 __add_pages(c03cc580, 00040000, 65536, 00000000)
Jan 27 15:44:43 cl007 for: i: 0
Jan 27 15:44:43 cl007 __add_section(c03cc580, 00040000, 00000000)
Jan 27 15:44:43 cl007 __kmalloc_section_memmap() got page: c13b8000
Jan 27 15:44:43 cl007 page_count(page): 1
Jan 27 15:44:43 cl007 __add_section() phys_start_pfn: 00040000
Jan 27 15:44:43 cl007 sparse_init_one_section(c04b9490, 4, ddc00000) ms->section_mem_map: 00000000
Jan 27 15:44:43 cl007 build_zonelists_node() zonelist: c03cc900
Jan 27 15:44:43 cl007 build_zonelists_node() zonelist: c03cc910
Jan 27 15:44:43 cl007 build_zonelists_node() zonelist: c03cc920
Jan 27 15:44:43 cl007 memmap_init_zone() start_pfn: 00040000 page: ddc00000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00040000 page: ddc00000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00040800 page: ddc10000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00041000 page: ddc20000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00041800 page: ddc30000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00042000 page: ddc40000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00042800 page: ddc50000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00043000 page: ddc60000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00043800 page: ddc70000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00044000 page: ddc80000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00044800 page: ddc90000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00045000 page: ddca0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00045800 page: ddcb0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00046000 page: ddcc0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00046800 page: ddcd0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00047000 page: ddce0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00047800 page: ddcf0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00048000 page: ddd00000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00048800 page: ddd10000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00049000 page: ddd20000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 00049800 page: ddd30000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004a000 page: ddd40000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004a800 page: ddd50000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004b000 page: ddd60000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004b800 page: ddd70000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004c000 page: ddd80000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004c800 page: ddd90000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004d000 page: ddda0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004d800 page: dddb0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004e000 page: dddc0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004e800 page: dddd0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004f000 page: ddde0000
Jan 27 15:44:43 cl007 memmap_init_zone() pfn: 0004f800 page: dddf0000
Jan 27 15:44:43 cl007 register_new_memory(c04b9490)
