Tushar,
Yes this is system specific. I get multiple types of panics. I've
attached the two most common, 90% of the time it's one of these two. All
I have to do to cause this to happen is "ifconfig eth0 down; ifconfig eth0
up". As soon as it execute the up command the kernel panics.
1st panic dump:
# ifconfig eth0 down
# ifconfig eth0 up
# ADDRCONF(NETDEV_UP): bond0: link is not ready
bonding: bond0 is being deleted...
e1000: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX
ADDRCONF(NETDEV_UP): eth0: link is not ready
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
ADDRCONF(NETDEV_UP): eth1: link is not ready
ADDRCONF(NETDEV_UP): eth2: link is not ready
eth0: no IPv6 routers present
usb0: no IPv6 routers present
e1000: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX
ADDRCONF(NETDEV_UP): eth0: link is not ready
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Unable to handle kernel paging request for data at address 0x801504b0
Faulting instruction address: 0xc0014038
Oops: Kernel access of bad area, sig: 11 [#1]
PREEMPT SEL35xx Platform
Modules linked in:
NIP: c0014038 LR: c020a5a8 CTR: 0000000a
REGS: ed395d40 TRAP: 0300 Not tainted (3.0.36-rt58)
MSR: 00009032 <EE,ME,IR,DR> CR: 24048082 XER: 20000000
DAR: 801504b0, DSISR: 20000000
TASK = eeab5240[6322] 'irq/20-eth0' THREAD: ed394000
GPR00: 00000000 ed395df0 eeab5240 eeb57e20 801504ac 00000052 eeb57e1c
0000000a
GPR08: eeab5240 eeb57e22 ee9bd160 eeb57e20 24042082 10087a48 ed395e78
ed06f414
GPR16: 00000000 00000000 00000001 ef04e000 ed752d00 ed06f000 00000023
00000052
GPR24: ed752cf0 ef081120 00000050 000000d0 f32249e0 ee6a97a0 ed06f3a0
ee9bd160
NIP [c0014038] memcpy+0x1c/0x9c
LR [c020a5a8] e1000_clean_rx_irq+0x27c/0x3ac
Call Trace:
[ed395df0] [c020a578] e1000_clean_rx_irq+0x24c/0x3ac (unreliable)
[ed395e60] [c020b240] e1000_clean+0x340/0x4ec
[ed395ec0] [c02866ec] net_rx_action+0xc4/0x208
[ed395ef0] [c00251c0] __do_softirq_common+0xb0/0x148
[ed395f30] [c0025884] local_bh_enable+0x88/0xe8
[ed395f50] [c005b4e0] irq_forced_thread_fn+0x5c/0x74
[ed395f70] [c005c34c] irq_thread+0xdc/0x1e0
[ed395fa0] [c003aa6c] kthread+0x78/0x7c
[ed395ff0] [c000d618] kernel_thread+0x4c/0x68
Instruction dump:
38c60001 4200fff0 4e800020 7c032040 418100a0 54a7e8ff 38c3fffc 3884fffc
41820028 70c00003 7ce903a6 40820054 <80e40004> 85040008 90e60004 95060008
2nd panic dump:
# ifconfig eth0 down
# ifconfig eth0 up
# mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:ffffffff pmd:2ea24000
addr:48410000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3df
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c30] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c70] [c0077b54] print_bad_pte+0x178/0x194
[ed755ca0] [c0077bc8] vm_normal_page+0x58/0x84
[ed755cb0] [c007a16c] unmap_vmas+0x1ac/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:801504b2 pmd:2ea24000
addr:48411000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3e0
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:002ea839 pmd:2ea24000
addr:48412000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3e1
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c30] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c70] [c0077b54] print_bad_pte+0x178/0x194
[ed755ca0] [c0077bc8] vm_normal_page+0x58/0x84
[ed755cb0] [c007a16c] unmap_vmas+0x1ac/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:002d5333 pmd:2ea24000
page:c0802aa0 count:-1 mapcount:-2 mapping: (null) index:0x0
