[Kernel-packages] [Bug 1486152] Re: Kernel WARN @ block/genhd.c:352 with ltp block dev tests

2017-07-21 Thread Launchpad Bug Tracker 
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1486152

Title:
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests

Status in linux package in Ubuntu:
  Expired

Bug description:
  == Comment: #0 - SACHIN P. SANT  - 2015-08-07 08:28:13 ==
  ---Problem Description---
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests
   
  Contact Information = Sachin Sant / ss...@in.ibm.com 
   
  ---uname output---
  3.19.0-26-generic
   
  Machine Type = POWER8 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   1) Install Ubuntu 14.04.03 running bare-metal
  2) Install LTP and compile the code
  3) run the ltp_block_dev tests 

  The krenel Warning is displayed on the  console during the run
   
  Stack trace output:
   [  175.365323] ltp_block_dev: Test Case Result: PASS
  [  175.365547] ltp_block_dev: Test Case 6: register_blkdev() with name=""
  [  175.365550] ltp_block_dev: Test Case Result: PASS
  [  175.365615] ltp_block_dev: Test Case 7: unregister_blkdev() with major=0
  [  175.365628] [ cut here ]
  [  175.365630] WARNING: at 
/build/linux-lts-vivid-GlOzk5/linux-lts-vivid-3.19.0/block/genhd.c:352
  [  175.365632] Modules linked in: ltp_block_dev(OE) joydev mac_hid 
hid_generic ofpart ipmi_powernv cmdlinepart ipmi_msghandler powernv_flash mtd 
opal_prd powernv_rng at24 usbhid hid ast uio_pdrv_genirq syscopyarea uio 
sysfillrect sysimgblt nouveau ttm drm_kms_helper drm i2c_algo_bit mlx4_en vxlan 
ip6_udp_tunnel udp_tunnel uas usb_storage bnx2x mlx4_core lpfc ahci libahci 
scsi_transport_fc mdio libcrc32c [last unloaded: ltp_block_dev]
  [  175.365663] CPU: 133 PID: 4832 Comm: block_dev Tainted: GW  OE  
3.19.0-26-generic #27~14.04.1-Ubuntu
  [  175.365666] task: c00fcebc9140 ti: c00fcec1c000 task.ti: 
c00fcec1c000
  [  175.365669] NIP: c04eb5cc LR: c04eb574 CTR: 
c04eb520
  [  175.365671] REGS: c00fcec1f940 TRAP: 0700   Tainted: GW  OE   
(3.19.0-26-generic)
  [  175.365673] MSR: 90029033   CR: 28000482  
XER: 2000
  [  175.365681] CFAR: c04eb59c SOFTE: 1 
  [  175.365681] GPR00: c04eb574 c00fcec1fbc0 c144cc00 
 
  [  175.365681] GPR04: d000190b12c8 000d 636f6c62 
0001 
  [  175.365681] GPR08: c174db10  c174db10 
d000190b10d0 
  [  175.365681] GPR12: c04eb520 c7baad00  
 
  [  175.365681] GPR16:    
 
  [  175.365681] GPR20:  1000a8a8 10020010 
1000a8f0 
  [  175.365681] GPR24: 1000a918 1000a9b8 00fb 
0001 
  [  175.365681] GPR28: d000190b12c8 c1379468  
 
  [  175.365712] NIP [c04eb5cc] unregister_blkdev+0xac/0x160
  [  175.365714] LR [c04eb574] unregister_blkdev+0x54/0x160
  [  175.365716] Call Trace:
  [  175.365719] [c00fcec1fbc0] [c04eb574] 
unregister_blkdev+0x54/0x160 (unreliable)
  [  175.365723] [c00fcec1fc00] [d000190b063c] sys_tcase+0x41c/0xb30 
[ltp_block_dev]
  [  175.365728] [c00fcec1fcc0] [c06431f8] dev_attr_store+0x68/0xa0
  [  175.365732] [c00fcec1fd00] [c035ba30] sysfs_kf_write+0x80/0xb0
  [  175.365735] [c00fcec1fd40] [c035a97c] 
kernfs_fop_write+0x18c/0x1f0
  [  175.365739] [c00fcec1fd90] [c02b488c] vfs_write+0xdc/0x260
  [  175.365743] [c00fcec1fde0] [c02b573c] SyS_write+0x6c/0x110
  [  175.365747] [c00fcec1fe30] [c0009258] system_call+0x38/0xd0
  [  175.365748] Instruction dump:
  [  175.365750] 419e0030 80e90008 7f87f000 409e0018 48c0 815f0008 7f8af000 
419e0058 
  [  175.365756] 7fe9fb78 ebe9 2fbf 409effe8 <0fe0> 7fa3eb78 
3be0 48528871 
  [  175.365761] ---[ end trace 02836eb1f955a5cd ]---

   
  Oops output:
   no
   
  System Dump Info:
The system is not configured to capture a system dump.

