Messages in this thread |  | | Date | Thu, 30 Nov 2000 17:25:56 -0800 | From | Miles Lane <> | Subject | Re: [linux-usb-devel] [patch] usb-uhci.c: fix for PCI-lockups/IRQ problems |
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Georg Acher wrote:
> Hi, > test12-pre3 had a large set of patches to usb-uhci.c. One small detail of > this patch can make the driver to lockup the PCI bus with certain UHCI-chips > (only Intel but not VIA, of course not on my machines...). This patch should > fix that. > It also includes Linus' patch for the IRQ-setup. >
I am testing with this patch applied.
Here's an OOPS I got when plugging and unplugging my USB mouse multiple times.
Unable to handle kernel paging request at virtual address 01cc0035 c589352c *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[<c589352c>] Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010206 eax: 01cc0011 ebx: 5508ec83 ecx: c4d39ef4 edx: c4a22b20 esi: c4a22b20 edi: c4d39f18 ebp: 00000064 esp: c4d39eb4 ds: 0018 es: 0018 ss: 0018 Process khubd (pid: 104, stackpage=c4d39000) Stack: c4d39f08 c4a22b20 c4d39f18 00000064 00000000 00000286 c5825f46 c4a22b20 c582605a c4a22b20 c1fbd400 80000180 c1d39600 c4d39fdc c4d38000 c4d39f08 c4d39f08 00000000 00000000 c4d39f0c c4d39f0c 00000000 c4d39f20 c4d39f20 Call Trace: [<c5825f46>] [<c582605a>] [<c5826183>] [<c5826210>] [<c582855d>] [<c5829324>] [<c582fcc8>] [<c58310cc>] [<c5829515>] [<c0108f0f>] [<c5825000>] [<c5827dbc>] Code: 8b 40 24 89 44 24 14 83 78 10 00 75 0a b8 ed ff ff ff e9 4f
>>EIP; c589352c <[usb-uhci]uhci_submit_urb+1c/28c> <===== Trace; c5825f46 <[usbcore]usb_submit_urb+1e/30> Trace; c582605a <[usbcore]usb_start_wait_urb+aa/174> Trace; c5826183 <[usbcore]usb_internal_control_msg+5f/74> Trace; c5826210 <[usbcore]usb_control_msg+78/98> Trace; c582855d <[usbcore]usb_get_port_status+35/3c> Trace; c5829324 <[usbcore]usb_hub_events+b0/27c> Trace; c582fcc8 <[usbcore]usb_bandwidth_option+26e0/271c> Trace; c58310cc <[usbcore]khubd_wait+4/c> Trace; c5829515 <[usbcore]usb_hub_thread+25/4c> Trace; c0108f0f <kernel_thread+23/30> Trace; c5825000 <[nls_iso8859-1].data.end+15e5/1645> Trace; c5827dbc <[usbcore]init_module+0/0> Code; c589352c <[usb-uhci]uhci_submit_urb+1c/28c> 00000000 <_EIP>: Code; c589352c <[usb-uhci]uhci_submit_urb+1c/28c> <===== 0: 8b 40 24 mov 0x24(%eax),%eax <===== Code; c589352f <[usb-uhci]uhci_submit_urb+1f/28c> 3: 89 44 24 14 mov %eax,0x14(%esp,1) Code; c5893533 <[usb-uhci]uhci_submit_urb+23/28c> 7: 83 78 10 00 cmpl $0x0,0x10(%eax) Code; c5893537 <[usb-uhci]uhci_submit_urb+27/28c> b: 75 0a jne 17 <_EIP+0x17> c5893543 <[usb-uhci]uhci_submit_urb+33/28c> Code; c5893539 <[usb-uhci]uhci_submit_urb+29/28c> d: b8 ed ff ff ff mov $0xffffffed,%eax Code; c589353e <[usb-uhci]uhci_submit_urb+2e/28c> 12: e9 4f 00 00 00 jmp 66 <_EIP+0x66> c5893592 <[usb-uhci]uhci_submit_urb+82/28c>
I hope this helps,
Miles
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