https://bugzilla.kernel.org/show_bug.cgi?id=83391 Bug ID: 83391 Summary: Oops on sd_mod Product: SCSI Drivers Version: 2.5 Kernel Version: 2.6.32 Hardware: i386 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Other Assignee: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx Reporter: tomsunchen@xxxxxxxxx Regression: No Now i met the oops of sd_mod more times, but i don't know the condition that the oops occured, the info as below. BUG: unable to handle kernel paging request at ffff88001488c004 IP: [<ffffffffa019d01c>] sd_revalidate_disk+0x107c/0x1900 [sd_mod] PGD 1a05067 PUD 1a09067 PMD 176067 PTE 0 Oops: 0000 [#1] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host0/scsi_host/host0/scan Pid: 31, comm: ata_aux Tainted: G C ---------------- 2.6.32-220.el6.x86_64 #1 LENOVO QiTianM8250/LENOVO RIP: e030:[<ffffffffa019d01c>] [<ffffffffa019d01c>] sd_revalidate_disk+0x107c/0x1900 [sd_mod] RSP: e02b:ffff88003eacbc60 EFLAGS: 00010246 RAX: ffff880039948000 RBX: ffff880039971000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88003819b420 RBP: ffff88003eacbd40 R08: 0000000000000018 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000000 R12: ffff88001488bfe0 R13: 0000000000000200 R14: ffff88003fc00040 R15: 0000000000000200 FS: 00007f92c694c700(0000) GS:ffff880004ff7000(0000) knlGS:0000000000000000 CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffff88001488c004 CR3: 00000000379b9000 CR4: 0000000000002660 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process ata_aux (pid: 31, threadinfo ffff88003eaca000, task ffff88003eac6b00) Stack: ffff880000007530 ffffffff00000005 0000000000000000 ffffffff8139c890 <0> ffff88003eac71a0 0000000000000000 ffff88003eacbcf2 0000000000000000 <0> ffff88003a21aa00 000000002542eab0 ffff880039957800 ffff880039948000 Call Trace: [<ffffffff8139c890>] ? ata_scsi_dev_rescan+0x0/0x110 [<ffffffff8126ffda>] ? kobject_get+0x1a/0x30 [<ffffffff81260000>] ? blkiocg_file_read_map+0xe0/0x100 [<ffffffff811b1428>] revalidate_disk+0x38/0x90 [<ffffffffa01994b7>] sd_rescan+0x27/0x40 [sd_mod] [<ffffffff8138b07d>] scsi_rescan_device+0x8d/0xe0 [<ffffffff813697c9>] ? get_device+0x19/0x20 [<ffffffff8139c94a>] ata_scsi_dev_rescan+0xba/0x110 [<ffffffff8139c890>] ? ata_scsi_dev_rescan+0x0/0x110 [<ffffffff8108c630>] worker_thread+0x170/0x2a0 [<ffffffff81091fc0>] ? autoremove_wake_function+0x0/0x40 [<ffffffff814daf2c>] ? _spin_unlock_irqrestore+0x1c/0x20 [<ffffffff8108c4c0>] ? worker_thread+0x0/0x2a0 [<ffffffff81091c56>] kthread+0x96/0xa0 [<ffffffff8100d14a>] child_rip+0xa/0x20 [<ffffffff8100c314>] ? int_ret_from_sys_call+0x7/0x1b [<ffffffff8100ca9d>] ? retint_restore_args+0x5/0x6 [<ffffffff8100d140>] ? child_rip+0x0/0x20 crash> l* sd_revalidate_disk+0x107c 0xffffffffa019d01c is in sd_revalidate_disk (/usr/src/debug/kernel-2.6.32/linux-2.6.32/arch/x86/include/asm/swab.h:53). 48 : "=r" (v.s.a), "=r" (v.s.b) 49 : "0" (v.s.a), "1" (v.s.b)); 50 # endif 51 return v.u; 52 #else /* __i386__ */ 53 asm("bswapq %0" 54 : "=r" (val) 55 : "0" (val)); 56 return val; 57 #endif Would you give me suggestions for this oops? thank you very much! -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
