Re: 2.6.7-mm7

[Andrew Morton]

Marcin Gibu__a <mg@xxxxxxxx> wrote:
>
>  On Friday 09 July 2004 08:50, Andrew Morton wrote:
>  > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.7/2.6.7-m
>  >m7/
> 
>  Hi, 
>  I've encountered a process locked up in D state while using this kernel. The 
>  process is mpg123 playing mp3 from ntfs partition. I'm using cfq elevator.
> 
>  Alt-SysRq-T reveals that:
> 
>  mpg123        D 00000D33     0 18012  18592                     (NOTLB)
>  d8c11e28 00200086 37c2b380 00000d33 00000000 37c2b380 00000d33 c8761190
>         c8761338 c1253760 c14011e8 00000275 d8c11e30 c02e9c27 00000275 c0127522
>         c1253760 00000000 00000001 c8761190 c01272e1 d8c11e6c d8c11e6c c153d480
>  Call Trace:
>   [<c02e9c27>] io_schedule+0xe/0x16
>   [<c0127522>] __lock_page+0xa7/0xba
>   [<c01272e1>] page_wake_function+0x0/0x36
>   [<c01272e1>] page_wake_function+0x0/0x36
>   [<c0127966>] do_generic_mapping_read+0x15d/0x2f4
>   [<c0127d52>] __generic_file_aio_read+0x198/0x1b6
>   [<c0127afd>] file_read_actor+0x0/0xbd
>   [<c0127e1f>] generic_file_read+0x68/0x7c
>   [<c0260014>] snd_pcm_oss_write1+0x131/0x165
>   [<c013e27c>] vfs_read+0x9d/0xc9
>   [<c013e436>] sys_read+0x2c/0x42
>   [<c01039e1>] sysenter_past_esp+0x52/0x71

Is it repeatable at all?  If so, does using a different I/O scheduler fix
it up?
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