Re: [Fastboot] Re: [RFC/PATCH] Kdump: Disabling PCI interrupts in capture kernel

[Maneesh Soni <maneesh@in.ibm.com>]

Quoting Greg KH <greg@kroah.com>:

> On Fri, Jun 03, 2005 at 04:55:24PM +0530, Vivek Goyal wrote:
> > Hi,
> > 
> > In kdump, sometimes, general driver initialization issues seems to be
> cropping 
> > in second kernel due to devices not being shutdown during crash and these
> 
> > devices are sending interrupts while second kernel is booting and drivers
> are 
> > not expecting any interrupts yet.
> 
> What are the errors you are seeing?
> How would the drivers be able to be getting interrupts delivered to them
> if they haven't registered the irq handler yet?

Probably the boot log with error messages could have been inlined instead
of putting as attachement. This is from attachement in Vievk's post


irq 11: nobody cared (try booting with the "irqpoll" option. 
 [<c103a3ef>] __report_bad_irq+0x2a/0x8d 
 [<c1039c28>] handle_IRQ_event+0x39/0x6d 
 [<c103a4eb>] note_interrupt+0x7f/0xe4 
 [<c1039dc5>] __do_IRQ+0x169/0x194 
 [<c1004cc6>] do_IRQ+0x1b/0x28 
 [<c1003256>] common_interrupt+0x1a/0x20 
 [<c101d61b>] __do_softirq+0x2b/0x88 
 [<c101d69e>] do_softirq+0x26/0x2a 
 [<c101d759>] irq_exit+0x33/0x35 
 [<c1004ccb>] do_IRQ+0x20/0x28 
 [<c1003256>] common_interrupt+0x1a/0x20 
 [<c1018916>] release_console_sem+0x43/0xf6 
 [<c101875f>] vprintk+0x16c/0x277 
 [<c1074dd8>] d_lookup+0x23/0x46 
 [<c10748ac>] d_alloc+0x136/0x1a6 
 [<c10185ef>] printk+0x17/0x1b 
 [<c120f33f>] hub_probe+0xa0/0x168 
 [<c1096dd1>] sysfs_new_dirent+0x1f/0x64 
 [<c120d37f>] usb_probe_interface+0x59/0x71 
 [<c116c9b2>] driver_probe_device+0x2f/0xa7 
 [<c116ca2a>] __device_attach+0x0/0x5 
 [<c116c259>] bus_for_each_drv+0x58/0x78 
 [<c116ca8f>] device_attach+0x60/0x64 
 [<c116ca2a>] __device_attach+0x0/0x5 
 [<c116c383>] bus_add_device+0x29/0xa6 
 [<c116f9c7>] device_pm_add+0x56/0x9c 
 [<c116b7c3>] device_add+0xc5/0x14a 
 [<c121557e>] usb_set_configuration+0x346/0x528 
 [<c120fa47>] usb_new_device+0xab/0x1be 
 [<c120007b>] ohci_iso_recv_set_channel_mask+0x3/0xc6 
 [<c12124e1>] register_root_hub+0xaf/0x162 
 [<c12133bf>] usb_add_hcd+0x172/0x396 
 [<c1217bce>] usb_hcd_pci_probe+0x26e/0x375 
 [<c10284e7>] __call_usermodehelper+0x0/0x61 
 [<c110cbe4>] pci_device_probe_static+0x40/0x54 
 [<c110cc27>] __pci_device_probe+0x2f/0x42 
 [<c110cc63>] pci_device_probe+0x29/0x47 
 [<c116c9b2>] driver_probe_device+0x2f/0xa7 
 [<c116ca93>] __driver_attach+0x0/0x43 
 [<c116cad4>] __driver_attach+0x41/0x43 
 [<c116c1c2>] bus_for_each_dev+0x5a/0x7a 
 [<c116cafc>] driver_attach+0x26/0x2a 
 [<c116ca93>] __driver_attach+0x0/0x43 
 [<c116c5cb>] bus_add_driver+0x6b/0xa5 
 [<c110ce97>] pci_register_driver+0x5e/0x7c 
 [<c14246f5>] init+0x1d/0x25 
 [<c140c7ed>] do_initcalls+0x54/0xb6 
 [<c100029c>] init+0x0/0x10c 
 [<c100029c>] init+0x0/0x10c 
 [<c10002c6>] init+0x2a/0x10c 
 [<c1001348>] kernel_thread_helper+0x0/0xb 
 [<c100134d>] kernel_thread_helper+0x5/0xb 
handlers: 
[<c11e3421>] (ahd_linux_isr+0x0/0x284) 
Disabling IRQ #11 


Thanks
Maneesh


-- 
Maneesh Soni
IBM Linux Technology Center
IBM India Software Labs,
Bangalore, India
Ph. 91-80-25044990
email: maneesh@in.ibm.com