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[Kernel-packages] [Bug 1486152] Re: Kernel WARN @ block/genhd.c:352 with ltp block dev tests

2017-03-21 Thread Michael Hohnbaum 
** Changed in: linux (Ubuntu)
   Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1486152

Title:
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  == Comment: #0 - SACHIN P. SANT  - 2015-08-07 08:28:13 ==
  ---Problem Description---
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests
   
  Contact Information = Sachin Sant / ss...@in.ibm.com 
   
  ---uname output---
  3.19.0-26-generic
   
  Machine Type = POWER8 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   1) Install Ubuntu 14.04.03 running bare-metal
  2) Install LTP and compile the code
  3) run the ltp_block_dev tests 

  The krenel Warning is displayed on the  console during the run
   
  Stack trace output:
   [  175.365323] ltp_block_dev: Test Case Result: PASS
  [  175.365547] ltp_block_dev: Test Case 6: register_blkdev() with name=""
  [  175.365550] ltp_block_dev: Test Case Result: PASS
  [  175.365615] ltp_block_dev: Test Case 7: unregister_blkdev() with major=0
  [  175.365628] [ cut here ]
  [  175.365630] WARNING: at 
/build/linux-lts-vivid-GlOzk5/linux-lts-vivid-3.19.0/block/genhd.c:352
  [  175.365632] Modules linked in: ltp_block_dev(OE) joydev mac_hid 
hid_generic ofpart ipmi_powernv cmdlinepart ipmi_msghandler powernv_flash mtd 
opal_prd powernv_rng at24 usbhid hid ast uio_pdrv_genirq syscopyarea uio 
sysfillrect sysimgblt nouveau ttm drm_kms_helper drm i2c_algo_bit mlx4_en vxlan 
ip6_udp_tunnel udp_tunnel uas usb_storage bnx2x mlx4_core lpfc ahci libahci 
scsi_transport_fc mdio libcrc32c [last unloaded: ltp_block_dev]
  [  175.365663] CPU: 133 PID: 4832 Comm: block_dev Tainted: GW  OE  
3.19.0-26-generic #27~14.04.1-Ubuntu
  [  175.365666] task: c00fcebc9140 ti: c00fcec1c000 task.ti: 
c00fcec1c000
  [  175.365669] NIP: c04eb5cc LR: c04eb574 CTR: 
c04eb520
  [  175.365671] REGS: c00fcec1f940 TRAP: 0700   Tainted: GW  OE   
(3.19.0-26-generic)
  [  175.365673] MSR: 90029033   CR: 28000482  
XER: 2000
  [  175.365681] CFAR: c04eb59c SOFTE: 1 
  [  175.365681] GPR00: c04eb574 c00fcec1fbc0 c144cc00 
 
  [  175.365681] GPR04: d000190b12c8 000d 636f6c62 
0001 
  [  175.365681] GPR08: c174db10  c174db10 
d000190b10d0 
  [  175.365681] GPR12: c04eb520 c7baad00  
 
  [  175.365681] GPR16:    
 
  [  175.365681] GPR20:  1000a8a8 10020010 
1000a8f0 
  [  175.365681] GPR24: 1000a918 1000a9b8 00fb 
0001 
  [  175.365681] GPR28: d000190b12c8 c1379468  
 
