[Crash-utility] problem with crash on upstream kernel cores

[Josef Whiter]

On Fri, Feb 23, 2007 at 04:19:37PM -0500, Dave Anderson wrote:
> Josef Whiter wrote:
> 
> > On Fri, Feb 23, 2007 at 04:00:09PM -0500, Dave Anderson wrote:
> > > if you do this with your kernel:
> > >
> > >   # gdb vmlinux
> > >   ...
> > >   (gdb) ptype struct zone
> > >
> > > What do you see?
> > >
> >
> > (gdb) ptype struct zone
> > type = struct zone {
> >     long unsigned int pages_min;
> >     long unsigned int pages_low;
> >     long unsigned int pages_high;
> >     long unsigned int lowmem_reserve[3];
> >     struct per_cpu_pageset pageset[32];
> >     spinlock_t lock;
> >     struct free_area free_area[11];
> >     struct zone_padding _pad1_;
> >     spinlock_t lru_lock;
> >     struct list_head active_list;
> >     struct list_head inactive_list;
> >     long unsigned int nr_scan_active;
> >     long unsigned int nr_scan_inactive;
> >     long unsigned int pages_scanned;
> >     int all_unreclaimable;
> >     atomic_t reclaim_in_progress;
> >     atomic_long_t vm_stat[14];
> >     int prev_priority;
> >     struct zone_padding _pad2_;
> >     wait_queue_head_t *wait_table;
> >     long unsigned int wait_table_hash_nr_entries;
> >     long unsigned int wait_table_bits;
> >     struct pglist_data *zone_pgdat;
> >     long unsigned int zone_start_pfn;
> >     long unsigned int spanned_pages;
> >     long unsigned int present_pages;
> >     const char *name;
> > }
> >
> > It looks like free_pages has been removed altogether.
> 
> That appears to be a very recent change -- 2.6.20.1 still has it:
> 
> struct zone {
>         /* Fields commonly accessed by the page allocator */
>         unsigned long           free_pages;
>         unsigned long           pages_min, pages_low, pages_high;
>         ...
> 
> What version are you using?  Are you running 2.6.21-rc1?
> 

No, I pulled linus's git tree down maybe a week ago, so its close to -rc1.

Josef