linux-kernel - Re: soft lockup while copying data from a FAT usb stick and consequent FAT table corruption

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Tue, 29 Jul 2008 22:12:54 +0200
From:	Riccardo Magliocchetti <riccardo.magliocchetti@...il.com>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
CC:	linux-kernel@...r.kernel.org
Subject: Re: soft lockup while copying data from a FAT usb stick and consequent
 FAT table corruption

OGAWA san,

OGAWA Hirofumi wrote:
> Riccardo Magliocchetti <riccardo.magliocchetti@...il.com> writes:
> 
>> Jul 24 19:03:10 eurasia kernel: [25075.616150] sd 0:0:0:0: [sda] Assuming drive cache: write through
>> Jul 24 19:03:10 eurasia kernel: [25075.616153]  sda: sda1
>> Jul 24 19:03:10 eurasia kernel: [25075.617510] sd 0:0:0:0: [sda] Attached SCSI removable disk
>> Jul 24 19:03:17 eurasia kernel: [25083.820927] usb 1-5: reset high speed USB device using ehci_hcd and address 2
>> Jul 24 19:03:19 eurasia kernel: [25085.483682] usb 1-5: reset high speed USB device using ehci_hcd and address 2
>> Jul 24 19:03:19 eurasia kernel: [25085.624466] sd 0:0:0:0: [sda] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK,SUGGEST_OK
>> Jul 24 19:03:19 eurasia kernel: [25085.624466] end_request: I/O error, dev sda, sector 37
> 
> It seems I/O error of device. Do this device work if without FAT?
> E.g. read and write to device (/dev/xxx), etc.

Looks like it's the usb port, now it doesn't even get to the point to load usb-storage. If i plug it to another port 
attached to the same controller it does a couple of without errors:

dd bs=4096 count=400000 if=/dev/sda1 of=/dev/null

I can mount the filesystem but i get the same (infinite?) "FAT Directory bread(block n) failed" loop. So i suppose the 
next thing to do is to format the pen again :)

thank you,
Riccardo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/