page flags: 0x404(referenced|reserved)
addr:48413000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3e2
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a2d0] unmap_vmas+0x310/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:01000000 pmd:2ea24000
addr:48415000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3e4
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:07002600 pmd:2ea24000
addr:48416000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3e5
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:2d970000 pmd:2ea24000
addr:48417000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3e6
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:c4fa9351 pmd:2ea24000
addr:48418000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3e7
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c30] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c70] [c0077b54] print_bad_pte+0x178/0x194
[ed755ca0] [c0077bc8] vm_normal_page+0x58/0x84
[ed755cb0] [c007a16c] unmap_vmas+0x1ac/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:95300b00 pmd:2ea24000
addr:48419000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3e8
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:00002d72 pmd:2ea24000
addr:4841c000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3eb
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:974e0000 pmd:2ea24000
addr:4841d000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:3ec
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:0000ffff pmd:2ea24000
addr:48608000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:5d7
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c30] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c70] [c0077b54] print_bad_pte+0x178/0x194
[ed755ca0] [c0077bc8] vm_normal_page+0x58/0x84
[ed755cb0] [c007a16c] unmap_vmas+0x1ac/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:ffffffff pmd:2ea24000
addr:48609000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:5d8
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c30] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c70] [c0077b54] print_bad_pte+0x178/0x194
[ed755ca0] [c0077bc8] vm_normal_page+0x58/0x84
[ed755cb0] [c007a16c] unmap_vmas+0x1ac/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:0030a700 pmd:2ea24000
addr:4860a000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:5d9
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:43b20800 pmd:2ea24000
addr:4860b000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:5da
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
BUG: Bad page map in process postgres pte:45000042 pmd:2ea24000
addr:4860c000 vm_flags:080000fb anon_vma: (null) mapping:edb4f984
index:5db
vma->vm_ops->fault: shm_fault+0x0/0x34
vma->vm_file->f_op->mmap: shm_mmap+0x0/0x7c
Call Trace:
[ed755c40] [c0007ca0] show_stack+0x58/0x154 (unreliable)
[ed755c80] [c0077b54] print_bad_pte+0x178/0x194
[ed755cb0] [c007a348] unmap_vmas+0x388/0x490
[ed755d20] [c007c690] exit_mmap+0x98/0x148
[ed755d80] [c001d490] mmput+0x3c/0xf8
[ed755da0] [c0021a38] exit_mm+0x128/0x13c
[ed755dd0] [c0023224] do_exit+0x19c/0x5d8
[ed755e10] [c00236e0] do_group_exit+0x80/0xac
[ed755e30] [c002fbb0] get_signal_to_deliver+0x354/0x378
[ed755e80] [c0008f5c] do_signal+0x4c/0x278
[ed755f40] [c000f154] do_user_signal+0x74/0xc4
--- Exception: 400 at 0xfa1c920
LR = 0xfa1e8e4
------------[ cut here ]------------
kernel BUG at mm/filemap.c:138!
