Hello List, Running 2.4.21-pre3-ac1 SMP with new quotas (usr and grp), this oops showed up while copying a large amount (about 50gigs, only 1.6 made it before the oops). I'm trying to reproduce as we speak. Unable to handle kernel NULL pointer dereference at virtual address 00000004 c0130956 *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0010:[<c0130956>] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010246 eax: 00000000 ebx: c18054f0 ecx: e8762000 edx: e876205c esi: 00000000 edi: 00000000 ebp: 00000000 esp: e8763bdc ds: 0018 es: 0018 ss: 0018 Process kjournald (pid: 10086, stackpage=e8763000) Stack: 00000001 00000001 00000046 c01e907c 00000000 f7a970b8 f7bfa018 c2842cc4 eac6f000 c1000020 eac6f000 c012db6a c281deec 00000000 cccccccd c2848c00 c012ef19 c2842cc4 eac6f000 00000019 c2842ccc c2842cd4 c02b5224 e8762000 Call Trace: [<c01e907c>] [<c012db6a>] [<c012ef19>] [<c01300a9>] [<c013015c>] [<c0130c52>] [<c0130f0b>] [<c0136610>] [<c013676c>] [<c01be751>] [<c0222e23>] [<c011bb0b>] [<c011b9b1>] [<c011b73b>] [<c0108b6d>] [<c01bed9a>] [<c013a636>] [<c01bedfd>] [<c01bef97>] [<c016e4fd>] [<c016d65b>] [<c02227c9>] [<c021eb2f>] [<c01c5cd7>] [<c0170236>] [<c01700e0>] [<c0105676>] [<c0170100>] Code: 89 58 04 89 03 89 53 04 89 59 5c 89 7b 0c ff 41 68 83 c4 1c >>EIP; c0130956 <__free_pages_ok+286/2a0> <===== Trace; c01e907c <aac_io_done+1c/30> Trace; c012db6a <kmem_slab_destroy+aa/d0> Trace; c012ef19 <kmem_cache_reap+2b9/330> Trace; c01300a9 <shrink_caches+19/90> Trace; c013015c <try_to_free_pages_zone+3c/60> Trace; c0130c52 <balance_classzone+62/200> Trace; c0130f0b <__alloc_pages+11b/170> Trace; c0136610 <alloc_bounce_page+10/a0> Trace; c013676c <create_bounce+2c/148> Trace; c01be751 <__make_request+a1/5e0> Trace; c0222e23 <net_rx_action+b3/170> Trace; c011bb0b <bh_action+4b/80> Trace; c011b9b1 <tasklet_hi_action+61/a0> Trace; c011b73b <do_softirq+6b/d0> Trace; c0108b6d <do_IRQ+dd/f0> Trace; c01bed9a <generic_make_request+10a/120> Trace; c013a636 <__refile_buffer+56/60> Trace; c01bedfd <submit_bh+4d/70> Trace; c01bef97 <ll_rw_block+177/1c0> Trace; c016e4fd <journal_brelse_array+1d/30> Trace; c016d65b <journal_commit_transaction+3ab/10f2> Trace; c02227c9 <netif_rx+a9/1d0> Trace; c021eb2f <alloc_skb+ef/1c0> Trace; c01c5cd7 <receive_packet+2c7/3e0> Trace; c0170236 <kjournald+136/200> Trace; c01700e0 <commit_timeout+0/10> Trace; c0105676 <kernel_thread+26/30> Trace; c0170100 <kjournald+0/200> Code; c0130956 <__free_pages_ok+286/2a0> 00000000 <_EIP>: Code; c0130956 <__free_pages_ok+286/2a0> <===== 0: 89 58 04 mov %ebx,0x4(%eax) <===== Code; c0130959 <__free_pages_ok+289/2a0> 3: 89 03 mov %eax,(%ebx) Code; c013095b <__free_pages_ok+28b/2a0> 5: 89 53 04 mov %edx,0x4(%ebx) Code; c013095e <__free_pages_ok+28e/2a0> 8: 89 59 5c mov %ebx,0x5c(%ecx) Code; c0130961 <__free_pages_ok+291/2a0> b: 89 7b 0c mov %edi,0xc(%ebx) Code; c0130964 <__free_pages_ok+294/2a0> e: ff 41 68 incl 0x68(%ecx) Code; c0130967 <__free_pages_ok+297/2a0> 11: 83 c4 1c add $0x1c,%esp Any pointers would be appriciated. TIA, Dale __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com _______________________________________________ Ext3-users@redhat.com https://listman.redhat.com/mailman/listinfo/ext3-users