https://bugzilla.novell.com/show_bug.cgi?id=666598 https://bugzilla.novell.com/show_bug.cgi?id=666598#c0 Summary: rmmod loop leads to kernel oops Classification: openSUSE Product: openSUSE 11.4 Version: Milestone 5 of 6 Platform: i586 OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: puzel@novell.com QAContact: qa@suse.de Found By: Development Blocker: --- 11.4, Milestone 5 of 6 in VirtualBox: "rmmod loop" -> kernel oopses: ===================== BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<c05fa356>] _raw_spin_lock_irq+0x6/0x20 *pde = 00000000 Oops: 0000 [#1] SMP last sysfs file: /sys/module/loop/refcnt Modules linked in: minix loop(-) ip6t_LOG xt_tcpudp xt_pkttype ipt_LOG xt_limit vboxsf edd af_packet ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT iptable_raw iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables dm_mod ppdev sr_mod sg joydev cdrom i2c_piix4 parport_pc i2c_core vboxguest pcspkr pcnet32 parport button ac ext4 jbd2 crc16 usbhid hid ohci_hcd ehci_hcd rtc_cmos rtc_core rtc_lib usbcore fan processor thermal thermal_sys hwmon ata_generic ata_piix ahci libahci libata Pid: 3914, comm: modprobe Not tainted 2.6.37-18-default #1 /VirtualBox EIP: 0060:[<c05fa356>] EFLAGS: 00010092 CPU: 0 EIP is at _raw_spin_lock_irq+0x6/0x20 EAX: 00000000 EBX: dd36e454 ECX: 00000013 EDX: 00000100 ESI: dea7cc00 EDI: dd36e454 EBP: dd36df30 ESP: dd36def4 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process modprobe (pid: 3914, ti=dd36c000 task=dd368470 task.ti=dd36c000) Stack: c03e88d0 dd36e454 c08e7740 dea7f740 dd36df30 c03dd935 dd36e660 c03f1639 00000286 c025134b 00000286 dd36e610 dd36e67c c03f1740 dd30b600 dd36c000 c03f2c3a 00100000 df880000 e0b046c2 e0b053c0 00000080 fffffff0 c027987e Call Trace: [<c03e88d0>] blk_throtl_exit+0x20/0x80 [<c03dd935>] blk_release_queue+0x15/0x60 [<c03f1639>] kobject_cleanup+0x59/0x160 [<c03f2c3a>] kref_put+0x2a/0x60 [<e0b046c2>] loop_exit+0x4c/0xb7 [loop] [<c027987e>] sys_delete_module+0x12e/0x200 [<c05fa815>] syscall_call+0x7/0xb [<ffffe422>] 0xffffe422 Code: 27 00 00 00 00 9c 59 e9 a1 2f 5d 21 00 3e 66 0f c1 10 38 f2 74 06 f3 90 8a 10 eb f6 89 c8 c3 8d b6 00 00 00 00 e9 4b 59 5d 21 00 <3e> 66 0f c1 10 38 f2 74 06 f3 90 8a 10 eb f6 c3 8d 76 00 8d bc EIP: [<c05fa356>] _raw_spin_lock_irq+0x6/0x20 SS:ESP 0068:dd36def4 CR2: 0000000000000000 ---[ end trace f44ea50a1285dd76 ]--- ===================== uname -r: 2.6.37-18-default arch: i686 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.