Stefan Richter wrote:
Dave Jones wrote:
A nasty 2.6.15 report from one of our Fedora users.
Dave
> then when it got to map my USB drive: > SCSI device sdb:
321672960 512-byte hdwr sectors (164697 MB) > slab error in
cache_free_debugcheck(): cache `sgpool-8': double free, or > memory
outside object was overwritten > [<c0153593>]
cache_free_debugcheck+0x1ab/0x22f [<c014d3c2>] >
mempool_free+0x3a/0x73 > [<c01540e2>] kmem_cache_free+0x2a/0x69
[<c014d3c2>] > mempool_free+0x3a/0x73 > [<f8862c8b>]
scsi_io_completion+0x207/0x4d2 [scsi_mod] [<f885dcad>] >
scsi_finish_command+0x82/0xd0 [scsi_mod] > [<f885db8e>]
scsi_softirq+0xc0/0x137 [scsi_mod] [<c012a152>] >
__do_softirq+0x72/0xdc > [<c01063d3>] do_softirq+0x4b/0x4f >
=======================
[...]
This looks very similar to this report about an SBP-2 HDD under
2.6.14-rc4: http://marc.theaimsgroup.com/?t=112931959700002
As discussed with Andrew Morton yesterday, this seems to be fixed on my
side (latest kernel)
extract from dmesg:
ieee1394: Node added: ID:BUS[0-00:1023] GUID[000bc20300011c51]
ieee1394: Host added: ID:BUS[0-01:1023] GUID[0000d10080967536]
scsi2 : SBP-2 IEEE-1394
ieee1394: sbp2: Logged into SBP-2 device
ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048]
Vendor: Initio Model: ST3400832A Rev: 4.07
Type: Direct-Access ANSI SCSI revision: 00
SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 13 00 00
sdc: got wrong page
sdc: assuming drive cache: write through
SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 13 00 00
sdc: got wrong page
sdc: assuming drive cache: write through
sdc: sdc1
sd 2:0:0:0: Attached scsi disk sdc
"F. Poncin" <[EMAIL PROTECTED]> wrote:
Hello,
I found this in several recent boot logs.
Summary: slab error in cache_free_debugcheck(): cache `sgpool-8':
double free, or memory outside object was overwritten
Kernel version: 2.6.14-rc4-g9149ccfa
Steps to reproduce: on boot
Hardware: Dell 8300 + External USB disk enclosures
I'm not subscribed to the list. Please Cc:
Additional info / test on request.
extract from dmesg:
scsi2 : SCSI emulation for IEEE-1394 SBP-2 Devices
ieee1394: sbp2: Logged into SBP-2 device
ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048]
Vendor: Initio Model: ST3400832A Rev: 4.07
Type: Direct-Access ANSI SCSI revision: 00
SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB)
slab error in cache_free_debugcheck(): cache `sgpool-8': double free,
or memory outside object was overwritten
[<c014a43b>] cache_free_debugcheck+0x15e/0x215
[<c0144c73>] mempool_free+0x6c/0x73
[<c014ae71>] kmem_cache_free+0x25/0x59
[<c0144c73>] mempool_free+0x6c/0x73
[<f8891d92>] scsi_io_completion+0x1fd/0x4ac [scsi_mod]
[<f8826d3f>] sd_rw_intr+0x155/0x30e [sd_mod]
[<c0148e2b>] poison_obj+0x1c/0x38
[<c032ca6e>] _spin_lock+0x1c/0x75
[<f888cc33>] scsi_finish_command+0x82/0xb5 [scsi_mod]
[<c032ca6e>] _spin_lock+0x1c/0x75
[<f888cb0a>] scsi_softirq+0xc0/0x141 [scsi_mod]
[<c01252e1>] tasklet_action+0x59/0xbe
[<c0124f79>] __do_softirq+0x69/0xd5
[<c0104ceb>] do_softirq+0x57/0x5b
=======================
[<c01250c0>] irq_exit+0x42/0x44
[<c0104bbc>] do_IRQ+0x5c/0x8e
[<c032b277>] schedule+0x627/0xcd8
[<c01036a6>] common_interrupt+0x1a/0x20
[<c0100e91>] mwait_idle+0x25/0x4a
[<c023d243>] acpi_processor_idle+0x0/0x29e
[<c023d344>] acpi_processor_idle+0x101/0x29e
[<c023d243>] acpi_processor_idle+0x0/0x29e
[<c0100ceb>] cpu_idle+0x45/0x7d
[<c03f088a>] start_kernel+0x18c/0x1cb
[<c03f030b>] unknown_bootoption+0x0/0x1b0
c233b7a8: redzone 1: 0x170fc2a5, redzone 2: 0xc0144b47.
sdc: asking for cache data failed
sdc: assuming drive cache: write through
SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB)
slab error in cache_free_debugcheck(): cache `sgpool-8': double free,
or memory outside object was overwritten
[<c014a43b>] cache_free_debugcheck+0x15e/0x215
[<c0144c73>] mempool_free+0x6c/0x73
[<c014ae71>] kmem_cache_free+0x25/0x59
[<c0144c73>] mempool_free+0x6c/0x73
[<f8891d92>] scsi_io_completion+0x1fd/0x4ac [scsi_mod]
[<f8826d3f>] sd_rw_intr+0x155/0x30e [sd_mod]
[<c0148e2b>] poison_obj+0x1c/0x38
[<c032ca6e>] _spin_lock+0x1c/0x75
[<f888cc33>] scsi_finish_command+0x82/0xb5 [scsi_mod]
[<c032ca6e>] _spin_lock+0x1c/0x75
[<f888cb0a>] scsi_softirq+0xc0/0x141 [scsi_mod]
[<c01252e1>] tasklet_action+0x59/0xbe
[<c0124f79>] __do_softirq+0x69/0xd5
[<c0104ceb>] do_softirq+0x57/0x5b
=======================
[<c01250c0>] irq_exit+0x42/0x44
[<c0104bbc>] do_IRQ+0x5c/0x8e
[<c01036a6>] common_interrupt+0x1a/0x20
[<c0100e91>] mwait_idle+0x25/0x4a
[<c023d243>] acpi_processor_idle+0x0/0x29e
[<c023d344>] acpi_processor_idle+0x101/0x29e
[<c023d243>] acpi_processor_idle+0x0/0x29e
[<c0100ceb>] cpu_idle+0x45/0x7d
[<c03f088a>] start_kernel+0x18c/0x1cb
[<c03f030b>] unknown_bootoption+0x0/0x1b0
c233b7a8: redzone 1: 0x170fc2a5, redzone 2: 0xc0144b47.
sdc: asking for cache data failed
sdc: assuming drive cache: write through
sdc:<6>FDC 0 is a post-1991 82077
--
Frédéric Poncin
-------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc. Do you grep through log files
for problems? Stop! Download the new AJAX search engine that makes
searching your log files as easy as surfing the web. DOWNLOAD SPLUNK!
http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click
_______________________________________________
linux-usb-devel@lists.sourceforge.net
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
