On Monday, 20. August 2007, Alexey Dobriyan wrote:
Thanks for the patch. Unfortunately it didn't cure the problem.
After some searching I found one of those rare serial port brackets
in the attic, so I am now able to get a dump from the serial console.
Here's the output with the patch applied:
------------[ cut here ]------------
kernel BUG at arch/i386/mm/highmem.c:38!
invalid opcode: 0000 [#1]
Modules linked in: ipt_CRASH(U) deflate zlib_deflate twofish twofish_common
serpent blowfish des cbc ecb blkcipher aes xcbc sha256 crypto_null xfrm_user
xfrm4_tunnel tunnel4 ipcomp esp4 ah4 af_key dummy tg3 e1000 iptable_mangle
ipt_iprange xt_CONNMARK ipt_REDIRECT ipt_MASQUERADE iptable_nat xt_conntrack
xt_connmark ipt_LOG xt_limit xt_TCPMSS ipt_REJECT ipt_recent
nf_conntrack_ipv4 xt_state ipt_ACCOUNT xt_tcpudp xt_condition xt_policy
xt_multiport iptable_filter ip_tables x_tables nf_nat_tftp nf_nat_sip
nf_nat_irc nf_nat_pptp nf_nat_proto_gre nf_nat_ftp nf_nat nf_conntrack_tftp
nf_conntrack_socks nf_conntrack_sip nf_conntrack_irc nf_conntrack_pptp
nf_conntrack_proto_gre nf_conntrack_ftp nf_conntrack nfnetlink ext3 jbd
mbcache reiserfs sr_mod cdrom sg ata_piix libata generic
CPU: 0
EIP: 0060:[<c0114425>] Not tainted VLI
EFLAGS: 00010286 (2.6.21-1.i2n #4)
EIP is at kmap_atomic+0x24/0x88
eax: 0000000c ebx: c0002ee4 ecx: c16fa5e0 edx: 00000003
esi: 00000003 edi: 00000001 ebp: c16fa5e0 esp: f7723a98
ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
Process pop3.monitor (pid: 3015, ti=f7722000 task=dfdc3530 task.ti=f7722000)
Stack: c16fa5e0 00000000 c013c01b 00000001 00000044 00000044 00000001 00000000
00028220 c036dea4 c036dc04 00000000 00000001 f7723b78 00000001 00000286
00008220 00008220 c036dea0 dfdc3530 c013c0fa 00000044 00000002 f79da4b4
Call Trace:
[<c013c01b>] get_page_from_freelist+0x1e6/0x273
[<c013c0fa>] __alloc_pages+0x52/0x286
[<f8890194>] nf_conntrack_tcp_update+0x1068/0x10e8 [nf_conntrack]
[<c013c394>] get_zeroed_page+0x2c/0x3a
[<f89f8000>] ipt_crash_target+0x0/0x48 [ipt_CRASH]
[<f89f8012>] ipt_crash_target+0x12/0x48 [ipt_CRASH]
[<f893b360>] ipt_do_table+0x27b/0x2d3 [ip_tables]
[<c029085c>] nf_iterate+0x38/0x6a
[<c0290986>] nf_hook_slow+0x4d/0xb5
[<c0295336>] ip_local_deliver_finish+0x0/0x166
[<c0295983>] ip_local_deliver+0x6f/0x1e0
[<c0295336>] ip_local_deliver_finish+0x0/0x166
[<c02958e7>] ip_rcv+0x3ad/0x3da
[<c0295140>] ip_rcv_finish+0x0/0x1f6
[<c027f42c>] netif_receive_skb+0x217/0x260
[<c027ba46>] __alloc_skb+0x49/0xf7
[<f89b4f8c>] e1000_read_pci_cfg+0x5eb/0x1903 [e1000]
[<f89b4c42>] e1000_read_pci_cfg+0x2a1/0x1903 [e1000]
[<f89b3f8f>] e1000_reinit_locked+0x1aba/0x24cc [e1000]
[<c013c0fa>] __alloc_pages+0x52/0x286
[<f89f8000>] ipt_crash_target+0x0/0x48 [ipt_CRASH]
[<c0280a80>] net_rx_action+0x52/0x10e
[<c011ae94>] __do_softirq+0x35/0x75
[<c011aef6>] do_softirq+0x22/0x26
[<c01061ef>] do_IRQ+0x5c/0x71
[<c010460f>] common_interrupt+0x23/0x28
[<c01a31be>] __copy_to_user_ll+0xcb/0xd6
[<c01384f4>] file_read_actor+0x6b/0xca
[<c0138c48>] do_generic_mapping_read+0x172/0x40a
[<c013a90a>] generic_file_aio_read+0x150/0x182
[<c0138489>] file_read_actor+0x0/0xca
[<c0157b18>] do_path_lookup+0x14a/0x19a
[<c015156b>] get_empty_filp+0x4f/0xcc
[<c0150613>] do_sync_read+0xc7/0x10a
[<c0125574>] autoremove_wake_function+0x0/0x35
[<c0107979>] sys_mmap2+0x6f/0xb7
[<c015054c>] do_sync_read+0x0/0x10a
[<c0150d76>] vfs_read+0x88/0x10a
[<c0151098>] sys_read+0x41/0x67
[<c0103c66>] syscall_call+0x7/0xb
=======================
Code: c8 e9 f9 c4 02 00 c3 56 89 c1 53 89 d6 89 e0 25 00 e0 ff ff ff 40 14 8b
1d b4 f7 3e c0 8d 04 95 00 00 00 00 29 c3 83 3b 00 74 04 <0f> 0b eb fe 8b 01
c1 e8 1e 69 c0 44 01 00 00 05 c0 da 36 c0 8b
EIP: [<c0114425>] kmap_atomic+0x24/0x88 SS:ESP 0068:f7723a98
Kernel panic - not syncing: Fatal exception in interrupt
------------------------------------
I've replaced the Intel e1000 card with a bulk Realtek 8139 card just to make
sure it's not related to the e1000 driver. Here's the backtrace:
------------[ cut here ]------------
kernel BUG at arch/i386/mm/highmem.c:38!
