• Damian Wrobel's avatar
    [PATCH] USB: SN9C10x driver - bad page state fix · 0b67ba63
    Damian Wrobel authored
    This patch solves the following problem I've already discovered on the
    latest 2.6.15-rc1-git1 kernel:
    
    Nov 13 07:37:28 wrobel kernel: Bad page state at free_hot_cold_page (in process 'motion', page c164e020)
    Nov 13 07:37:28 wrobel kernel: flags:0x40000400 mapping:00000000 mapcount:0 count:0
    Nov 13 07:37:28 wrobel kernel: Backtrace:
    Nov 13 07:37:28 wrobel kernel:  [<c0146d86>] bad_page+0x85/0xbe
    Nov 13 07:37:28 wrobel kernel:  [<c0147629>] free_hot_cold_page+0x54/0x129
    Nov 13 07:37:28 wrobel kernel:  [<c01598c6>] __vunmap+0xa9/0xfe
    Nov 13 07:37:28 wrobel kernel:  [<c0154114>] vmalloc_to_page+0x34/0x55
    Nov 13 07:37:28 wrobel kernel:  [<c0159942>] vfree+0x27/0x35
    Nov 13 07:37:28 wrobel kernel:  [<f8a20292>]  sn9c102_release_buffers+0x30/0x3f [sn9c102]
    Nov 13 07:37:28 wrobel kernel:  [<f8a231c2>] sn9c102_release+0x37/0xeb [sn9c102]
    Nov 13 07:37:28 wrobel kernel:  [<c0163e74>] __fput+0xa9/0x1aa
    Nov 13 07:37:28 wrobel kernel:  [<c01624f7>] filp_close+0x49/0x6d
    Nov 13 07:37:30 wrobel kernel:  [<c016258f>] sys_close+0x74/0x95
    Nov 13 07:37:30 wrobel kernel:  [<c0102ef9>] syscall_call+0x7/0xb
    Nov 13 07:37:31 wrobel kernel: Trying to fix it up, but a reboot is needed
    Signed-off-by: default avatarDamian Wrobel <dwrobel@ertel.com.pl>
    Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
    Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
    0b67ba63
sn9c102_core.c 64.8 KB