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Date: Thu, 31 May 2007 08:37:52 -0600
From: Robert Hancock <hancockr@shaw.ca>
Subject: Re: hisax isdn card (Sedlbauer Speed Fax+) does not get an interrupt
In-reply-to: <fa./GDxiXMgfJlsQXnkvKu3TibPJV8@ifi.uio.no>
To: Thomas Voegtle <tv@lio96.de>
Cc: linux-kernel@vger.kernel.org
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Thomas Voegtle wrote:
> Hi,
> 
> after finally upgrading our systems from Kernel 2.4 to 2.6 we experienced 
> problems with the ISDN cards, a hisax driven Sedlbauer Speed Fax+.
> 
> 
> A "modprobe hisax type=28 protocol=2" ends in this mess:
> 
> ==========================================================================
> <05>2007 May 30 14:21:40 cbs kern: ISDN subsystem Rev: 1.1.2.3/1.1.2.3/1.1.2.2/1.1.2.3/1.1.2.2/1.1.2.2 loaded
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Linux Driver for passive ISDN cards
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Version 3.5 (module)
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Layer1 Revision 2.46.2.5
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Layer2 Revision 2.30.2.4
> <06>2007 May 30 14:21:40 cbs kern: HiSax: TeiMgr Revision 2.20.2.3
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Layer3 Revision 2.22.2.3
> <06>2007 May 30 14:21:40 cbs kern: HiSax: LinkLayer Revision 2.59.2.4
> <06>2007 May 30 14:21:40 cbs kern: HiSax module removed
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Linux Driver for passive ISDN cards
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Version 3.5 (module)
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Layer1 Revision 2.46.2.5
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Layer2 Revision 2.30.2.4
> <06>2007 May 30 14:21:40 cbs kern: HiSax: TeiMgr Revision 2.20.2.3
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Layer3 Revision 2.22.2.3
> <06>2007 May 30 14:21:40 cbs kern: HiSax: LinkLayer Revision 2.59.2.4
> <07>2007 May 30 14:21:40 cbs kern: HiSax: Total 1 card defined
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Card 1 Protocol EDSS1 Id=isdn0 (0)
> <06>2007 May 30 14:21:40 cbs kern: HiSax: Sedlbauer driver Rev. 1.34.2.6
> <06>2007 May 30 14:21:40 cbs kern: ACPI: PCI Interrupt 0000:01:03.0[A] -> Link [LNKD] -> GSI 11 (level, low) -> IRQ 11
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: PCI subvendor:51 subid 1
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: PCI base adr 0xa800
> <03>2007 May 30 14:21:40 cbs kern: irq 11: nobody cared (try booting with the \"irqpoll\" option)
> <04>2007 May 30 14:21:40 cbs kern: [<c012f243>] __report_bad_irq+0x2b/0x69
> <04>2007 May 30 14:21:40 cbs kern: [<c012f3e7>] note_interrupt+0x166/0x193
> <04>2007 May 30 14:21:40 cbs kern: [<c03089c0>] usb_hcd_irq+0x23/0x4f
> <04>2007 May 30 14:21:40 cbs kern: [<c012ee7c>] handle_IRQ_event+0x21/0x4a
> <04>2007 May 30 14:21:40 cbs kern: [<c012ef0d>] __do_IRQ+0x68/0x8f
> <04>2007 May 30 14:21:40 cbs kern: [<c01050de>] do_IRQ+0x5c/0x77
> <04>2007 May 30 14:21:40 cbs kern: =======================
> <04>2007 May 30 14:21:40 cbs kern: [<c0103ada>] common_interrupt+0x1a/0x20
> <04>2007 May 30 14:21:40 cbs kern: [<c011a87c>] __do_softirq+0x2c/0x7d
> <04>2007 May 30 14:21:40 cbs kern: [<c0105131>] do_softirq+0x38/0x3f
> <04>2007 May 30 14:21:40 cbs kern: =======================
> <04>2007 May 30 14:21:40 cbs kern: [<c01050f0>] do_IRQ+0x6e/0x77
> <04>2007 May 30 14:21:40 cbs kern: [<c0103ada>] common_interrupt+0x1a/0x20
> <04>2007 May 30 14:21:40 cbs kern: [<d894007b>] W6692B_interrupt+0x23c/0x559 [hisax]
> <04>2007 May 30 14:21:40 cbs kern: [<c010b893>] delay_pmtmr+0xb/0x13