  [  175.365712] NIP [c04eb5cc] unregister_blkdev+0xac/0x160
  [  175.365714] LR [c04eb574] unregister_blkdev+0x54/0x160
  [  175.365716] Call Trace:
  [  175.365719] [c00fcec1fbc0] [c04eb574] 
unregister_blkdev+0x54/0x160 (unreliable)
  [  175.365723] [c00fcec1fc00] [d000190b063c] sys_tcase+0x41c/0xb30 
[ltp_block_dev]
  [  175.365728] [c00fcec1fcc0] [c06431f8] dev_attr_store+0x68/0xa0
  [  175.365732] [c00fcec1fd00] [c035ba30] sysfs_kf_write+0x80/0xb0
  [  175.365735] [c00fcec1fd40] [c035a97c] 
kernfs_fop_write+0x18c/0x1f0
  [  175.365739] [c00fcec1fd90] [c02b488c] vfs_write+0xdc/0x260
  [  175.365743] [c00fcec1fde0] [c02b573c] SyS_write+0x6c/0x110
  [  175.365747] [c00fcec1fe30] [c0009258] system_call+0x38/0xd0
  [  175.365748] Instruction dump:
  [  175.365750] 419e0030 80e90008 7f87f000 409e0018 48c0 815f0008 7f8af000 
419e0058 
  [  175.365756] 7fe9fb78 ebe9 2fbf 409effe8 <0fe0> 7fa3eb78 
3be0 48528871 
  [  175.365761] ---[ end trace 02836eb1f955a5cd ]---

   
  Oops output:
   no
   
  System Dump Info:
The system is not configured to capture a system dump.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486152/+subscriptions

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[Kernel-packages] [Bug 1486152] Re: Kernel WARN @ block/genhd.c:352 with ltp block dev tests

2017-03-21 Thread Manoj Iyer 
** Changed in: linux (Ubuntu)
 Assignee: Taco Screen team (taco-screen-team) => (unassigned)

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https://bugs.launchpad.net/bugs/1486152

Title:
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  == Comment: #0 - SACHIN P. SANT  - 2015-08-07 08:28:13 ==
  ---Problem Description---
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests
   
  Contact Information = Sachin Sant / ss...@in.ibm.com 
   
  ---uname output---
  3.19.0-26-generic
   
  Machine Type = POWER8 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   1) Install Ubuntu 14.04.03 running bare-metal
  2) Install LTP and compile the code
  3) run the ltp_block_dev tests 

  The krenel Warning is displayed on the  console during the run
   
  Stack trace output:
   [  175.365323] ltp_block_dev: Test Case Result: PASS
  [  175.365547] ltp_block_dev: Test Case 6: register_blkdev() with name=""
  [  175.365550] ltp_block_dev: Test Case Result: PASS
  [  175.365615] ltp_block_dev: Test Case 7: unregister_blkdev() with major=0
  [  175.365628] [ cut here ]
  [  175.365630] WARNING: at 
/build/linux-lts-vivid-GlOzk5/linux-lts-vivid-3.19.0/block/genhd.c:352
  [  175.365632] Modules linked in: ltp_block_dev(OE) joydev mac_hid 
hid_generic ofpart ipmi_powernv cmdlinepart ipmi_msghandler powernv_flash mtd 
opal_prd powernv_rng at24 usbhid hid ast uio_pdrv_genirq syscopyarea uio 
sysfillrect sysimgblt nouveau ttm drm_kms_helper drm i2c_algo_bit mlx4_en vxlan 
ip6_udp_tunnel udp_tunnel uas usb_storage bnx2x mlx4_core lpfc ahci libahci 
scsi_transport_fc mdio libcrc32c [last unloaded: ltp_block_dev]
  [  175.365663] CPU: 133 PID: 4832 Comm: block_dev Tainted: GW  OE  
3.19.0-26-generic #27~14.04.1-Ubuntu
  [  175.365666] task: c00fcebc9140 ti: c00fcec1c000 task.ti: 
c00fcec1c000
  [  175.365669] NIP: c04eb5cc LR: c04eb574 CTR: 
c04eb520
  [  175.365671] REGS: c00fcec1f940 TRAP: 0700   Tainted: GW  OE   
(3.19.0-26-generic)
  [  175.365673] MSR: 90029033   CR: 28000482  
XER: 2000
  [  175.365681] CFAR: c04eb59c SOFTE: 1 
  [  175.365681] GPR00: c04eb574 c00fcec1fbc0 c144cc00 
 
  [  175.365681] GPR04: d000190b12c8 000d 636f6c62 
0001 
  [  175.365681] GPR08: c174db10  c174db10 
d000190b10d0 
  [  175.365681] GPR12: c04eb520 c7baad00  
 
