$ uname -r
2.6.16-std26-up-alt12

В логах постоянно повторяются сообщения следующего содержания:
На ядре 2.6.17-alt07 от Lakostis всё в порядке.
 
....
Badness in dma_map_single at include/asm/dma-mapping.h:26
Oct 23 03:54:23 siver kernel:  [pg0+948525849/1070244864]
init_rxtx_rings+0xc7/0x18a [winbond_840]
Oct 23 03:54:23 siver kernel:  [<f8be9b19>] init_rxtx_rings+0xc7/0x18a [winbond_840]
Oct 23 03:54:23 siver kernel:  [pg0+948526937/1070244864]
alloc_ringdesc+0x56/0x5d [winbond_840]
Oct 23 03:54:23 siver kernel:  [<f8be9f59>] alloc_ringdesc+0x56/0x5d [winbond_840]
Oct 23 03:54:23 siver kernel:  [pg0+948524718/1070244864] netdev_open+0x74/0x18d
[winbond_840]
Oct 23 03:54:23 siver kernel:  [<f8be96ae>] netdev_open+0x74/0x18d [winbond_840]
Oct 23 03:54:23 siver kernel:  [dev_open+45/101] dev_open+0x2d/0x65
Oct 23 03:54:23 siver kernel:  [<c02057fd>] dev_open+0x2d/0x65
Oct 23 03:54:23 siver kernel:  [dev_change_flags+69/230] dev_change_flags+0x45/0xe6
Oct 23 03:54:23 siver kernel:  [<c0206906>] dev_change_flags+0x45/0xe6
Oct 23 03:54:23 siver kernel:  [devinet_ioctl+609/1220] devinet_ioctl+0x261/0x4c4
Oct 23 03:54:23 siver kernel:  [<c023c2cc>] devinet_ioctl+0x261/0x4c4
Oct 23 03:54:23 siver kernel:  [inet_ioctl+112/141] inet_ioctl+0x70/0x8d
Oct 23 03:54:23 siver kernel:  [<c023dd1c>] inet_ioctl+0x70/0x8d
Oct 23 03:54:23 siver kernel:  [sock_ioctl+441/468] sock_ioctl+0x1b9/0x1d4
Oct 23 03:54:23 siver kernel:  [<c01fe5ff>] sock_ioctl+0x1b9/0x1d4
Oct 23 03:54:23 siver kernel:  [sock_ioctl+0/468] sock_ioctl+0x0/0x1d4
Oct 23 03:54:23 siver kernel:  [<c01fe446>] sock_ioctl+0x0/0x1d4
Oct 23 03:54:23 siver kernel:  [do_ioctl+28/66] do_ioctl+0x1c/0x42
Oct 23 03:54:23 siver kernel:  [<c0156f70>] do_ioctl+0x1c/0x42
Oct 23 03:54:23 siver kernel:  [vfs_ioctl+376/390] vfs_ioctl+0x178/0x186
Oct 23 03:54:23 siver kernel:  [<c01571b4>] vfs_ioctl+0x178/0x186
Oct 23 03:54:23 siver kernel:  [sys_ioctl+70/94] sys_ioctl+0x46/0x5e
Oct 23 03:54:23 siver kernel:  [<c0157208>] sys_ioctl+0x46/0x5e
Oct 23 03:54:23 siver kernel:  [syscall_call+7/11] syscall_call+0x7/0xb
Oct 23 03:54:23 siver kernel:  [<c0102969>] syscall_call+0x7/0xb
...