I've been rmmod'ing uhci_hcd on suspend and modprobe'ing it on resume
for a few days now on 2.6.1. I noticed this this BUG() when I suspended
today:
dmesg from suspend:
uhci_hcd 0000:00:07.2: remove, state 1
usb usb1: USB disconnect, address 1
usb 1-1: USB disconnect, address 2
pci_pool_destroy 0000:00:07.2/uhci_td, d8f63000 busy
uhci_hcd 0000:00:07.2: USB bus 1 deregistered
slab error in kmem_cache_destroy(): cache `uhci_urb_priv': Can't free
all objects
Call Trace:
[<c012e521>] __slab_error+0x21/0x28
[<c012ebfb>] kmem_cache_destroy+0x7b/0xf8
[<e0908fed>] uhci_hcd_cleanup+0x15/0x4c [uhci_hcd]
[<c01264a8>] sys_delete_module+0x164/0x188
[<c0136427>] sys_munmap+0x37/0x54
[<c0108933>] syscall_call+0x7/0xb
uhci: not all urb_priv's were freed
dmesg from resume:
drivers/usb/host/uhci-hcd.c: USB Universal Host Controller Interface
driver v2.1
kmem_cache_create: duplicate cache uhci_urb_priv
------------[ cut here ]------------
kernel BUG at mm/slab.c:1269!
invalid operand: 0000 [#1]
CPU: 0
EIP: 0060:[<c012ea2b>] Not tainted
EFLAGS: 00010202
EIP is at kmem_cache_create+0x3cb/0x428
eax: 00000031 ebx: dfe2e150 ecx: c0343988 edx: c02b6de4
esi: e0909ef6 edi: e0909ee8 ebp: df6adcd0 esp: d8481f68
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 25269, threadinfo=d8480000 task=c0042d40)
Stack: fffffff4 c02b9384 c02b93a0 d8480000 df6add40 d8481f8c df6add0c
c0000000 00000004 0000001c e089108e e0909ee8 0000003c 00000020
00000000 00000000 00000000 e090b520 c0127a91 40016000 bffffbf8
bffffbf8 c0108933 40016000
Call Trace:
[<e089108e>] uhci_hcd_init+0x8e/0x120 [uhci_hcd]
[<c0127a91>] sys_init_module+0xe5/0x1bc
[<c0108933>] syscall_call+0x7/0xb
Code: 0f 0b f5 04 ee fb 26 c0 8b 1b 8b 03 0f 18 00 90 81 fb 9c 39
--
Dave Hansen
[EMAIL PROTECTED]
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