  [  175.365681] GPR16:    
 
  [  175.365681] GPR20:  1000a8a8 10020010 
1000a8f0 
  [  175.365681] GPR24: 1000a918 1000a9b8 00fb 
0001 
  [  175.365681] GPR28: d000190b12c8 c1379468  
 
  [  175.365712] NIP [c04eb5cc] unregister_blkdev+0xac/0x160
  [  175.365714] LR [c04eb574] unregister_blkdev+0x54/0x160
  [  175.365716] Call Trace:
  [  175.365719] [c00fcec1fbc0] [c04eb574] 
unregister_blkdev+0x54/0x160 (unreliable)
  [  175.365723] [c00fcec1fc00] [d000190b063c] sys_tcase+0x41c/0xb30 
[ltp_block_dev]
  [  175.365728] [c00fcec1fcc0] [c06431f8] dev_attr_store+0x68/0xa0
  [  175.365732] [c00fcec1fd00] [c035ba30] sysfs_kf_write+0x80/0xb0
  [  175.365735] [c00fcec1fd40] [c035a97c] 
kernfs_fop_write+0x18c/0x1f0
  [  175.365739] [c00fcec1fd90] [c02b488c] vfs_write+0xdc/0x260
  [  175.365743] [c00fcec1fde0] [c02b573c] SyS_write+0x6c/0x110
  [  175.365747] [c00fcec1fe30] [c0009258] system_call+0x38/0xd0
  [  175.365748] Instruction dump:
  [  175.365750] 419e0030 80e90008 7f87f000 409e0018 48c0 815f0008 7f8af000 
419e0058 
  [  175.365756] 7fe9fb78 ebe9 2fbf 409effe8 <0fe0> 7fa3eb78 
3be0 48528871 
  [  175.365761] ---[ end trace 02836eb1f955a5cd ]---

   
  Oops output:
   no
   
  System Dump Info:
The system is not configured to capture a system dump.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486152/+subscriptions

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[Kernel-packages] [Bug 1486152] Re: Kernel WARN @ block/genhd.c:352 with ltp block dev tests

2017-03-08 Thread Manoj Iyer 
Please try the LTS backport HWE-X kernel or LTS 14.04.05, and see if you
can reproduce this bug?

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Title:
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests

Status in linux package in Ubuntu:
  New

Bug description:
  == Comment: #0 - SACHIN P. SANT  - 2015-08-07 08:28:13 ==
  ---Problem Description---
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests
   
  Contact Information = Sachin Sant / ss...@in.ibm.com 
   
  ---uname output---
  3.19.0-26-generic
   
  Machine Type = POWER8 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   1) Install Ubuntu 14.04.03 running bare-metal
  2) Install LTP and compile the code
  3) run the ltp_block_dev tests 

  The krenel Warning is displayed on the  console during the run
   
  Stack trace output:
   [  175.365323] ltp_block_dev: Test Case Result: PASS
  [  175.365547] ltp_block_dev: Test Case 6: register_blkdev() with name=""
  [  175.365550] ltp_block_dev: Test Case Result: PASS
  [  175.365615] ltp_block_dev: Test Case 7: unregister_blkdev() with major=0
  [  175.365628] [ cut here ]
  [  175.365630] WARNING: at 
/build/linux-lts-vivid-GlOzk5/linux-lts-vivid-3.19.0/block/genhd.c:352
  [  175.365632] Modules linked in: ltp_block_dev(OE) joydev mac_hid 
hid_generic ofpart ipmi_powernv cmdlinepart ipmi_msghandler powernv_flash mtd 
opal_prd powernv_rng at24 usbhid hid ast uio_pdrv_genirq syscopyarea uio 
sysfillrect sysimgblt nouveau ttm drm_kms_helper drm i2c_algo_bit mlx4_en vxlan 
ip6_udp_tunnel udp_tunnel uas usb_storage bnx2x mlx4_core lpfc ahci libahci 
scsi_transport_fc mdio libcrc32c [last unloaded: ltp_block_dev]
  [  175.365663] CPU: 133 PID: 4832 Comm: block_dev Tainted: GW  OE  
3.19.0-26-generic #27~14.04.1-Ubuntu
  [  175.365666] task: c00fcebc9140 ti: c00fcec1c000 task.ti: 
c00fcec1c000
  [  175.365669] NIP: c04eb5cc LR: c04eb574 CTR: 
c04eb520
  [  175.365671] REGS: c00fcec1f940 TRAP: 0700   Tainted: GW  OE   
(3.19.0-26-generic)
  [  175.365673] MSR: 90029033   CR: 28000482  
XER: 2000
  [  175.365681] CFAR: c04eb59c SOFTE: 1 
  [  175.365681] GPR00: c04eb574 c00fcec1fbc0 c144cc00 
 
