linux-kernel - VMware PVSCSI Warning 2.6.33

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Message-ID: <20100227223028.GA18397@puettmann.net>
Date:	Sat, 27 Feb 2010 23:30:28 +0100
From:	Ruben Puettmann <ruben@...ttmann.net>
To:	linux-kernel@...r.kernel.org
Subject: VMware PVSCSI Warning 2.6.33


        hy,

I'm testing the new VMware PVSCSI driver. I have build 2.6.33, config is
attached. I got this warning during boot:


Loading iSCSI transport class v2.0-870.
VMware PVSCSI driver - version 1.0.1.0-k
vmw_pvscsi 0000:03:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
vmw_pvscsi: using 64bit dma
vmw_pvscsi 0000:03:00.0: setting latency timer to 64
vmw_pvscsi 0000:03:00.0: irq 56 for MSI/MSI-X
vmw_pvscsi: using MSI-X
scsi0 : VMware PVSCSI storage adapter rev 1, req/cmp/msg rings: 8/8/0 pages, cmd_per_lun=64
vmw_pvscsi 0000:03:00.0: VMware PVSCSI rev 1 host #0
scsi 0:0:0:0: Direct-Access     VMware   Virtual disk     1.0  PQ: 0 ANSI: 2
------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0x5f/0x70()
Hardware name: VMware Virtual Platform
sysfs: cannot create duplicate filename '/bus/scsi/drivers/sd/0:0:0:0'
Modules linked in:
Pid: 1032, comm: scsi_scan_0 Not tainted 2.6.33 #1
Call Trace:
 [<c1022af3>] ? warn_slowpath_common+0x5d/0x70
 [<c1022b39>] ? warn_slowpath_fmt+0x26/0x2a
 [<c10b40e3>] ? sysfs_add_one+0x5f/0x70
 [<c10b47ed>] ? sysfs_do_create_link+0x97/0xee
 [<c10b4854>] ? sysfs_create_link+0x7/0xb
 [<c116cc92>] ? driver_sysfs_add+0x18/0x4a
 [<c116ce8d>] ? device_bind_driver+0x9/0x1b
 [<c116cec0>] ? device_attach+0x21/0x54
 [<c116c4c0>] ? bus_probe_device+0x15/0x29
 [<c116b5ae>] ? device_add+0x2d2/0x406
 [<c1181c39>] ? spi_device_match+0xa/0x4f
 [<c116e9bd>] ? attribute_container_device_trigger+0x7e/0x85
 [<c117fbca>] ? scsi_sysfs_add_sdev+0xa0/0x1ba
 [<c1177299>] ? __scsi_iterate_devices+0x47/0x5a
 [<c117ec00>] ? do_scan_async+0x6e/0xf8
 [<c117eb92>] ? do_scan_async+0x0/0xf8
 [<c1031daf>] ? kthread+0x5f/0x64
 [<c1031d50>] ? kthread+0x0/0x64
 [<c1002af6>] ? kernel_thread_helper+0x6/0x10
---[ end trace e72efb15e7d230f5 ]---
------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0x5f/0x70()
Hardware name: VMware Virtual Platform
sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:15.0/0000:03:00.0/host0/target0:0:0/0:0:0:0/driver'
Modules linked in:
Pid: 1, comm: swapper Tainted: G        W  2.6.33 #1
Call Trace:
 [<c1022af3>] ? warn_slowpath_common+0x5d/0x70
 [<c1022b39>] ? warn_slowpath_fmt+0x26/0x2a
 [<c10b40e3>] ? sysfs_add_one+0x5f/0x70
 [<c10b47ed>] ? sysfs_do_create_link+0x97/0xee
 [<c10b4854>] ? sysfs_create_link+0x7/0xb
 [<c116ccaa>] ? driver_sysfs_add+0x30/0x4a
 [<c116cd5f>] ? driver_probe_device+0x44/0xe6
 [<c116ce41>] ? __driver_attach+0x40/0x5b
 [<c116c808>] ? bus_for_each_dev+0x37/0x5f
 [<c116cc78>] ? driver_attach+0x11/0x13
 [<c116ce01>] ? __driver_attach+0x0/0x5b
 [<c116c2fb>] ? bus_add_driver+0x8c/0x1bf
 [<c1112748>] ? kset_find_obj+0x20/0x4a
 [<c116d049>] ? driver_register+0x77/0xd6
 [<c110b6ea>] ? register_blkdev+0xbd/0xcc
 [<c135135a>] ? init_sr+0x20/0x39
 [<c135133a>] ? init_sr+0x0/0x39
 [<c1001045>] ? do_one_initcall+0x44/0x120
 [<c1336294>] ? kernel_init+0x115/0x162
 [<c133617f>] ? kernel_init+0x0/0x162
 [<c1002af6>] ? kernel_thread_helper+0x6/0x10
---[ end trace e72efb15e7d230f6 ]---
really_probe: driver_sysfs_add(0:0:0:0) failed
sr: probe of 0:0:0:0 failed with error 0


            Ruben

-- 
Ruben Puettmann
ruben@...ttmann.net
http://www.puettmann.net

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