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Bug#444981: linux-image-2.6.18-4-686: Oops in free_uid()



Package: linux-image-2.6.18-5-686-bigmem
Version: 2.6.18.dfsg.1-17

Around every two mounths we get the following kernel Oops:

Dec 20 18:54:13 server kernel: BUG: unable to handle kernel paging request at virtual address 00100104
Dec 20 18:54:13 server kernel:  printing eip:
Dec 20 18:54:13 server kernel: c01260b6
Dec 20 18:54:13 server kernel: *pde = 11b71001
Dec 20 18:54:13 server kernel: *pte = 00000000
Dec 20 18:54:13 server kernel: Oops: 0002 [#1]
Dec 20 18:54:13 server kernel: SMP 
Dec 20 18:54:13 server kernel: Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables nfs nfsd exportfs lockd nfs_acl sunrpc ipv6 xfs dm_snapshot dm_mirror dm_mod ipmi_devintf ipmi_si ipmi_msghandler ide_generic ide_disk floppy psmouse shpchp i2c_i801 rtc pcspkr tsdev parport_pc parport serio_raw evdev pci_hotplug i2c_core sg ext3 jbd mbcache ide_cd cdrom sd_mod usb_storage usbhid piix arcmsr ehci_hcd generic scsi_mod uhci_hcd ide_core usbcore e1000 thermal processor fan bonding
Dec 20 18:54:13 server kernel: CPU:    3
Dec 20 18:54:13 server kernel: EIP:    0060:[<c01260b6>]    Not tainted VLI
Dec 20 18:54:13 server kernel: EFLAGS: 00010002   (2.6.18-5-686-bigmem #1) 
Dec 20 18:54:13 server kernel: EIP is at free_uid+0x22/0x64
Dec 20 18:54:13 server kernel: eax: 00200200   ebx: df8ef200   ecx: df8ef228   edx: 00100100
Dec 20 18:54:13 server kernel: esi: 00000086   edi: ee057f34   ebp: c3b63628   esp: ee057e84
Dec 20 18:54:13 server kernel: ds: 007b   es: 007b   ss: 0068
Dec 20 18:54:13 server kernel: Process smbd (pid: 834, ti=ee056000 task=ed1d9aa0 task.ti=ee056000)
Dec 20 18:54:13 server kernel: Stack: c3b63628 c3b63654 c0126539 dfe30818 c012691b 0000000a 0000000a 00000009 
Dec 20 18:54:13 server kernel:        00000000 00000000 ee057f14 ed1d9aa0 ed1d9f04 c0127b4d 00000000 00000021 
Dec 20 18:54:13 server kernel:        b7dc4ff4 ee057fbc c0127ec7 ee057fbc ee057f94 ee057f14 ed1d9f04 00000003 
Dec 20 18:54:13 server kernel: Call Trace:
Dec 20 18:54:13 server kernel:  [<c0126539>] __sigqueue_free+0x1e/0x2d
Dec 20 18:54:13 server kernel:  [<c012691b>] __dequeue_signal+0x108/0x15c
Dec 20 18:54:13 server kernel:  [<c0127b4d>] dequeue_signal+0x2d/0x9c
Dec 20 18:54:13 server kernel:  [<c0127ec7>] get_signal_to_deliver+0xe3/0x3bc
Dec 20 18:54:13 server kernel:  [<c01023a2>] do_notify_resume+0x71/0x5d7
Dec 20 18:54:13 server kernel:  [<c01166f5>] __wake_up_common+0x2f/0x53
Dec 20 18:54:13 server kernel:  [<c027f34a>] schedule+0x84e/0x8fe
Dec 20 18:54:13 server kernel:  [<c012aafb>] sys_setresuid+0x1ae/0x1c0
Dec 20 18:54:13 server kernel:  [<c0102d06>] work_notifysig+0x13/0x19
Dec 20 18:54:13 server kernel: Code: 30 c0 56 9d 5b 31 c0 5e c3 56 85 c0 53 89 c3 74 59 9c 5e fa ba d4 be 2c c0 e8 c7 0b 09 00 85 c0 74 46 8d 4b 28 8b 53 28 8b 41 04 <89> 42 04 89 10 89 f2 b8 d4 be 2c c0 c7 41 04 00 02 20 00 c7 43 
Dec 20 18:54:13 server kernel: EIP: [<c01260b6>] free_uid+0x22/0x64 SS:ESP 0068:ee057e84


