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Subject: 2.6.7-mm5 - more ACPI/IRQ badness?
From: Jurgen Kramer <gtm.kramer@inter.nl.net>
To: linux-kernel@vger.kernel.org
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Date: Fri, 02 Jul 2004 20:20:36 +0200
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After the issues with my EHCI controller I now hit another related
problem. This time the IRQ of my onboard ethernet controller is being
silenced. It happened when I removed the 3w-9xxx module which share
interrupts. I tried bringing the ethernet connection back to live by
doing a rmmod & insmod but that brought another 'Disabling IRQ..'

<snip>
Synchronizing SCSI cache for disk sde:
FAILED
  status = 0, message = 00, host = 1, driver = 00
  <4>3w-9xxx: Shutting down host 1.
3w-9xxx: Shutdown complete.
irq 22: nobody cared!
 [<c0108106>] __report_bad_irq+0x2a/0x8b
 [<c01081f0>] note_interrupt+0x6f/0x9f
 [<c0108473>] do_IRQ+0x10c/0x10e
 [<c0106850>] common_interrupt+0x18/0x20
handlers:
[<f8a646f6>] (SkGeIsrOnePort+0x0/0x176 [sk98lin])
Disabling IRQ #22
eth0: network connection down
Badness in remove_proc_entry at fs/proc/generic.c:681
 [<c0189e18>] remove_proc_entry+0xfa/0x134
 [<f8a814eb>] skge_cleanup_module+0xc3/0x1c7 [sk98lin]
 [<c01354d6>] __try_stop_module+0x0/0x53
 [<c0132c6b>] sys_delete_module+0x14f/0x1a0
 [<c014c798>] do_munmap+0x126/0x15c
 [<c0105e91>] sysenter_past_esp+0x52/0x71
ACPI: PCI interrupt 0000:02:05.0[A] -> GSI 22 (level, low) -> IRQ 22
sk98lin: Network Device Driver v6.23
(C)Copyright 1999-2004 Marvell(R).
ACPI: PCI interrupt 0000:02:05.0[A] -> GSI 22 (level, low) -> IRQ 22
eth0: 3Com Gigabit LOM (3C940)
      PrefPort:A  RlmtMode:Check Link State
irq 22: nobody cared!
 [<c0108106>] __report_bad_irq+0x2a/0x8b
 [<c01081f0>] note_interrupt+0x6f/0x9f
 [<c0108473>] do_IRQ+0x10c/0x10e
 [<c0106850>] common_interrupt+0x18/0x20
 [<c010401e>] default_idle+0x0/0x2c
 [<c0104047>] default_idle+0x29/0x2c
 [<c01040b0>] cpu_idle+0x33/0x3c
 [<c031684b>] start_kernel+0x1a0/0x1dd
 [<c0316309>] unknown_bootoption+0x0/0x149
handlers:
[<f8a636f6>] (SkGeIsrOnePort+0x0/0x176 [sk98lin])
Disabling IRQ #22

Jurgen