On Mon, Dec 06, 2004 at 09:43:16AM -0800, Dave Hansen wrote: > On Mon, 2004-12-06 at 09:28, Mark Wong wrote: > > I was trying out tests-041126 against the 2.6.10-rc1-mm5-mhp1 with > > page_section, local_memmap, local_memalloc, lru_drain_wq, nonlinear > > and nowriteback patches applied on top of that. I get the following > > oops when I run make test, let me know if I can provide more > > information: > ... > > EIP is at online_pages+0x7f/0xb0 > > eax: 2073096d ebx: 00000000 ecx: 2073096d edx: 2073096d > > esi: ffcae800 edi: 00008000 ebp: f747f3e0 esp: f750eea0 > > The odds are that is from this loop: > > for (i = 0; i < nr_pages; i++) > online_page(pfn_to_page(pfn + i)); > > So, either the pfn_to_page translation is bogus, or the pages aren't > mapped properly. I'd suspect the local_memmap patches. More complete > debugging info would include an 'addr2line -e c01669cf vmliunux' and > disassembly of online_pages(). > The addr2line returned: ??:0 But here is a disassembly of online_page() from objdmp: c0166950 <online_pages>: c0166950: 57 push %edi c0166951: b8 2e 7c 36 c0 mov $0xc0367c2e,%eax c0166956: 56 push %esi c0166957: 53 push %ebx c0166958: 83 ec 10 sub $0x10,%esp c016695b: 31 db xor %ebx,%ebx c016695d: 89 44 24 04 mov %eax,0x4(%esp,1) c0166961: 8b 7c 24 24 mov 0x24(%esp,1),%edi c0166965: 8b 74 24 20 mov 0x20(%esp,1),%esi c0166969: c7 04 24 40 b5 37 c0 movl $0xc037b540,(%esp,1) c0166970: 89 7c 24 08 mov %edi,0x8(%esp,1) c0166974: 89 74 24 0c mov %esi,0xc(%esp,1) c0166978: e8 33 c7 fb ff call c01230b0 <printk> c016697d: 39 fb cmp %edi,%ebx c016697f: 72 3f jb c01669c0 <online_pages+0x70> c0166981: 89 34 24 mov %esi,(%esp,1) c0166984: e8 77 f8 ff ff call c0166200 <pfn_to_page> c0166989: 8b 00 mov (%eax),%eax c016698b: c1 e8 1d shr $0x1d,%eax c016698e: 8b 04 85 30 08 4a c0 mov 0xc04a0830(,%eax,4),%eax c0166995: 01 b8 18 03 00 00 add %edi,0x318(%eax) c016699b: b8 2e 7c 36 c0 mov $0xc0367c2e,%eax c01669a0: 89 7c 24 08 mov %edi,0x8(%esp,1) c01669a4: 89 44 24 04 mov %eax,0x4(%esp,1) c01669a8: c7 04 24 78 b5 37 c0 movl $0xc037b578,(%esp,1) c01669af: e8 fc c6 fb ff call c01230b0 <printk> c01669b4: 83 c4 10 add $0x10,%esp c01669b7: 31 c0 xor %eax,%eax c01669b9: 5b pop %ebx c01669ba: 5e pop %esi c01669bb: 5f pop %edi c01669bc: c3 ret c01669bd: 8d 76 00 lea 0x0(%esi),%esi c01669c0: 8d 04 33 lea (%ebx,%esi,1),%eax c01669c3: 89 04 24 mov %eax,(%esp,1) c01669c6: e8 35 f8 ff ff call c0166200 <pfn_to_page> c01669cb: 89 c2 mov %eax,%edx c01669cd: 89 c1 mov %eax,%ecx c01669cf: 8b 00 mov (%eax),%eax c01669d1: a9 00 80 00 00 test $0x8000,%eax c01669d6: 74 03 je c01669db <online_pages+0x8b> c01669d8: 8b 4a 0c mov 0xc(%edx),%ecx c01669db: 8b 41 04 mov 0x4(%ecx),%eax c01669de: 40 inc %eax c01669df: 74 07 je c01669e8 <online_pages+0x98> c01669e1: 43 inc %ebx c01669e2: 39 fb cmp %edi,%ebx c01669e4: 72 da jb c01669c0 <online_pages+0x70> c01669e6: eb 99 jmp c0166981 <online_pages+0x31> c01669e8: 89 14 24 mov %edx,(%esp,1) c01669eb: e8 90 17 fb ff call c0118180 <online_page> c01669f0: eb ef jmp c01669e1 <online_pages+0x91> c01669f2: 8d b4 26 00 00 00 00 lea 0x0(%esi,1),%esi c01669f9: 8d bc 27 00 00 00 00 lea 0x0(%edi,1),%edi
