Begin forwarded message:

Date: Wed, 26 Jan 2005 15:47:19 -0800
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: [Bugme-new] [Bug 4110] New: Loading OHCI module hangs kernel


http://bugme.osdl.org/show_bug.cgi?id=4110

           Summary: Loading OHCI module hangs kernel
    Kernel Version: 2.6.10-gentoo-r6
            Status: NEW
          Severity: blocking
             Owner: [EMAIL PROTECTED]
         Submitter: [EMAIL PROTECTED]


Distribution: Gentoo
Hardware Environment: AthlonXP machine.  lspci -v is below:
0000:00:00.0 Host bridge: Silicon Integrated Systems [SiS] 745 Host (rev 01)
        Subsystem: ASUSTeK Computer Inc.: Unknown device 8083
        Flags: bus master, medium devsel, latency 32
        Memory at f0000000 (32-bit, non-prefetchable)
        Capabilities: [c0] AGP version 2.0

0000:00:01.0 PCI bridge: Silicon Integrated Systems [SiS] Virtual PCI-to-PCI
bridge (AGP) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        Memory behind bridge: ef000000-efffffff
        Prefetchable memory behind bridge: f7700000-febfffff

0000:00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS85C503/5513 (LPC
Bridge)
        Flags: bus master, medium devsel, latency 0

0000:00:02.1 SMBus: Silicon Integrated Systems [SiS] SiS961/2 SMBus Controller
        Flags: medium devsel, IRQ 17
        I/O ports at e600 [size=32]

0000:00:02.2 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller
(rev 07) (prog-if 10 [OHCI])
        Subsystem: ASUSTeK Computer Inc.: Unknown device 8083
        Flags: bus master, medium devsel, latency 128, IRQ 19
        Memory at ee800000 (32-bit, non-prefetchable)

0000:00:02.3 USB Controller: Silicon Integrated Systems [SiS] USB 1.0 Controller
(rev 07) (prog-if 10 [OHCI])
        Subsystem: ASUSTeK Computer Inc.: Unknown device 8083
        Flags: bus master, medium devsel, latency 128, IRQ 23
        Memory at ee000000 (32-bit, non-prefetchable)

0000:00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev d0)
(prog-if 80 [Master])
        Subsystem: ASUSTeK Computer Inc.: Unknown device 8083
        Flags: bus master, fast devsel, latency 128
        I/O ports at d800 [size=16]

0000:00:05.0 Multimedia audio controller: C-Media Electronics Inc CM8738 (rev 
10)
        Subsystem: ASUSTeK Computer Inc. CMI8738 6ch-MX
        Flags: bus master, stepping, medium devsel, latency 128, IRQ 17
        I/O ports at b000
        Capabilities: [c0] Power Management version 2

0000:00:09.0 Unknown mass storage controller: Promise Technology, Inc. PDC20262
(FastTrak66/Ultra66) (rev 01)
        Subsystem: Promise Technology, Inc. Ultra66
        Flags: bus master, medium devsel, latency 128, IRQ 17
        I/O ports at a800
        I/O ports at a400 [size=4]
        I/O ports at a000 [size=8]
        I/O ports at 9800 [size=4]
        I/O ports at 9400 [size=64]
        Memory at ed800000 (32-bit, non-prefetchable) [size=128K]

0000:00:0c.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 
0c)
        Subsystem: Intel Corp. EtherExpress PRO/100 S Desktop Adapter
        Flags: bus master, medium devsel, latency 128, IRQ 19
        Memory at ed000000 (32-bit, non-prefetchable)
        I/O ports at 9000 [size=64]
        Memory at ec800000 (32-bit, non-prefetchable) [size=128K]
        Capabilities: [dc] Power Management version 2

0000:01:00.0 VGA compatible controller: nVidia Corporation NV17 [GeForce4 MX
420] (rev a3) (prog-if 00 [VGA])
        Subsystem: CardExpert Technology: Unknown device 0002
        Flags: bus master, 66Mhz, medium devsel, latency 248, IRQ 16
        Memory at ef000000 (32-bit, non-prefetchable) [size=f77e0000]
        Memory at f8000000 (32-bit, prefetchable) [size=64M]
        Memory at f7800000 (32-bit, prefetchable) [size=512K]
        Expansion ROM at 00020000 [disabled]
        Capabilities: [60] Power Management version 2
        Capabilities: [44] AGP version 2.0

Software Environment:
Hang occurs during start up of system when "coldplug" attempts to load ohci-hcd.

Problem Description:
System just hangs.  Nothing can be done but RESET.

Steps to reproduce:
Build 2.6.10 sources with ohci-hcd as a module with gentoo patches to r6
optimized for athlon-xp (don't know if this is required) and boot.  Load
ohci-hcp module.  Hang.

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