Something is really wrong here. Although I see that e1000 is in call trace I doubt if it is driver only issue. Please tell me more about your system. Are you running customized kernel? Are you using any kind of virtual environment? Please send uname -a, lspci, dmeg output.
-Tushar >>-----Original Message----- >>From: [email protected] [mailto:[email protected]] >>Sent: Thursday, May 16, 2013 1:24 PM >>To: Dave, Tushar N >>Cc: [email protected] >>Subject: RE: [E1000-devel] IGB device support question >> >>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 >>> ------------------------------------------------------------------------------ AlienVault Unified Security Management (USM) platform delivers complete security visibility with the essential security capabilities. Easily and efficiently configure, manage, and operate all of your security controls from a single console and one unified framework. 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