I've recently got a message in dmesg about detecting possible stack
overflow.
I checked my kernel log, and found a lot of good info. It is attatched.
I'm not sure if this is a pagebuf bug or what, but any help would be
appreciated. I'm using 2.4.19-aa1.
Austin
Oct 30 00:28:19 Infdb2 kernel: Detected potential for stack overflows, stack
left: 884 bytes
Oct 30 00:28:19 Infdb2 kernel: d6908a18 c02a7e40 00000374 00000003 c7b98800
e348c020 8d041cac 2902040a
Oct 30 00:28:19 Infdb2 kernel: c010d248 c7b98800 d6908000 00000000
e348c020 8d041cac 2902040a c031a250
Oct 30 00:28:19 Infdb2 kernel: 052b0018 0b030018 ffffff12 c028e89a
00000010 00000216 05401100 0a9e005f
Oct 30 00:28:19 Infdb2 kernel: Call Trace: [call_do_IRQ+5/13]
[ipt_do_table+170/1008] [ipt_local_hook+119/208]
[ip_local_deliver_finish+0/304] [nf_iterate+46/128]
Oct 30 00:28:19 Infdb2 kernel: Call Trace: [<c010d248>] [<c028e89a>]
[<c0290d47>] [<c0261f30>] [<c025ac4e>]
Oct 30 00:28:19 Infdb2 kernel: [ip_local_deliver_finish+0/304]
[ip_local_deliver_finish+0/304] [nf_hook_slow+207/384]
[ip_local_deliver_finish+0/304] [ip_local_deliver+379/400]
[ip_local_deliver_finish+0/304]
Oct 30 00:28:19 Infdb2 kernel: [<c0261f30>] [<c0261f30>] [<c025af7f>]
[<c0261f30>] [<c0261b7b>] [<c0261f30>]
Oct 30 00:28:19 Infdb2 kernel: [ip_rcv_finish+388/447] [ip_rcv_finish+0/447]
[nf_hook_slow+207/384] [ip_rcv_finish+0/447] [nf_hook_slow+262/384]
[netif_rx+161/272]
Oct 30 00:28:19 Infdb2 kernel: [<c02621e4>] [<c0262060>] [<c025af7f>]
[<c0262060>] [<c025afb6>] [<c02544c1>]
Oct 30 00:28:19 Infdb2 kernel: [ip_rcv+858/928] [ip_rcv_finish+0/447]
[net_rx_action+379/656] [tg3_interrupt+68/112] [do_softirq+123/224]
[do_IRQ+254/272]
Oct 30 00:28:19 Infdb2 kernel: [<c0261eea>] [<c0262060>] [<c02548eb>]
[<c021a114>] [<c011ebbb>] [<c010a97e>]
Oct 30 00:28:19 Infdb2 kernel: [call_do_IRQ+5/13] [__make_request+1470/1504]
[avl_insert+219/256] [generic_make_request+266/288] [_pagebuf_page_io+591/688]
[avl_lookup_next+69/160]
Oct 30 00:28:19 Infdb2 kernel: [<c010d248>] [<c020d74e>] [<c01debeb>]
[<c020d87a>] [<c01e029f>] [<c01dedb5>]
Oct 30 00:28:19 Infdb2 kernel: [_page_buf_page_apply+280/304]
[pagebuf_segment_apply+128/224] [pagebuf_iorequest+270/368]
[_page_buf_page_apply+0/304] [add_to_page_cache_unique+130/144]
[_pagebuf_lookup_pages+561/944]
Oct 30 00:28:19 Infdb2 kernel: [<c01e0418>] [<c01e08c0>] [<c01e053e>]
[<c01e0300>] [<c012dfc2>] [<c01df3e1>]
Oct 30 00:28:19 Infdb2 kernel: [_pagebuf_lookup_pages+720/944]
[pagebuf_iostart+134/160] [pagebuf_get+170/240] [xfs_trans_read_buf+465/800]
[xfs_btree_read_bufs+92/128] [xfs_alloc_lookup+228/832]
Oct 30 00:28:19 Infdb2 kernel: [<c01df480>] [<c01dfd46>] [<c01df7ba>]
[<c01d39b1>] [<c01a648c>] [<c018e1a4>]
Oct 30 00:28:19 Infdb2 kernel: [xfs_alloc_ag_vextent_near+93/2896]
[xfs_alloc_ag_vextent+54/240] [xfs_alloc_vextent+807/960]
[xfs_bmap_alloc+5764/6624] [xfs_bmapi+2038/4624] [xfs_dir2_grow_inode+209/960]
