Re: 2.5.70-mm1 bootcrash, possibly RAID-1

[Zwane Mwaikambo (zwane@linuxpower.ca)]

On Thu, 29 May 2003, Neil Brown wrote:

> I think this might fix the bug, but I haven't looked very closely
> yet.  I will expore it more deeply when I get time.
> 
> NeilBrown

No go;

raid0:   comparing sdd1(4193152) with sdd1(4193152)
raid0:   END
raid0:   ==> UNIQUE
raid0: 1 zones
raid0: looking at sdc1
raid0:   comparing sdc1(4193152) with sdd1(4193152)
raid0:   EQUAL
raid0: FINAL 1 zones
raid0: multiple devices for 1 - aborting!
slab error in cache_free_debugcheck(): cache `size-32': double free, or memory before object was overwritten
Call Trace:
 [<c0148da3>] kfree+0xf3/0x2e0
 [<c0366a64>] raid0_run+0x234/0x250
 [<c0366a64>] raid0_run+0x234/0x250
 [<c012529a>] printk+0x1ca/0x280
 [<c0371fa4>] do_md_run+0x2f4/0x560
 [<c0371fbb>] do_md_run+0x30b/0x560
 [<c012529a>] printk+0x1ca/0x280
 [<c03724f2>] autorun_array+0x82/0xa0
 [<c012529a>] printk+0x1ca/0x280
 [<c03726ff>] autorun_devices+0x1ef/0x230
 [<c0375569>] autostart_arrays+0x29/0xba
 [<c036f8f6>] mddev_put+0x16/0xb0
 [<c0250728>] capable+0x18/0x40
 [<c03737de>] md_ioctl+0x56e/0x5a0
 [<c0169759>] blkdev_open+0x29/0x30
 [<c015f0dc>] dentry_open+0x14c/0x230
 [<c0148c2a>] kmem_cache_free+0x1ca/0x250
 [<c02a2f0b>] blkdev_ioctl+0x8b/0x3b1
 [<c01747d6>] sys_ioctl+0x156/0x310
 [<c056f6b7>] md_run_setup+0x57/0x80
 [<c056ef28>] prepare_namespace+0x8/0xa0
 [<c01050fb>] init+0x5b/0x210
 [<c01050a0>] init+0x0/0x210
 [<c01070e5>] kernel_thread_helper+0x5/0x10


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