  [  175.365681] GPR04: d000190b12c8 000d 636f6c62 
0001 
  [  175.365681] GPR08: c174db10  c174db10 
d000190b10d0 
  [  175.365681] GPR12: c04eb520 c7baad00  
 
  [  175.365681] GPR16:    
 
  [  175.365681] GPR20:  1000a8a8 10020010 
1000a8f0 
  [  175.365681] GPR24: 1000a918 1000a9b8 00fb 
0001 
  [  175.365681] GPR28: d000190b12c8 c1379468  
 
  [  175.365712] NIP [c04eb5cc] unregister_blkdev+0xac/0x160
  [  175.365714] LR [c04eb574] unregister_blkdev+0x54/0x160
  [  175.365716] Call Trace:
  [  175.365719] [c00fcec1fbc0] [c04eb574] 
unregister_blkdev+0x54/0x160 (unreliable)
  [  175.365723] [c00fcec1fc00] [d000190b063c] sys_tcase+0x41c/0xb30 
[ltp_block_dev]
  [  175.365728] [c00fcec1fcc0] [c06431f8] dev_attr_store+0x68/0xa0
  [  175.365732] [c00fcec1fd00] [c035ba30] sysfs_kf_write+0x80/0xb0
  [  175.365735] [c00fcec1fd40] [c035a97c] 
kernfs_fop_write+0x18c/0x1f0
  [  175.365739] [c00fcec1fd90] [c02b488c] vfs_write+0xdc/0x260
  [  175.365743] [c00fcec1fde0] [c02b573c] SyS_write+0x6c/0x110
  [  175.365747] [c00fcec1fe30] [c0009258] system_call+0x38/0xd0
  [  175.365748] Instruction dump:
  [  175.365750] 419e0030 80e90008 7f87f000 409e0018 48c0 815f0008 7f8af000 
419e0058 
  [  175.365756] 7fe9fb78 ebe9 2fbf 409effe8 <0fe0> 7fa3eb78 
3be0 48528871 
  [  175.365761] ---[ end trace 02836eb1f955a5cd ]---

   
  Oops output:
   no
   
  System Dump Info:
The system is not configured to capture a system dump.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486152/+subscriptions

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[Kernel-packages] [Bug 1486152] Re: Kernel WARN @ block/genhd.c:352 with ltp block dev tests

2017-03-06 Thread Breno Leitão 
** Changed in: linux (Ubuntu)
 Assignee: (unassigned) => Taco Screen team (taco-screen-team)

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Title:
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests

Status in linux package in Ubuntu:
  New

Bug description:
  == Comment: #0 - SACHIN P. SANT  - 2015-08-07 08:28:13 ==
  ---Problem Description---
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests
   
  Contact Information = Sachin Sant / ss...@in.ibm.com 
   
  ---uname output---
  3.19.0-26-generic
   
  Machine Type = POWER8 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   1) Install Ubuntu 14.04.03 running bare-metal
  2) Install LTP and compile the code
  3) run the ltp_block_dev tests 

