From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kamalesh Babulal Subject: Re: [BUG] 2.6.24-mm1 and 2.6.24-git13 kernel panic's while bootup at ide_device_add_all Date: Wed, 13 Feb 2008 18:29:18 +0530 Message-ID: <47B2E9A6.9060101@linux.vnet.ibm.com> References: <47A81865.9000506@linux.vnet.ibm.com> <200802131342.39803.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from E23SMTP03.au.ibm.com ([202.81.18.172]:48420 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751965AbYBMM7a (ORCPT ); Wed, 13 Feb 2008 07:59:30 -0500 In-Reply-To: <200802131342.39803.rjw@sisk.pl> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Rafael J. Wysocki" Cc: LKML , linux-ide@vger.kernel.org, Andrew Morton , ananth@in.ibm.com, Andy Whitcroft , Balbir Singh Rafael J. Wysocki wrote: > 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 The panic is solved by the patch http://lkml.org/lkml/2008/2/11/350 but the kernel is not boot because of the panic (http://lkml.org/lkml/2008/2/12/91) Creating root device. Mounting root filesystem. mount: could not find filesystem Kernel panic - not syncing: Attempted to kill init! > > >> BUG: unable to handle kernel paging request at ffffffffffffffb0 >> IP: [] 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:[] [] 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: >> [] ide_device_add_all+0xb27/0xe1b >> [] ide_generic_init+0x3a/0x3e >> [] kernel_init+0x175/0x2e7 >> [] child_rip+0xa/0x12 >> [] ? acpi_ds_init_one_object+0x0/0x88 >> [] ? kernel_init+0x0/0x2e7 >> [] ? 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 [] init_irq+0x188/0x444 >> RSP >> CR2: ffffffffffffffb0 >> ---[ end trace 9010a4c8c4ba608a ]--- >> >> (gdb) p init_irq >> $1 = {int (ide_hwif_t *)} 0xffffffff804134ba >> (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 >> (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) >> > > > -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL.