The change that went into 2.5.69 for DAC960 seems to break it here.
(http://marc.theaimsgroup.com/?l=linux-kernel&m=105209603501299&w=2)
I backed out the last two changesets in DAC960.c, and the driver runs
again. Backing out only:
ChangeSet 1.1132 2003/05/15 09:01:05 akpm@digeo.com
[PATCH] DAC960 typedef cleanup patch
Did not resolve the panic, however backing out:
ChangeSet 1.1042.94.9 2003/04/30 07:31:56 akpm@digeo.com
[PATCH] DAC960 patch to entry points with a new fix
Seems to resolve the problem.
The problem was, (copied by hand, please let me know if I've omitted a
critical field.):
kernel NULL pointer deref - virt 00000019
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<c02774d3>] Not tainted
EFLAGS: 00010286
EIP is at DAC960_ioctl+0x33/0x190
Process swapper (pid: 1, ...)
Call Trace:
] blkdev_ioctl+0xa5/0x466
] ioctl_by_dev+0x41/0x50
] isofs_get_last_session+0xb4/0xe0
] set_blocksize+
] sb_set_blocksize+
] isofs_fill_super+
] sb_set_blocksize+
] get_sb_bdev+
] isofs_get_sb+
] isofs_fill_super+
] do_kern_mount+
] do_add_mount+
] do_mount+
] copy_mount_options+
] sys_mount+
] do_mount_root+
] mount_block_root+
] mount_root+
] prepare_namespace+
] init_workqueues+
] init+0x5f/0x200
] init+0x0/0x200
] kernel_thread_helper+0x5/0x10
Code: f6 43 19 08 0f 85 33 01 00 00 81 ff 01 03 00 00 74 12 ba ea
<0>kernel panic: Attempted to kill init!
This is on a SuSE 8.1, dual Athlon MP system, gcc 3.2, binutils
2.12.90.0.15-40. Please let me know if additional detail is helpful.
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