> <04>2007 May 30 14:21:40 cbs kern: [<c01b73f5>] __delay+0x9/0xa
> <04>2007 May 30 14:21:40 cbs kern: [<d892f834>] setup_sedlbauer+0x1ee/0x534 [hisax]
> <04>2007 May 30 14:21:40 cbs kern: [<c01175e8>] printk+0x12/0x16
> <04>2007 May 30 14:21:40 cbs kern: [<d890dcdb>] checkcard+0x201/0x566 [hisax]
> <04>2007 May 30 14:21:40 cbs kern: [<d890dd62>] checkcard+0x288/0x566 [hisax]
> <04>2007 May 30 14:21:40 cbs kern: [<d88554dc>] HiSax_init+0x4dc/0x57a [hisax]
> <04>2007 May 30 14:21:40 cbs kern: [<c0159693>] new_inode+0x14/0x76
> <04>2007 May 30 14:21:40 cbs kern: [<c017340c>] sysfs_add_file+0x1f/0x52
> <04>2007 May 30 14:21:40 cbs kern: [<c01275fc>] debug_mutex_add_waiter+0x14/0x24
> <04>2007 May 30 14:21:40 cbs kern: [<c0173995>] sysfs_new_dirent+0x17/0x56
> <04>2007 May 30 14:21:40 cbs kern: [<c012a782>] sys_init_module+0x1364/0x1439
> <04>2007 May 30 14:21:40 cbs kern: [<c013711c>] vma_prio_tree_insert+0x17/0x2a
> <04>2007 May 30 14:21:40 cbs kern: [<c013ac54>] vma_link+0x85/0x8b
> <04>2007 May 30 14:21:40 cbs kern: [<c013c7a4>] do_mmap_pgoff+0x4e7/0x634
> <04>2007 May 30 14:21:40 cbs kern: [<c0106f44>] sys_mmap2+0x61/0x90
> <04>2007 May 30 14:21:40 cbs kern: [<c0102a79>] syscall_call+0x7/0xb
> <03>2007 May 30 14:21:40 cbs kern: handlers:
> <03>2007 May 30 14:21:40 cbs kern: [<c030899d>] (usb_hcd_irq+0x0/0x4f)
> <00>2007 May 30 14:21:40 cbs kern: Disabling IRQ #11
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: defined at 0xa800-0xa900 IRQ 11
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: speed fax+ pyramid detected
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: ISAC version (0): 2086/2186 V1.1
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: resetting card
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: ISAR version 1
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer Speed Fax +: IRQ 11 count 100000
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: resetting card
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer Speed Fax +: IRQ 11 count 100000
> <04>2007 May 30 14:21:40 cbs kern: Sedlbauer Speed Fax +: IRQ(11) getting no interrupts during init 1
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: resetting card
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: resetting card
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer Speed Fax +: IRQ 11 count 100000
> <04>2007 May 30 14:21:40 cbs kern: Sedlbauer Speed Fax +: IRQ(11) getting no interrupts during init 2
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: resetting card
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: resetting card
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer Speed Fax +: IRQ 11 count 100000
> <04>2007 May 30 14:21:40 cbs kern: Sedlbauer Speed Fax +: IRQ(11) getting no interrupts during init 3
> <06>2007 May 30 14:21:40 cbs kern: Sedlbauer: resetting card
> <04>2007 May 30 14:21:40 cbs kern: HiSax: Card Sedlbauer Speed Fax + not installed !
> ==========================================================================
> 
> While the output seems to suggest a hardware problem, the same system 
> loads the hisax driver perfectly on recent 2.4 kernels.
> 
> We tried several kernel versions, up to 2.6.21.3
> 
> Any hints are appreciated :)

Likely a driver problem - the device is using IRQ 11, but the driver 
never actually registered a handler for that interrupt (it's not in the 
list of handlers, only USB is). Maybe retrieving the interrupt before 
pci_enable_device? (I haven't looked at the code in question.)

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/

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