invalid opcode: 0000 [#1]
Modules linked in: ipt_CRASH(U) iptable_filter ip_tables x_tables 8139too mii
deflate zlib_deflate twofish twofish_common serpent blowfish des cbc ecb blkc
CPU: 0
EIP: 0060:[<c0114425>] Not tainted VLI
EFLAGS: 00010286 (2.6.21-1.i2n #4)
EIP is at kmap_atomic+0x24/0x88
eax: 0000000c ebx: c0002ee4 ecx: c167b2c0 edx: 00000003
esi: 00000003 edi: 00000001 ebp: c167b2c0 esp: f7a73c74
ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
Process imap.monitor (pid: 3181, ti=f7a72000 task=dfc8ea30 task.ti=f7a72000)
Stack: c167b2c0 00000000 c013c01b 00000001 00000044 00000002 00000001 00000000
00028220 c036dea4 c036dc04 00000000 00000001 00000000 00000001 dfdfde40
00008220 00008220 c036dea0 dfc8ea30 c013c0fa 00000044 c013c0fa 00000044
Call Trace:
[<c013c01b>] get_page_from_freelist+0x1e6/0x273
[<c013c0fa>] __alloc_pages+0x52/0x286
[<c013c0fa>] __alloc_pages+0x52/0x286
[<c013a66b>] filemap_nopage+0x156/0x2a5
[<c013c394>] get_zeroed_page+0x2c/0x3a
[<f8933000>] ipt_crash_target+0x0/0x48 [ipt_CRASH]
[<f8933012>] ipt_crash_target+0x12/0x48 [ipt_CRASH]
[<f893b360>] ipt_do_table+0x27b/0x2d3 [ip_tables]
[<c029085c>] nf_iterate+0x38/0x6a
[<c0290986>] nf_hook_slow+0x4d/0xb5
[<c0295336>] ip_local_deliver_finish+0x0/0x166
[<c0295983>] ip_local_deliver+0x6f/0x1e0
[<c0295336>] ip_local_deliver_finish+0x0/0x166
[<c02958e7>] ip_rcv+0x3ad/0x3da
[<c027f42c>] netif_receive_skb+0x217/0x260
[<c027ba46>] __alloc_skb+0x49/0xf7
[<f8a4540c>] init_module+0xc140c/0xc22b0 [8139too]
[<c0280a80>] net_rx_action+0x52/0x10e
[<c011ae94>] __do_softirq+0x35/0x75
[<c011aef6>] do_softirq+0x22/0x26
[<c01061ef>] do_IRQ+0x5c/0x71
[<c010460f>] common_interrupt+0x23/0x28
[<c0142282>] __handle_mm_fault+0x1aa/0x7a6
[<c0113922>] do_page_fault+0x20d/0x4d3
[<c0113715>] do_page_fault+0x0/0x4d3
[<c02ca89c>] error_code+0x74/0x7c
=======================
Code: c8 e9 f9 c4 02 00 c3 56 89 c1 53 89 d6 89 e0 25 00 e0 ff ff ff 40 14 8b
1d b4 f7 3e c0 8d 04 95 00 00 00 00 29 c3 83 3b 00 74 04 <0f> 0b eb fe 8b 01
EIP: [<c0114425>] kmap_atomic+0x24/0x88 SS:ESP 0068:f7a73c74
Kernel panic - not syncing: Fatal exception in interrupt
------------------------------------
I can't trigger the bug by force if I boot the system with mem=512m.
Anything I could try?
Thomas
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