On Thu, Jan 26, 2006 at 01:04:37AM +0300, Al Boldi wrote:
> Ed L. Cashin wrote:
> > This patch is a bugfix that follows and depends on the
> > eight aoe driver patches sent January 19th.
>
> Will they also fix this?
> Or is this an md bug?
No, this patch fixes a bug that would cause an AoE device to be
totally unusable, so I think mdadm or mkraid would get an error that
the device was not available before it tried to make a new md device.
> It only happens with aoe.
It looks like in setting up the raid, sysfs_create_link probably has
this going off:
BUG_ON(!kobj || !kobj->dentry || !name);
> Also, why is aoe slower than nbd?
It wasn't when I tried it. The userland vblade is slow. Maybe that's
affecting your results?
> md: bind<etherd/e0.0>
> ------------[ cut here ]------------
> kernel BUG at fs/sysfs/symlink.c:87!
> invalid operand: 0000 [#1]
> CPU: 0
> EIP: 0060:[<c0188166>] Not tainted VLI
> EFLAGS: 00210246 (2.6.15)
> EIP is at sysfs_create_link+0x56/0x60
> eax: c66de390 ebx: 00000000 ecx: c03db91f edx: c7ee0040
> esi: c211bdf8 edi: c7ca0400 ebp: c66de360 esp: c211bdb4
> ds: 007b es: 007b ss: 0068
> Process mkraid (pid: 701, threadinfo=c211b000 task=c2300600)
> Stack: c7ca0424 c66de390 c211bdf8 c66de390 c02e5997 c66de390 c6b1b5ec
> c03db91f
> 00200296 c0207d56 c66de3a8 c66de360 c02e650f c66de390 09800000
> 5c4725a7
> 98831dc4 65687465 652f6472 00302e30 3feed8a3 891a1652 7f3dc64e
> ab9a9a72
> Call Trace:
> [<c02e5997>] bind_rdev_to_array+0x157/0x1a0
> [<c0207d56>] kobject_init+0x16/0x50
> [<c02e650f>] md_import_device+0xbf/0x1c0
> [<c02e80ad>] add_new_disk+0x22d/0x390
> [<c024403f>] get_random_bytes+0x2f/0x40
> [<c020be9e>] copy_from_user+0x4e/0x90
> [<c02e8ef8>] md_ioctl+0x2e8/0x710
> [<c01fdb46>] blkdev_driver_ioctl+0x56/0x70
> [<c01fdbf3>] blkdev_ioctl+0x93/0x1a0
> [<c015a83b>] block_ioctl+0x2b/0x30
> [<c01641ce>] do_ioctl+0x6e/0x80
> [<c016435a>] vfs_ioctl+0x6a/0x1e0
> [<c0164515>] sys_ioctl+0x45/0x70
> [<c0103009>] syscall_call+0x7/0xb
> Code: 4c 24 04 8b 44 24 18 89 1c 24 89 44 24 08 e8 f2 fe ff ff 8b 53 08 89 c1
> ff 42 70 0f 8e 0b 02 00 00 8b 5c 24 0c 89 c8 83 c4 10 c3 <0f> 0b 57 00 5e a6
> 3d c0 eb be 8b 44 24 04 8b 40 30 89 44 24 04
>
--
Ed L Cashin <[email protected]>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
