On Tuesday, 5 of February 2008, Kamalesh Babulal wrote:
> Hi,
>
> The kernel bootup panics with the 2.6.24-mm1 and 2.6.24-git13 kernel
> while defconfig compiled in for x86_64 (Intel(R) Xeon) box
Is that still happening or has it been fixed?
Rafael
> BUG: unable to handle kernel paging request at ffffffffffffffb0
> IP: [<ffffffff80413642>] init_irq+0x188/0x444
> PGD 203067 PUD 204067 PMD 0
> Oops: 0000 [1] SMP
> CPU 2
> Modules linked in:
> Pid: 1, comm: swapper Not tainted 2.6.24 #1
> RIP: 0010:[<ffffffff80413642>] [<ffffffff80413642>] init_irq+0x188/0x444
> RSP: 0018:ffff81022f093e00 EFLAGS: 00010287
> RAX: ffffffffffffff90 RBX: ffffffff808a9100 RCX: 0000000000000000
> RDX: 00000000ffffffff RSI: ffff81022fc039c0 RDI: ffffffff8074dd00
> RBP: ffff81022f093e30 R08: ffffffff808af880 R09: 0000000000000002
> R10: 0000000000000001 R11: ffff8100000bed60 R12: ffffffff808b0400
> R13: ffffffff808b0410 R14: 0000000000000000 R15: ffffffffffffffff
> FS: 0000000000000000(0000) GS:ffff81022f0883c0(0000) knlGS:0000000000000000
> CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> CR2: ffffffffffffffb0 CR3: 0000000000201000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process swapper (pid: 1, threadinfo ffff81022f092000, task ffff81022f0797d0)
> Stack: ffff81022f093e30 0000000000000000 ffffffff808a9100 ffffffff808a9120
> 00000000ffffffed 0000000000000000 ffff81022f093eb0 ffffffff80414425
> ffff81022f093ec0 0000000000000000 000000008074e920 0000000000000246
> Call Trace:
> [<ffffffff80414425>] ide_device_add_all+0xb27/0xe1b
> [<ffffffff807d2884>] ide_generic_init+0x3a/0x3e
> [<ffffffff807b473b>] kernel_init+0x175/0x2e7
> [<ffffffff8020bff8>] child_rip+0xa/0x12
> [<ffffffff80372350>] ? acpi_ds_init_one_object+0x0/0x88
> [<ffffffff807b45c6>] ? kernel_init+0x0/0x2e7
> [<ffffffff8020bfee>] ? child_rip+0x0/0x12
>
>
> Code: 89 03 49 8b 45 18 48 89 18 48 39 1b 75 04 0f 0b eb fe fe 05 51 51 38 00 fb eb 5b 48 8b 83 28 07 00 00 83 ca ff 48 83 e8 70 74 0e <48> 8b 40 20 48 8b 80 88 00 00 00 8b 50 04 48 8b 3d 79 ff 2f 00
> RIP [<ffffffff80413642>] init_irq+0x188/0x444
> RSP <ffff81022f093e00>
> CR2: ffffffffffffffb0
> ---[ end trace 9010a4c8c4ba608a ]---
>
> (gdb) p init_irq
> $1 = {int (ide_hwif_t *)} 0xffffffff804134ba <init_irq>
> (gdb) p/x 0xffffffff804134ba+0x188
> $2 = 0xffffffff80413642
> (gdb) l *0xffffffff80413642
> 0xffffffff80413642 is in init_irq (include/linux/ide.h:1311).
> 1306 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0);
> 1307 }
> 1308
> 1309 static inline int hwif_to_node(ide_hwif_t *hwif)
> 1310 {
> 1311 struct pci_dev *dev = to_pci_dev(hwif->dev);
> 1312 return dev ? pcibus_to_node(dev->bus) : -1;
> 1313 }
> 1314
> 1315 static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive)
> (gdb)
>
> (gdb) p ide_device_add_all
> $1 = {int (u8 *, const struct ide_port_info *)} 0xffffffff804138fe <ide_device_add_all>
> (gdb) p/x 0xffffffff804138fe
> $2 = 0xffffffff804138fe
> (gdb) l *0xffffffff804138fe
> 0xffffffff804138fe is in ide_device_add_all (drivers/ide/ide-probe.c:1372).
> 1367 hwif->cbl = hwif->cable_detect(hwif);
> 1368 }
> 1369 }
> 1370
> 1371 int ide_device_add_all(u8 *idx, const struct ide_port_info *d)
> 1372 {
> 1373 ide_hwif_t *hwif, *mate = NULL;
> 1374 int i, rc = 0;
> 1375
> 1376 for (i = 0; i < MAX_HWIFS; i++) {
> (gdb)
>
--
"Premature optimization is the root of all evil." - Donald Knuth
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