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https://bugs.freedesktop.org/show_bug.cgi?id=6645
Summary: irq 11: nobody cared (i915)
Product: DRI
Version: XOrg CVS
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: DRM modules
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
The Kernel module 'i915' has a strange bug since version 1.4.0.
When X is starting after the boot, everything runs normally as always.
But when I switch to a tty, the problem appears: I get a strange message in the
kernel log (dmesg) and IRQ 11 gets disabled:
irq 11: nobody cared (try booting with the "irqpoll" option)
[<7813a464>] __report_bad_irq+0x24/0x90
[<7813a56b>] note_interrupt+0x9b/0x210
[<c804ce99>] usb_hcd_irq+0x39/0x70 [usbcore]
[<78139f4d>] handle_IRQ_event+0x3d/0x70
[<7813a034>] __do_IRQ+0xb4/0xc0
[<78104cb9>] do_IRQ+0x19/0x30
[<7810301e>] common_interrupt+0x1a/0x20
[<781209de>] __do_softirq+0x2e/0xa0
[<78104620>] do_general_protection+0x0/0x1c0
[<78120a76>] do_softirq+0x26/0x30
[<78104cbe>] do_IRQ+0x1e/0x30
[<7810301e>] common_interrupt+0x1a/0x20
[<78104620>] do_general_protection+0x0/0x1c0
[<78103066>] error_code+0x3a/0x54
[<78104620>] do_general_protection+0x0/0x1c0
[<78102e51>] syscall_call+0x7/0xb
handlers:
[<c804ce60>] (usb_hcd_irq+0x0/0x70 [usbcore])
[<c804ce60>] (usb_hcd_irq+0x0/0x70 [usbcore])
[<c804ce60>] (usb_hcd_irq+0x0/0x70 [usbcore])
[<c804ce60>] (usb_hcd_irq+0x0/0x70 [usbcore])
Disabling IRQ #11
And here is my /proc/interrupts file:
CPU0
0: 613004 XT-PIC timer
1: 5824 XT-PIC i8042
2: 0 XT-PIC cascade
8: 4 XT-PIC rtc
9: 5910 XT-PIC acpi
10: 42118 XT-PIC Intel 82801DB-ICH4, yenta, eth0
11: 300000 XT-PIC uhci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3,
ehci_hcd:usb4, [EMAIL PROTECTED]:0000:00:02.0
12: 227076 XT-PIC i8042
14: 36038 XT-PIC ide0
15: 21784 XT-PIC ide1
NMI: 0
ERR: 0
After that, all USB devices are no longer working.
This problem appears since Kernel 2.6.16-rc2 (i915 was updated to 1.4.0), older
versions are working good.
If I use the i830 kernel module, there is also no problem.
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