ALT Linux Bugzilla – #11679

наблюдалось порой и ранее (точно ловил на alt5), но всё не добирался посмотреть
сразу в dmesg, когда начинала резко тормозить беспроводная мыша с 2.4GHz
USB-адаптером; а там:

usbcore: registered new driver usbfs
usbcore: registered new driver hub
USB Universal Host Controller Interface driver v3.0
PCI: Found IRQ 11 for device 0000:00:1d.0
PCI: Sharing IRQ 11 with 0000:01:00.0
PCI: Sharing IRQ 11 with 0000:02:00.0
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
irq 11: nobody cared (try booting with the "irqpoll" option)
 [<c010448a>] show_trace_log_lvl+0x5b/0x16d
 [<c0104b0a>] show_trace+0xf/0x11
 [<c0104c07>] dump_stack+0x15/0x17
 [<c014425a>] __report_bad_irq+0x36/0x7d
 [<c0144450>] note_interrupt+0x1af/0x1eb
 [<c0143aa5>] __do_IRQ+0xb9/0xee
 [<c010598e>] do_IRQ+0x71/0x83
 [<c0103e6a>] common_interrupt+0x1a/0x20
DWARF2 unwinder stuck at common_interrupt+0x1a/0x20
Leftover inexact backtrace:
 [<c0122080>] __do_softirq+0x51/0xbb
 [<c0122120>] do_softirq+0x36/0x3a
 [<c0105993>] do_IRQ+0x76/0x83
 [<c022c1ec>] pci_write+0x2a/0x2f
 [<c0103e6a>] common_interrupt+0x1a/0x20
 [<c01b007b>] cfq_init_prio_data+0x4e/0xbf
 [<c0289c00>] _spin_unlock_irqrestore+0x8/0x9
 [<c014408a>] setup_irq+0x12a/0x188
 [<e192ba02>] usb_hcd_irq+0x0/0x50 [usbcore]
 [<c0144164>] request_irq+0x7c/0x98
 [<e192b6ad>] usb_add_hcd+0x254/0x518 [usbcore]
 [<e1933194>] usb_hcd_pci_probe+0x25d/0x325 [usbcore]
 [<c0213925>] __driver_attach+0x0/0x5d
 [<c01bcc14>] pci_device_probe+0x36/0x57
 [<c0213875>] driver_probe_device+0x45/0x9a
 [<c021395d>] __driver_attach+0x38/0x5d
 [<c021336c>] bus_for_each_dev+0x39/0x5b
 [<c02137dc>] driver_attach+0x16/0x18
 [<c0213925>] __driver_attach+0x0/0x5d
 [<c021306a>] bus_add_driver+0x6c/0x107
 [<c01bcd50>] __pci_register_driver+0x47/0x63
 [<e1719060>] uhci_hcd_init+0x60/0xa3 [uhci_hcd]
 [<c0136def>] sys_init_module+0x17b9/0x1952
 [<c01494e6>] generic_file_read+0x0/0xb8
 [<c0102e17>] syscall_call+0x7/0xb
handlers:
[<e192ba02>] (usb_hcd_irq+0x0/0x50 [usbcore])
Disabling IRQ #11
uhci_hcd 0000:00:1d.0: irq 11, io base 0x00001800
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found

$ lspci
00:00.0 Host bridge: Intel Corporation 82830 830 Chipset Host Bridge (rev 02)
00:01.0 PCI bridge: Intel Corporation 82830 830 Chipset AGP Bridge (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801CA/CAM USB (Hub #1) (rev 01)
00:1d.1 USB Controller: Intel Corporation 82801CA/CAM USB (Hub #2) (rev 01)
00:1d.2 USB Controller: Intel Corporation 82801CA/CAM USB (Hub #3) (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 41)
00:1f.0 ISA bridge: Intel Corporation 82801CAM ISA Bridge (LPC) (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801CAM IDE U100 (rev 01)
00:1f.3 SMBus: Intel Corporation 82801CA/CAM SMBus Controller (rev 01)
00:1f.5 Multimedia audio controller: Intel Corporation 82801CA/CAM AC'97 Audio
Controller (rev 01)
00:1f.6 Modem: Intel Corporation 82801CA/CAM AC'97 Modem Controller (rev 01)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility M6 LY
02:00.0 CardBus bridge: Ricoh Co Ltd RL5c478 (rev a0)
02:00.1 CardBus bridge: Ricoh Co Ltd RL5c478 (rev a0)
02:00.2 FireWire (IEEE 1394): Ricoh Co Ltd R5C522 IEEE 1394 Controller
02:02.0 Network controller: Intersil Corporation Prism 2.5 Wavelan chipset (rev 01)
02:08.0 Ethernet controller: Intel Corporation 82801CAM (ICH3) PRO/100 VE (LOM)
Ethernet Controller (rev 41)

ACPI отключено по причине использования APM (STR и мониторинг батарейки
посредством wmibam, который apm-only).

# lsusb                    
Bus 003 Device 001: ID 0000:0000  
Bus 002 Device 001: ID 0000:0000  
Bus 001 Device 001: ID 0000:0000  
$ cat /proc/interrupts 
           CPU0       
  0:      94921          XT-PIC  timer
  1:       2290          XT-PIC  i8042
  2:          0          XT-PIC  cascade
  5:          0          XT-PIC  yenta, Intel 82801CA-ICH3
  6:          3          XT-PIC  floppy
  7:          3          XT-PIC  parport0
  8:          1          XT-PIC  rtc
  9:        725          XT-PIC  eth0
 11:     100000          XT-PIC  uhci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3,
ohci1394, yenta, radeon@pci:0000:01:00.0
 12:       6098          XT-PIC  i8042
 14:      12562          XT-PIC  ide0
 15:         87          XT-PIC  ide1
NMI:          0 
LOC:          0 
ERR:          0
MIS:          0