  The krenel Warning is displayed on the  console during the run
   
  Stack trace output:
   [  175.365323] ltp_block_dev: Test Case Result: PASS
  [  175.365547] ltp_block_dev: Test Case 6: register_blkdev() with name=""
  [  175.365550] ltp_block_dev: Test Case Result: PASS
  [  175.365615] ltp_block_dev: Test Case 7: unregister_blkdev() with major=0
  [  175.365628] [ cut here ]
  [  175.365630] WARNING: at 
/build/linux-lts-vivid-GlOzk5/linux-lts-vivid-3.19.0/block/genhd.c:352
  [  175.365632] Modules linked in: ltp_block_dev(OE) joydev mac_hid 
hid_generic ofpart ipmi_powernv cmdlinepart ipmi_msghandler powernv_flash mtd 
opal_prd powernv_rng at24 usbhid hid ast uio_pdrv_genirq syscopyarea uio 
sysfillrect sysimgblt nouveau ttm drm_kms_helper drm i2c_algo_bit mlx4_en vxlan 
ip6_udp_tunnel udp_tunnel uas usb_storage bnx2x mlx4_core lpfc ahci libahci 
scsi_transport_fc mdio libcrc32c [last unloaded: ltp_block_dev]
  [  175.365663] CPU: 133 PID: 4832 Comm: block_dev Tainted: GW  OE  
3.19.0-26-generic #27~14.04.1-Ubuntu
  [  175.365666] task: c00fcebc9140 ti: c00fcec1c000 task.ti: 
c00fcec1c000
  [  175.365669] NIP: c04eb5cc LR: c04eb574 CTR: 
c04eb520
  [  175.365671] REGS: c00fcec1f940 TRAP: 0700   Tainted: GW  OE   
(3.19.0-26-generic)
  [  175.365673] MSR: 90029033   CR: 28000482  
XER: 2000
  [  175.365681] CFAR: c04eb59c SOFTE: 1 
  [  175.365681] GPR00: c04eb574 c00fcec1fbc0 c144cc00 
 
  [  175.365681] GPR04: d000190b12c8 000d 636f6c62 
0001 
  [  175.365681] GPR08: c174db10  c174db10 
d000190b10d0 
  [  175.365681] GPR12: c04eb520 c7baad00  
 
  [  175.365681] GPR16:    
 
  [  175.365681] GPR20:  1000a8a8 10020010 
1000a8f0 
  [  175.365681] GPR24: 1000a918 1000a9b8 00fb 
0001 
  [  175.365681] GPR28: d000190b12c8 c1379468  
 
  [  175.365712] NIP [c04eb5cc] unregister_blkdev+0xac/0x160
  [  175.365714] LR [c04eb574] unregister_blkdev+0x54/0x160
  [  175.365716] Call Trace:
  [  175.365719] [c00fcec1fbc0] [c04eb574] 
unregister_blkdev+0x54/0x160 (unreliable)
  [  175.365723] [c00fcec1fc00] [d000190b063c] sys_tcase+0x41c/0xb30 
[ltp_block_dev]
  [  175.365728] [c00fcec1fcc0] [c06431f8] dev_attr_store+0x68/0xa0
  [  175.365732] [c00fcec1fd00] [c035ba30] sysfs_kf_write+0x80/0xb0
  [  175.365735] [c00fcec1fd40] [c035a97c] 
kernfs_fop_write+0x18c/0x1f0
  [  175.365739] [c00fcec1fd90] [c02b488c] vfs_write+0xdc/0x260
  [  175.365743] [c00fcec1fde0] [c02b573c] SyS_write+0x6c/0x110
  [  175.365747] [c00fcec1fe30] [c0009258] system_call+0x38/0xd0
  [  175.365748] Instruction dump:
  [  175.365750] 419e0030 80e90008 7f87f000 409e0018 48c0 815f0008 7f8af000 
419e0058 
  [  175.365756] 7fe9fb78 ebe9 2fbf 409effe8 <0fe0> 7fa3eb78 
3be0 48528871 
  [  175.365761] ---[ end trace 02836eb1f955a5cd ]---

   
  Oops output:
   no
   
  System Dump Info:
The system is not configured to capture a system dump.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1486152] Re: Kernel WARN @ block/genhd.c:352 with ltp block dev tests

2015-08-19 Thread Brian Murray 
** Package changed: ubuntu = linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1486152

Title:
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests

Status in linux package in Ubuntu:
  New

Bug description:
  == Comment: #0 - SACHIN P. SANT ss...@in.ibm.com - 2015-08-07 08:28:13 ==
  ---Problem Description---
  Kernel WARN @ block/genhd.c:352 with ltp block dev tests
   
  Contact Information = Sachin Sant / ss...@in.ibm.com 
   
  ---uname output---
  3.19.0-26-generic
   
  Machine Type = POWER8 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   1) Install Ubuntu 14.04.03 running bare-metal
  2) Install LTP and compile the code
  3) run the ltp_block_dev tests 

