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SubjectRe: PS3 Storage Driver O_DIRECT issue
Geert Uytterhoeven wrote:
> On Fri, 13 Jul 2007, Olaf Hering wrote:
>> This driver (or the generic PS3 code) has appearently problems with
>> glibc aborts parted because the malloc metadata get corrupted. While it
>> is reproducible, the place where it crashes changes with every version
>> of the debug attempt.
>> I dont have a handle right now, all I know is that the metadata after a
>> malloc area get overwritten with zeros.
>> Can you have a look at this?
>> parted /dev/ps3da
>> print (a few times)
> I can't seem to reproduce this with parted 1.7.1-5.1 (from Debian
> etch/lenny/sid) and kernel 2.6.22-g77320894.


I found this happens on Fedora 7:

[root@ps3-nfs ~]# uname -a
Linux ps3-nfs 2.6.22-ps3-linux-dev-g4d898766-dirty #1 SMP Wed Jul 11 13:29:46 PDT 2007 ppc64 ppc64 ppc64 GNU/Linux
[root@ps3-nfs ~]# parted --version
parted (GNU parted) 1.8.6

Here is the error message from parted:

Command History:

Error: SEGV_MAPERR (Address not mapped to object)
Backtrace has 20 calls on stack:
20: /usr/lib/ [0xfb7ea50]
19: parted [0x1000c6dc]
18: [0x100350]
17: [(nil)]
16: /lib/ [0xfdcfe64]
15: /lib/ [0xfdd0b34]
14: /lib/ [0xfdd1e1c]
13: /lib/ [0xfdd207c]
12: /usr/lib/ [0xfb8f42c]
11: /usr/lib/ [0xfb7f5f4]
10: /usr/lib/ [0xfb89a5c]
9: /usr/lib/ [0xfba739c]
8: /usr/lib/ [0xfb80d04]
7: /usr/lib/ [0xfb8134c]
6: /usr/lib/ [0xfbbcc38]
5: /usr/lib/ [0xfbbcfb4]
4: /usr/lib/ [0xfb88bf0]
3: parted [0x10006e00]
2: parted(command_run+0x1c) [0x10004d8c]
1: parted(interactive_mode+0x134) [0x1000e4b4]

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