Re: Kernel hangs on reboot on system with 05/2013~06/2013 CURRENT sources

2013-06-27 Thread Florian Smeets
On 26.06.13 03:19, Attilio Rao wrote:
 On Tue, Jun 25, 2013 at 11:27 PM, Florian Smeets f...@smeets.im wrote:
 On 06/25/2013 22:45, Garrett Cooper wrote:
 Long story short is that I've run into an issue on several VM
 images and real machines where UFS on mpt fails to reboot because it
 hangs in the kernel. I don't have any specific details, other than it
 occurs regularly with cam/mpt on VMware boxes running builds; however
 I've also seen this occur with a Dell box that has an mpt SAS
 controller with 2 zpools and gobs of RAM. Does anyone know of any
 issues in this area [recently]?
 This set of issues appears to have started cropping up after
 03/2013, because I was running reliable builds off those sources.
 Thanks!
 -Garrett


 Yes, I saw the same thing today when rebooting a box running r251905:
 Tue Jun 18 10:12:42 CEST 2013 with ahci on a zfs only system.

 I update this box about once a week, that previous kernel was from Jun
 11. and that still rebooted successfully. As the kernel from June 18. is
 now kernel.old I don't know the SVN rev for the June 11 kernel, but it
 looks like it was broken between June 11. and 18.
 
 Can you break into KDB once the loop happens?
 

I cannot reproduce on kernels from yesterday/today. So for me the case
is closed.

Florian



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Kernel hangs on reboot on system with 05/2013~06/2013 CURRENT sources

2013-06-25 Thread Garrett Cooper
Long story short is that I've run into an issue on several VM
images and real machines where UFS on mpt fails to reboot because it
hangs in the kernel. I don't have any specific details, other than it
occurs regularly with cam/mpt on VMware boxes running builds; however
I've also seen this occur with a Dell box that has an mpt SAS
controller with 2 zpools and gobs of RAM. Does anyone know of any
issues in this area [recently]?
This set of issues appears to have started cropping up after
03/2013, because I was running reliable builds off those sources.
Thanks!
-Garrett

PS Please CC me in all emails as I'm not subscribed to freebsd-current@.
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Re: Kernel hangs on reboot on system with 05/2013~06/2013 CURRENT sources

2013-06-25 Thread Florian Smeets
On 06/25/2013 22:45, Garrett Cooper wrote:
 Long story short is that I've run into an issue on several VM
 images and real machines where UFS on mpt fails to reboot because it
 hangs in the kernel. I don't have any specific details, other than it
 occurs regularly with cam/mpt on VMware boxes running builds; however
 I've also seen this occur with a Dell box that has an mpt SAS
 controller with 2 zpools and gobs of RAM. Does anyone know of any
 issues in this area [recently]?
 This set of issues appears to have started cropping up after
 03/2013, because I was running reliable builds off those sources.
 Thanks!
 -Garrett
 

Yes, I saw the same thing today when rebooting a box running r251905:
Tue Jun 18 10:12:42 CEST 2013 with ahci on a zfs only system.

I update this box about once a week, that previous kernel was from Jun
11. and that still rebooted successfully. As the kernel from June 18. is
now kernel.old I don't know the SVN rev for the June 11 kernel, but it
looks like it was broken between June 11. and 18.

However my workstation, also running a kernel from June 18. does still
reboot OK, it's using ahci and UFS.

Florian



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Re: Kernel hangs on reboot on system with 05/2013~06/2013 CURRENT sources

2013-06-25 Thread Garrett Cooper
On Tue, Jun 25, 2013 at 2:27 PM, Florian Smeets f...@smeets.im wrote:
 On 06/25/2013 22:45, Garrett Cooper wrote:
 Long story short is that I've run into an issue on several VM
 images and real machines where UFS on mpt fails to reboot because it
 hangs in the kernel. I don't have any specific details, other than it
 occurs regularly with cam/mpt on VMware boxes running builds; however
 I've also seen this occur with a Dell box that has an mpt SAS
 controller with 2 zpools and gobs of RAM. Does anyone know of any
 issues in this area [recently]?
 This set of issues appears to have started cropping up after
 03/2013, because I was running reliable builds off those sources.
 Thanks!
 -Garrett


 Yes, I saw the same thing today when rebooting a box running r251905:
 Tue Jun 18 10:12:42 CEST 2013 with ahci on a zfs only system.

 I update this box about once a week, that previous kernel was from Jun
 11. and that still rebooted successfully. As the kernel from June 18. is
 now kernel.old I don't know the SVN rev for the June 11 kernel, but it
 looks like it was broken between June 11. and 18.

 However my workstation, also running a kernel from June 18. does still
 reboot OK, it's using ahci and UFS.

Hmmm... nothing's jumping out as being incorrect for me in those
dates. There was a rev that were broken in your case that were
reverted by mav, but there doesn't appear to be anything that would be
causing my particular problem (again, right offhand). The snapshot I'm
using was generated on 06/07/2013.
Thanks!
-Garrett
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Re: Kernel hangs on reboot on system with 05/2013~06/2013 CURRENT sources

2013-06-25 Thread Attilio Rao
On Tue, Jun 25, 2013 at 11:27 PM, Florian Smeets f...@smeets.im wrote:
 On 06/25/2013 22:45, Garrett Cooper wrote:
 Long story short is that I've run into an issue on several VM
 images and real machines where UFS on mpt fails to reboot because it
 hangs in the kernel. I don't have any specific details, other than it
 occurs regularly with cam/mpt on VMware boxes running builds; however
 I've also seen this occur with a Dell box that has an mpt SAS
 controller with 2 zpools and gobs of RAM. Does anyone know of any
 issues in this area [recently]?
 This set of issues appears to have started cropping up after
 03/2013, because I was running reliable builds off those sources.
 Thanks!
 -Garrett


 Yes, I saw the same thing today when rebooting a box running r251905:
 Tue Jun 18 10:12:42 CEST 2013 with ahci on a zfs only system.

 I update this box about once a week, that previous kernel was from Jun
 11. and that still rebooted successfully. As the kernel from June 18. is
 now kernel.old I don't know the SVN rev for the June 11 kernel, but it
 looks like it was broken between June 11. and 18.

Can you break into KDB once the loop happens?

Attilio


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