Oops: Exception in kernel mode, sig: 5 [#1]
PREEMPT SEL35xx Platform
Modules linked in:
NIP: c0062c9c LR: c0062bf4 CTR: 00000000
REGS: edb2bb50 TRAP: 0700 Tainted: G B (3.0.36-rt58)
MSR: 00029032 <EE,ME,CE,IR,DR> CR: 20004424 XER: 20000000
TASK = ed1a7240[457] 'postgres' THREAD: edb2a000
GPR00: 00000001 edb2bc00 ed1a7240 c0d93260 c018e704 00000000 003d7000
00000000
GPR08: 00000017 00000978 00000978 c0572090 000003d7 10420ec0 103c1288
103c1724
GPR16: 103c2430 103c2450 edb4f8b4 103c2400 10419034 103c2468 ffffffff
00000000
GPR24: edb2bc58 edb4f984 00000000 00000000 000003d7 c0d93260 00000000
edb4f984
NIP [c0062c9c] __delete_from_page_cache+0xdc/0x1a4
LR [c0062bf4] __delete_from_page_cache+0x34/0x1a4
Call Trace:
[edb2bc00] [c0062bf4] __delete_from_page_cache+0x34/0x1a4 (unreliable)
[edb2bc20] [c0062da8] delete_from_page_cache+0x44/0x7c
[edb2bc40] [c006c690] truncate_inode_page+0xbc/0xd4
[edb2bc50] [c006c780] truncate_inode_pages_range+0xd8/0x2fc
[edb2bcc0] [c0071dcc] shmem_truncate_range+0x44/0x6cc
[edb2bd60] [c0072868] shmem_evict_inode+0xdc/0x174
[edb2bd80] [c00a315c] evict+0x9c/0x160
[edb2bda0] [c009ed54] d_kill+0xfc/0x124
[edb2bdc0] [c009ef18] dput+0x19c/0x1bc
[edb2bde0] [c008d3bc] fput+0x1f4/0x210
[edb2be00] [c016da6c] shm_destroy+0x58/0x7c
[edb2be20] [c016ebec] sys_shmctl+0x718/0x824
[edb2bf10] [c016f07c] sys_ipc+0x218/0x254
[edb2bf40] [c000e934] ret_from_syscall+0x0/0x38
--- Exception: c01 at 0xfa82720
LR = 0x101c6868
Instruction dump:
7d400028 314affff 7d40012d 40a2fff4 380b0034 7d200028 3129ffff 7d20012d
40a2fff4 801d0008 7c0000f8 54000ffe <0f000000> 801d0000 700a0010 418200a8
This seems to be identical to a problem discussed in this thread from 2007
http://marc.info/?l=e1000-devel&m=118310336228016 but there was no
solution offered.
Any insight you can offer would be greatly appreciated because we're
stumped.
Thanks.
Bruce
"Dave, Tushar N" <[email protected]> wrote on 05/15/2013 06:15:30
PM:
> From: "Dave, Tushar N" <[email protected]>
> To: "[email protected]" <[email protected]>, "e1000-
> [email protected]" <[email protected]>
> Date: 05/15/2013 06:16 PM
> Subject: RE: [E1000-devel] IGB device support question
>
> >-----Original Message-----
> >From: [email protected] [mailto:[email protected]]
> >Sent: Wednesday, May 15, 2013 3:30 PM
> >To: [email protected]
> >Subject: [E1000-devel] IGB device support question
> >
> >Hi,
> >
> >I'm currently running the 3.0.36 kernel on custom HW using an MPC8347
PPC
> >SOC with an Intel RC82540EP gigabit ethernet controller that we're
talking
> >to with the e1000 driver. We're seeing a lot of problems with memory
(bad
> >page table entries, out-of-memory panics, etc.) when we take the
interface
> >down and back up with ifconfig.
> >
> >I'm suspicious that our problem is due to using an old driver that has
> >memory issues. We're not in a position to move forward on kernel
versions
> >right now, so I have a couple of questions I hope you can answer.
> >
> >1) Does the IGB driver support the RC82540EP? I'm not finding any
obvious
> >references to the part in .../drivers/net/ethernet/intel/igb in the 3.9
> >tree.
> No 82540 is supported by e1000 driver.
> >2) If it does, how bad would it be to try and backport to the 3.0.36
> >kernel?
> There isn't much development into e1000 driver (only few bug fixes)
> between 3.0.36 and current stable kernel release. So I am not sure
> if backporting is going to solve the issues. 82540 is old part and
> in recent years I haven't seen anything like you describing i.e. bad
> page table entries, out-of-memory panics, etc.
> Please send the panic message and I will look into it. I am guessing
> this is system/board specific, right? Or you have similar issues on
> more than one type of system(s)?
>
> -Tushar
>
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