From: Tejun Heo <htejun@gmail.com>
To: Wojciech Zareba <wojtekz@comp.waw.pl>
Cc: linux-ide@vger.kernel.org
Subject: Re: PROBLEM: WARNING: at kernel/irq/manage.c:158 enable_irq() during boot
Date: Wed, 12 Dec 2007 08:39:48 +0900 [thread overview]
Message-ID: <475F1FC4.7080501@gmail.com> (raw)
In-Reply-To: <475E89EE.70501@comp.waw.pl>
Wojciech Zareba wrote:
> Hello,
>
> Tejun Heo pisze:
>> (cc'ing Bartlomiej)
>> Hello,
>>
>> wojtekz@comp.waw.pl wrote:
>>> Dec 6 11:58:23 titanium kernel: WARNING: at kernel/irq/manage.c:158 enable_irq()
>>> Dec 6 11:58:23 titanium kernel: [<c014b5c3>] enable_irq+0x6e/0xa2
>>> Dec 6 11:58:23 titanium kernel: [<f887b783>] probe_hwif+0x6d8/0x7c7 [ide_core]
>>> Dec 6 11:58:23 titanium kernel: [<f887c0be>] probe_hwif_init_with_fixup+0xc/0x80 [ide_core]
>>> Dec 6 11:58:23 titanium kernel: [<c0190007>] elf_core_dump+0x627/0xb60
>>> Dec 6 11:58:23 titanium kernel: [<f887df7b>] ide_setup_pci_device+0x6f/0x9c [ide_core]
>>> Dec 6 11:58:23 titanium kernel: [<f883b1a7>] pdc202new_init_one+0xf/0x10 [pdc202xx_new]
>>> Dec 6 11:58:23 titanium kernel: [<c01d94de>] pci_device_probe+0x36/0x55
>>> Dec 6 11:58:23 titanium kernel: [<c021f8cb>] driver_probe_device+0xc8/0x14b
>>> Dec 6 11:58:23 titanium kernel: [<c021fa37>] __driver_attach+0x52/0x87
>>> Dec 6 11:58:23 titanium kernel: [<c021eecc>] bus_for_each_dev+0x35/0x57
>>> Dec 6 11:58:23 titanium kernel: [<c021f748>] driver_attach+0x16/0x18
>>> Dec 6 11:58:23 titanium kernel: [<c021f9e5>] __driver_attach+0x0/0x87
>>> Dec 6 11:58:23 titanium kernel: [<c021f1a8>] bus_add_driver+0x6d/0x153
>>> Dec 6 11:58:23 titanium kernel: [<c01d961d>] __pci_register_driver+0x4b/0x77
>>> Dec 6 11:58:23 titanium kernel: [<c0143a39>] sys_init_module+0x1525/0x15fb
>>> Dec 6 11:58:23 titanium kernel: [<f8879af9>] ide_config_drive_speed+0x0/0x314 [ide_core]
>>> Dec 6 11:58:23 titanium kernel: [<c0103f9e>] syscall_call+0x7/0xb
>>> Dec 6 11:58:23 titanium kernel: [<c02b0000>] wireless_nlevent_process+0x15/0x31
>>> Dec 6 11:58:23 titanium kernel: =======================
>> That means IRQ is being enabled more times than it should be. Can you
>> please give a shot at 2.6.24-rc4 and see whether the problem is still there?
>>
> It seems to be no more of this warning in the 2.6.24-rc4 kernel. But my feeling
> is that overall system performance is much poorer... pity. Maybe I should change
> something in the .config file?
Good, so it's something fixed during 2.6.24 devel cycle. What do you
mean by 'overall system performance'? Does IO feel much slower?
--
tejun
prev parent reply other threads:[~2007-12-11 23:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-06 12:10 PROBLEM: WARNING: at kernel/irq/manage.c:158 enable_irq() during boot wojtekz
2007-12-10 9:35 ` Tejun Heo
2007-12-11 13:00 ` Wojciech Zareba
2007-12-11 23:39 ` Tejun Heo [this message]
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