  The krenel Warning is displayed on the  console during the run
   
  Stack trace output:
   [  175.365323] ltp_block_dev: Test Case Result: PASS
  [  175.365547] ltp_block_dev: Test Case 6: register_blkdev() with name=
  [  175.365550] ltp_block_dev: Test Case Result: PASS
  [  175.365615] ltp_block_dev: Test Case 7: unregister_blkdev() with major=0
  [  175.365628] [ cut here ]
  [  175.365630] WARNING: at 
/build/linux-lts-vivid-GlOzk5/linux-lts-vivid-3.19.0/block/genhd.c:352
  [  175.365632] Modules linked in: ltp_block_dev(OE) joydev mac_hid 
hid_generic ofpart ipmi_powernv cmdlinepart ipmi_msghandler powernv_flash mtd 
opal_prd powernv_rng at24 usbhid hid ast uio_pdrv_genirq syscopyarea uio 
sysfillrect sysimgblt nouveau ttm drm_kms_helper drm i2c_algo_bit mlx4_en vxlan 
ip6_udp_tunnel udp_tunnel uas usb_storage bnx2x mlx4_core lpfc ahci libahci 
scsi_transport_fc mdio libcrc32c [last unloaded: ltp_block_dev]
  [  175.365663] CPU: 133 PID: 4832 Comm: block_dev Tainted: GW  OE  
3.19.0-26-generic #27~14.04.1-Ubuntu
  [  175.365666] task: c00fcebc9140 ti: c00fcec1c000 task.ti: 
c00fcec1c000
  [  175.365669] NIP: c04eb5cc LR: c04eb574 CTR: 
c04eb520
  [  175.365671] REGS: c00fcec1f940 TRAP: 0700   Tainted: GW  OE   
(3.19.0-26-generic)
  [  175.365673] MSR: 90029033 SF,HV,EE,ME,IR,DR,RI,LE  CR: 28000482  
XER: 2000
  [  175.365681] CFAR: c04eb59c SOFTE: 1 
  [  175.365681] GPR00: c04eb574 c00fcec1fbc0 c144cc00 
 
  [  175.365681] GPR04: d000190b12c8 000d 636f6c62 
0001 
  [  175.365681] GPR08: c174db10  c174db10 
d000190b10d0 
  [  175.365681] GPR12: c04eb520 c7baad00  
 
  [  175.365681] GPR16:    
 
  [  175.365681] GPR20:  1000a8a8 10020010 
1000a8f0 
  [  175.365681] GPR24: 1000a918 1000a9b8 00fb 
0001 
  [  175.365681] GPR28: d000190b12c8 c1379468  
 
  [  175.365712] NIP [c04eb5cc] unregister_blkdev+0xac/0x160
  [  175.365714] LR [c04eb574] unregister_blkdev+0x54/0x160
  [  175.365716] Call Trace:
  [  175.365719] [c00fcec1fbc0] [c04eb574] 
unregister_blkdev+0x54/0x160 (unreliable)
  [  175.365723] [c00fcec1fc00] [d000190b063c] sys_tcase+0x41c/0xb30 
[ltp_block_dev]
  [  175.365728] [c00fcec1fcc0] [c06431f8] dev_attr_store+0x68/0xa0
  [  175.365732] [c00fcec1fd00] [c035ba30] sysfs_kf_write+0x80/0xb0
  [  175.365735] [c00fcec1fd40] [c035a97c] 
kernfs_fop_write+0x18c/0x1f0
  [  175.365739] [c00fcec1fd90] [c02b488c] vfs_write+0xdc/0x260
  [  175.365743] [c00fcec1fde0] [c02b573c] SyS_write+0x6c/0x110
  [  175.365747] [c00fcec1fe30] [c0009258] system_call+0x38/0xd0
  [  175.365748] Instruction dump:
  [  175.365750] 419e0030 80e90008 7f87f000 409e0018 48c0 815f0008 7f8af000 
419e0058 
  [  175.365756] 7fe9fb78 ebe9 2fbf 409effe8 0fe0 7fa3eb78 
3be0 48528871 
  [  175.365761] ---[ end trace 02836eb1f955a5cd ]---

   
  Oops output:
   no
   
  System Dump Info:
The system is not configured to capture a system dump.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486152/+subscriptions

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Mailing list: https://launchpad.net/~kernel-packages
Post to : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help   : https://help.launchpad.net/ListHelp