Oct 30 00:28:19 Infdb2 kernel: [<c018a9dd>] [<c018a736>] [<c018cbd7>]
[<c019a934>] [<c019e326>] [<c01ac501>]
Oct 30 00:28:19 Infdb2 kernel: [xfs_dir2_sf_to_block+174/1600]
[tg3_start_xmit_4gbug+380/992] [xfs_bmbt_get_state+37/48]
[xfs_bmap_do_search_extents+840/896] [xfs_bmap_search_extents+72/80]
[xfs_bmapi+843/4624]
Oct 30 00:28:19 Infdb2 kernel: [<c01ae14e>] [<c021a51c>] [<c01a4a35>]
[<c019c888>] [<c019c908>] [<c019de7b>]
Oct 30 00:28:19 Infdb2 kernel: [nf_hook_slow+262/384] [avl_lookup+88/112]
[avl_insert+219/256] [locate_hd_struct+39/112] [req_new_io+73/96]
[__make_request+1232/1504]
Oct 30 00:28:19 Infdb2 kernel: [<c025afb6>] [<c01ded58>] [<c01debeb>]
[<c020ce77>] [<c020cfd9>] [<c020d660>]
Oct 30 00:28:19 Infdb2 kernel: [avl_remove+201/224]
[generic_make_request+266/288] [avl_lookup_next+69/160]
[_pagebuf_find_lockable_buffer+495/560] [megaIssueCmd+271/656]
[mega_runpendq+35/64]
Oct 30 00:28:19 Infdb2 kernel: [<c01dea29>] [<c020d87a>] [<c01dedb5>]
[<c01e334f>] [<c023e60f>] [<c023d773>]
Oct 30 00:28:19 Infdb2 kernel: [_pagebuf_get_object+62/320]
[__find_lock_page+32/48] [_pagebuf_lookup_pages+720/944]
[kmem_zone_zalloc+61/208] [xfs_buf_item_init+58/160] [avl_delete+114/128]
Oct 30 00:28:19 Infdb2 kernel: [<c01def0e>] [<c012e4c0>] [<c01df480>]
[<c01ecc7d>] [<c01a6dea>] [<c01decf2>]
Oct 30 00:28:19 Infdb2 kernel: [_pagebuf_free_lockable_buffer+44/64]
[_pagebuf_free_object+234/272] [vn_revalidate+55/272] [xfs_trans_init+930/6640]
[xfs_iget_core+1579/1600] [kmem_cache_zalloc+104/304]
Oct 30 00:28:19 Infdb2 kernel: [<c01e30cc>] [<c01df18a>] [<c01eb7b7>]
[<c01d0802>] [<c01bee3b>] [<c01363d8>]
Oct 30 00:28:19 Infdb2 kernel: [kmem_zone_zalloc+61/208]
[xfs_inode_item_init+23/112] [xfs_trans_iget+215/288]
[xfs_dir2_sf_addname+198/304] [xfs_dir2_createname+205/304]
[xfs_create+1146/2704]
Oct 30 00:28:19 Infdb2 kernel: [<c01ecc7d>] [<c01c3ae7>] [<c01d4147>]
[<c01b4036>] [<c01abded>] [<c01d975a>]
Oct 30 00:28:19 Infdb2 kernel: [xfs_bmbt_get_state+37/48]
[linvfs_common_cr+377/688] [xfs_bmap_search_extents+72/80]
[xfs_acl_iaccess+45/144] [xfs_acl_iaccess+45/144] [xfs_acl_iaccess+45/144]
Oct 30 00:28:19 Infdb2 kernel: [<c01a4a35>] [<c01e6149>] [<c019c908>]
[<c018971d>] [<c018971d>] [<c018971d>]
Oct 30 00:28:19 Infdb2 kernel: [xfs_dir2_lookup+178/320]
[lru_cache_add+101/112] [filemap_nopage+214/560] [filemap_nopage+259/560]
[filemap_nopage+0/560] [do_no_page+172/928]
Oct 30 00:28:19 Infdb2 kernel: [<c01abf02>] [<c0137145>] [<c012f836>]
[<c012f863>] [<c012f760>] [<c012a74c>]
Oct 30 00:28:19 Infdb2 kernel: [linvfs_create+24/32] [vfs_create+284/384]
[lookup_hash+74/208] [open_namei+371/1728] [dentry_open+230/432] [dput+28/272]
Oct 30 00:28:19 Infdb2 kernel: [<c01e6298>] [<c014cf5c>] [<c014ccfa>]
[<c014d133>] [<c0140256>] [<c015568c>]
Oct 30 00:28:19 Infdb2 kernel: [filp_open+54/96] [sys_open+52/160]
[system_call+51/56]
Oct 30 00:28:19 Infdb2 kernel: [<c0140146>] [<c01404b4>] [<c0108d9b>]
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