linux-kernel - 2.6.29.1 sdhci: irq 19: nobody cared

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Date:	Fri, 17 Apr 2009 17:00:18 +0200
From:	Alessandro Bono <alessandro.bono@...il.com>
To:	sdhci-devel@...t.drzeus.cx,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: 2.6.29.1 sdhci: irq 19: nobody cared

Hi

This is a bug that occur from time to time on my (unsed) sdhci card
drive
this is with kernel 2.6.29.1 (not a regression, I had the same problem
with older kernel)

[ 2885.888003] irq 19: nobody cared (try booting with the "irqpoll"
option)
[ 2885.888014] Pid: 0, comm: swapper Not tainted 2.6.29.1 #1
[ 2885.888019] Call Trace:
[ 2885.888023]  <IRQ>  [<ffffffff802751cb>] __report_bad_irq+0x38/0x87
[ 2885.888045]  [<ffffffff80275332>] note_interrupt+0x118/0x182
[ 2885.888053]  [<ffffffff80275962>] handle_fasteoi_irq+0xa1/0xc5
[ 2885.888062]  [<ffffffff8020de49>] do_IRQ+0x70/0xe7
[ 2885.888069]  [<ffffffff8020bf53>] ret_from_intr+0x0/0xa
[ 2885.888073]  <EOI>  [<ffffffff8024f317>] ? notifier_call_chain
+0x33/0x5b
[ 2885.888136]  [<ffffffffa002b7bb>] ? acpi_idle_enter_simple
+0x186/0x1f8 [processor]
[ 2885.888159]  [<ffffffffa002b7b1>] ? acpi_idle_enter_simple
+0x17c/0x1f8 [processor]
[ 2885.888169]  [<ffffffff80399fa6>] ? cpuidle_idle_call+0x8c/0xc6
[ 2885.888176]  [<ffffffff8020a649>] ? cpu_idle+0x52/0x93
[ 2885.888184]  [<ffffffff804133cd>] ? rest_init+0x61/0x63
[ 2885.888189] handlers:
[ 2885.888192] [<ffffffffa02b2b86>] (sdhci_irq+0x0/0x49a [sdhci])
[ 2885.888208] Disabling IRQ #19


as you can see there is a lot of interrupts on mmc0 but seems strange
because I don't use this drive at all


cat /proc/interrupts 
           CPU0       CPU1               
  0:     320163     361871   IO-APIC-edge      timer
  1:        997       1017   IO-APIC-edge      i8042
  7:          0          0   IO-APIC-edge      parport0
  9:       3427        205   IO-APIC-fasteoi   acpi    
 12:        920        876   IO-APIC-edge      i8042   
 14:      43038        224   IO-APIC-edge      ata_piix
 15:          0          0   IO-APIC-edge      ata_piix
 16:      34787         50   IO-APIC-fasteoi   uhci_hcd:usb2, yenta
 17:        742        735   IO-APIC-fasteoi   uhci_hcd:usb4, yenta, HDA
Intel, HDA Intel
 18:          2          2   IO-APIC-fasteoi   ohci1394, ehci_hcd:usb1,
uhci_hcd:usb7    
 19:    5399854        147   IO-APIC-fasteoi
mmc0                                      
 20:         12         12   IO-APIC-fasteoi   ehci_hcd:usb3,
uhci_hcd:usb5              
 22:          0          0   IO-APIC-fasteoi
uhci_hcd:usb6                             
 28:      57246         12   PCI-MSI-edge
eth0                                      
 29:      26003      21615   PCI-MSI-edge
ahci                                      
 30:        922        722   PCI-MSI-edge
iwlagn                                    
NMI:          0          0   Non-maskable
interrupts                                     
LOC:     235843     241312   Local timer
interrupts                                      
RES:      58369      76238   Rescheduling
interrupts                                     
CAL:         67         65   Function call
interrupts                                    
TLB:       3679       4198   TLB
shootdowns                                              
TRM:          0          0   Thermal event
interrupts                                    
THR:          0          0   Threshold APIC
interrupts                                   
SPU:          0          0   Spurious
interrupts                                         
ERR:
0                                                                          
MIS:          0                                   


from dmesg

[    9.220049] ricoh-mmc: Ricoh MMC Controller disabling driver
[    9.220054] ricoh-mmc: Copyright(c) Philip Langdale
[    9.258786] sdhci: Secure Digital Host Controller Interface driver
[    9.258788] sdhci: Copyright(c) Pierre Ossman
[    9.329406] ricoh-mmc: Ricoh MMC controller found at 0000:02:06.4
[1180:0843] (rev 10)
[    9.329424] ricoh-mmc: Controller is now disabled.
[    9.329463] sdhci-pci 0000:02:06.3: SDHCI controller found
[1180:0822] (rev 20)
[    9.329480] sdhci-pci 0000:02:06.3: PCI INT D -> GSI 19 (level, low)
-> IRQ 19
[    9.331556] Registered led device: mmc0::
[    9.332608] mmc0: SDHCI controller on PCI [0000:02:06.3] using PIO


dmesg attached

tell me if you need other info

thanks

-- 
Cordiali Saluti
Alessandro Bono

View attachment "dmesg-2.6.29.1" of type "text/plain" (52542 bytes)