Re: BUG_ON at mballoc.c:3752

[Eric Sandeen <sandeen@redhat.com>]

Eric Sesterhenn wrote:
>> Eric ,
>> can you run the test with below patch and see if this makes any
>> difference ?. I know we are not fixing any bugs in the below patch.
> 
> ok, i checked out the old version again and applied both patches,
> the BUG is gone (no surprise)
> In the case where it would have hit the BUG i now get the following message:
> 
> [  740.400288] Aborting journal on device loop0.

No message before that about *why* it aborted?

> [  740.405032] ext4_abort called.
> [  740.405097] EXT4-fs error (device loop0): ext4_journal_start_sb: Detected aborted journal
> [  740.405178] Remounting filesystem read-only
> [  740.410974] EXT4-fs error (device loop0) in ext4_ordered_write_end: IO failure
> [  740.414300] EXT4-fs error (device loop0) in ext4_reserve_inode_write: Journal has aborted
> [  740.414422] pa cba56990: logic 16, phys. 1953, len 16
> [  740.414447] EXT4-fs error (device loop0): ext4_mb_release_inode_pa: free 4, pa_free 3
> [  740.414548] EXT4-fs error (device loop0) in ext4_mb_free_blocks: Journal has aborted
> 
> 
> Greetings, Eric