Feb 14 20:37:37 server kernel: BUG: unable to handle kernel paging request at virtual address 00100104
Feb 14 20:37:37 server kernel:  printing eip:
Feb 14 20:37:37 server kernel: c01260b6
Feb 14 20:37:37 server kernel: *pde = 102f1001
Feb 14 20:37:37 server kernel: *pte = 00000000
Feb 14 20:37:37 server kernel: Oops: 0002 [#1]
Feb 14 20:37:37 server kernel: SMP
Feb 14 20:37:37 server kernel: Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables nfs nfsd exportfs lockd nfs_acl sunrpc ipv6 xfs dm_snapshot dm_mirror dm_mod ipmi_devintf ipmi_si ipmi_msghandler ide_generic ide_disk floppy parport_pc i2c_i801 psmouse i2c_core shpchp pcspkr rtc parport serio_raw pci_hotplug evdev tsdev sg ext3 jbd mbcache ide_cd cdrom sd_mod piix usbhid usb_storage ehci_hcd generic arcmsr scsi_mod uhci_hcd ide_core e1000 usbcore thermal processor fan bonding
Feb 14 20:37:37 server kernel: CPU:    3
Feb 14 20:37:37 server kernel: EIP:    0060:[<c01260b6>]    Not tainted VLI
Feb 14 20:37:37 server kernel: EFLAGS: 00010002   (2.6.18-5-686-bigmem #1)
Feb 14 20:37:37 server kernel: EIP is at free_uid+0x22/0x64
Feb 14 20:37:37 server kernel: eax: 00200200   ebx: d9fa7d80   ecx: d9fa7da8   edx: 00100100
Feb 14 20:37:37 server kernel: esi: 00000082   edi: c9fcdf34   ebp: f45ca598   esp: c9fcde84
Feb 14 20:37:37 server kernel: ds: 007b   es: 007b   ss: 0068
Feb 14 20:37:37 server kernel: Process smbd (pid: 11346, ti=c9fcc000 task=cba23000 task.ti=c9fcc000)
Feb 14 20:37:37 server kernel: Stack: f45ca598 f45ca5c4 c0126539 e1c230d8 c012691b 0000000a 0000000a 00000009
Feb 14 20:37:37 server kernel:        00000000 00000000 c9fcdf14 cba23000 cba23464 c0127b4d 00000000 00000021
Feb 14 20:37:37 server kernel:        b7dd5ff4 c9fcdfbc c0127ec7 c9fcdfbc c9fcdf94 c9fcdf14 cba23464 00000003
Feb 14 20:37:37 server kernel: Call Trace:
Feb 14 20:37:37 server kernel:  [<c0126539>] __sigqueue_free+0x1e/0x2d
Feb 14 20:37:37 server kernel:  [<c012691b>] __dequeue_signal+0x108/0x15c
Feb 14 20:37:37 server kernel:  [<c0127b4d>] dequeue_signal+0x2d/0x9c
Feb 14 20:37:37 server kernel:  [<c0127ec7>] get_signal_to_deliver+0xe3/0x3bc
Feb 14 20:37:37 server kernel:  [<c01023a2>] do_notify_resume+0x71/0x5d7
Feb 14 20:37:37 server kernel:  [<c01166f5>] __wake_up_common+0x2f/0x53
Feb 14 20:37:37 server kernel:  [<c027f34a>] schedule+0x84e/0x8fe
Feb 14 20:37:37 server kernel:  [<c012aafb>] sys_setresuid+0x1ae/0x1c0
Feb 14 20:37:37 server kernel:  [<c0102d06>] work_notifysig+0x13/0x19
Feb 14 20:37:37 server kernel: Code: 30 c0 56 9d 5b 31 c0 5e c3 56 85 c0 53 89 c3 74 59 9c 5e fa ba d4 be 2c c0 e8 c7 0b 09 00 85 c0 74 46 8d 4b 28 8b 53 28 8b 41 04 <89> 42 04 89 10 89 f2 b8 d4 be 2c c0 c7 41 04 00 02 20 00 c7 43
Feb 14 20:37:37 server kernel: EIP: [<c01260b6>] free_uid+0x22/0x64 SS:ESP 0068:c9fcde84

The problem also exists with

Package: linux-image-2.6.18-4-686-bigmem
Version: 2.6.18.dfsg.1-12etch2

After kernel Oops today, we are upgraded the kernel and started the
server with the current Debian etch kernel (Package:
linux-image-2.6.18-6-686-bigmem, Version: 2.6.18.dfsg.1-18etch1).




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