Hi,
I have been testing my wireless zd1211rw driver with kismet, but have noticed
my logs filling up
with these messages instead:
BUG: sleeping function called from invalid context at kernel/mutex.c:86
in_atomic():0, irqs_disabled():1
[<c029688e>] mutex_lock+0x12/0x1a
[<c02496ae>] netdev_run_todo+0x10/0x1f1
[<c024a148>] dev_ioctl+0x465/0x497
[<c01626ff>] d_rehash+0x47/0x78
[<c0240379>] sock_attach_fd+0x6c/0xcb
[<c023fc9d>] sock_ioctl+0x0/0x1b3
[<c015e508>] do_ioctl+0x1c/0x5d
[<c015e78a>] vfs_ioctl+0x241/0x254
[<c015e7c9>] sys_ioctl+0x2c/0x43
[<c0102c3f>] syscall_call+0x7/0xb
According to the comment in linux/net/core/dev.c
* 2) Since we run with the RTNL semaphore not held, we can sleep
* safely in order to wait for the netdev refcnt to drop to zero.
Well, apparently we can't sleep safely after all because IRQs have been
disabled.
Cheers,
Chris
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