Jay Lan wrote:
> Dave Anderson wrote:
>
> > Ok, so what happens if you comment out these two lines
> > in memory.c at line 573:
> >
> > if (symbol_exists("pgdat_list") && !IS_SPARSEMEM())
> > vt->flags |= NODES;
>
> By commenting out these two lines (and previous patch), the crash
> did come up.
>
> KERNEL: vmlinuz-2.6.18-kdump
> DUMPFILE: vmcore-nmi
> CPUS: 2
> DATE: Fri Oct 20 11:20:13 2006
> UPTIME: 00:11:05
> LOAD AVERAGE: 0.12, 0.04, 0.01
> TASKS: 67
> NODENAME: pogo1
> RELEASE: 2.6.18-kdump
> VERSION: #40 SMP Wed Oct 18 17:53:19 PDT 2006
> MACHINE: ia64 (1400 Mhz)
> MEMORY: 1.6 GB
> PANIC: ""
> PID: 0
> COMMAND: "swapper"
> TASK: a0000001008f4000 (1 of 4) [THREAD_INFO: a0000001008f5060]
> CPU: 0
> STATE: TASK_RUNNING
> WARNING: panic task not found
>
> crash>
>
> >
> > Also, can you do this:
> >
> > $ gdb vmlinuz-2.6.18-kdump
> > ...
> > (gdb) ptype struct pglist_data
>
> Here it is:
>
> (gdb) ptype struct pglist_data
> type = struct pglist_data {
> struct zone node_zones[4];
> struct zonelist node_zonelists[5];
> int nr_zones;
> struct page *node_mem_map;
> struct bootmem_data *bdata;
> long unsigned int node_start_pfn;
> long unsigned int node_present_pages;
> long unsigned int node_spanned_pages;
> int node_id;
> wait_queue_head_t kswapd_wait;
> struct task_struct *kswapd;
> int kswapd_max_order;
> }
> (gdb)
>
> Thanks,
> - jay
Hi Jay,
I'm still searching for the proper fix without breaking the
other arches and kernel configurations.
What is the output of "help -v"?
Thanks,
Dave
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