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Hi, While doing some stress testing with presto module from the intermezzo project layered over ext3, I got the following assertion failure: Jan 17 23:09:55 planck kernel: Assertion failure in jfs_prelock_buffer_check() at journal.c line 410: "bh->b_jlist == 0 || bh->b_jlist == BJ_LogCtl || bh->b_jlist == BJ_IO || bh->b_jlist == BJ_Data" Jan 17 23:09:55 planck kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Jan 17 23:09:55 planck kernel: current->tss.cr3 = 00101000, %cr3 = 00101000 Jan 17 23:09:55 planck kernel: *pde = 00000000 Jan...

...-j option to create a hidden journal file. Everything works great ! But. When I plug the second disk in a start a reconstruction, sooner or later within seconds I get an 'ASSERT' failure at line 411 in journal.c. ! It's this line.... J_ASSERT(bh->b_jlist == 0 || bh->b_jlist == BJ_LogCtl || bh->b_jlist == BJ_IO || bh->b_jlist == BJ_Data); Anyone run into this using software raid ? Alan.

...Data 1 /* Normal data: flush before commit */ +#define BJ_Metadata 2 /* Normal journaled metadata */ +#define BJ_Forget 3 /* Buffer superceded by this transaction */ +#define BJ_IO 4 /* Buffer is for temporary IO use */ +#define BJ_Shadow 5 /* Buffer contents being shadowed to the log */ +#define BJ_LogCtl 6 /* Buffer contains log descriptors */ +#define BJ_Reserved 7 /* Buffer is reserved for access by journal */ +#define BJ_Types 8 /* * Try to keep the most commonly used fields in single cache lines (16 These two hunks obviously conflict. A quick inspection reveals that the BH* constants ar...

...data: flush before commit */ +#define BJ_Metadata 2 /* Normal journaled metadata */ +#define BJ_Forget 3 /* Buffer superceded by this transaction */ +#define BJ_IO 4 /* Buffer is for temporary IO use */ +#define BJ_Shadow 5 /* Buffer contents being shadowed to the log */ +#define BJ_LogCtl 6 /* Buffer contains log descriptors */ +#define BJ_Reserved 7 /* Buffer is reserved for access by journal */ ... -- giulioo@pobox.com

Red Hat 2.2.19-6.2.12 + 0.0.7a + https://listman.redhat.com/pipermail/ext3-users/2001-November/002258.html (not tuned in /proc yet) + journal 4MB on each fs + 6 ext3 fs on raid1 (hda+hdc) + 1 ext3 fs on another disk not on raid1 (hdd) While untarring (tar zxf) a file that was on a ext3/raid1 onto hdd I got: ksymoops 2.3.4 on i686 2.2.19-6.2.12.g1. Options used -V (default) -k

The following 6 patches cleanup the jbd code and kill about 200 lines. First of 4 patches can apply to 2.6.13-git8 and 2.6.13-mm2. The rest of them can apply to 2.6.13-mm2. fs/jbd/checkpoint.c | 179 +++++++++++-------------------------------- fs/jbd/commit.c | 101 ++++++++++-------------- fs/jbd/journal.c | 11 +- fs/jbd/revoke.c | 158