Re: [GIT PULL] bzip2/lzma kernel compression

From: Yinghai Lu
Date: Fri Jan 09 2009 - 16:43:20 EST


On Fri, Jan 9, 2009 at 12:52 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> On Fri, Jan 9, 2009 at 10:45 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> Hi Linus,
>>
>> This tree contains the bzip2 and LZMA kernel compression work that
>> Alain Knaff has done. Sending this as a separate pull request in case
>> you think that it is too late or immature for this cycle.
>>
>> The good part is that it is a highly "brittle" feature -- if it fails,
>> it will fail noisily and obviously.
>>
>> I have not included the ARM parts that Alain developed; I will leave
>> those to be fed through rmk.
>>
>> One of the main attractions of this patchset is that it uses the newer
>> lib/zlib_inflate code even for the kernel decompressor. Once all
>> architectures that use the older lib/inflate.c have been converted
>> over, we can remove that code entirely.
>
> it seems still have some problem
> mydisk13_x86_64.lzma is by lzma -9
>
> [ 47.404316] RAMDISK: lzma image found at block 0
> [ 51.676838] RAMDISK: incomplete write (-28 != 130)
> [ 51.894794] calling 5_generic_delete_inode_async+0x0/0xa9 @ 2316
> [ 51.900895] initcall 5_generic_delete_inode_async+0x0/0xa9 returned
> 0 after 3 usecs
> [ 51.901117] kjournald starting. Commit interval 5 seconds
> [ 51.901130] EXT3 FS on ram0, internal journal
> [ 51.901138] EXT3-fs: mounted filesystem with ordered data mode.
> [ 51.901151] VFS: Mounted root (ext3 filesystem) on device 1:0.
> [ 51.901168] async_waiting @ 1
> [ 51.904191] calling 6_generic_delete_inode_async+0x0/0xa9 @ 2317
> [ 51.907123] initcall 6_generic_delete_inode_async+0x0/0xa9 returned
> 0 after 2861 usecs
> [ 51.947093] async_continuing @ 1 after 44846 usec
> [ 51.951839] Freeing unused kernel memory: 448k freed
> [ 51.957245] init_special_inode: bogus i_mode (4467)
>

the .lzma is corrupted. it is strange. i was compiling kernel when lzma it...

recreate that .lzma the kernel works well.

YH
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