Date: Tue, 18 Mar 2014 09:47:28 +0000 From: Karl Pielorz <kpielorz_lst@tdx.co.uk> To: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com>, freebsd-xen@FreeBSD.org Subject: Re: FBSD 10.0-S (r261289M) under XenServer 6.2 - Stuck sshd in urdlck? Message-ID: <0A15EC23852EB144F19A5228@Mail-PC.tdx.co.uk> In-Reply-To: <5328076C.9000304@citrix.com> References: <4B8380EBE379080FAD3271FA@Mail-PC.tdx.co.uk> <53272E41.3050409@citrix.com> <6534613783544E26A15CF44F@study64.tdx.co.uk> <5328076C.9000304@citrix.com>
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--On 18 March 2014 09:44 +0100 Roger Pau Monn=C3=A9 <roger.pau@citrix.com>=20 wrote: > The output of vmstat -ai might also be helpful to assure that event > timers are working correctly. Ok, that's at the bottom of this email. > Also, does this VM have some > PCI-passthrough? Did you migrate it? The xl configuration file used to > create the domain would also be interesting. VM has no passthrough (this is a completely separate system to the one I=20 was doing the passthrough work on), and was created 'from new' - from Xen=20 Center I did "VM, new VM" I used the "Other install media" template with 2 vCPU's and 2048Mb of RAM - = and fed it the FreeBSD 10.0-R amd64 install ISO. Single GPT partition, ufs=20 - and a small (2Gb SWAP partition). Once the system was running I installed subversion then did a svn checkout=20 of 'stable' source - rebuilt the world/kernel / installed the kernel/world=20 - and did the usual mergemaster updates. > Also, could you try the same workload with a pristine GENERIC kernel? Ok - I'll leave this VM 'as-is' If I get time I'll setup two new VM's - a=20 stock 10.0-R with stock GENERIC, and another one using the r261289M source=20 from this machine, but stock GENERIC kernel (the only mods I'd made were=20 the 'NO_ADAPTIVE_' changes as recommended by the xen man page). It may be a while before I know if sshd is going to get 'stuck' again - but = I'll keep an eye on them. -Karl vmstat Output: " # vmstat -ai interrupt total rate ??? 0 0 irq1: atkbd0 312 0 stray irq1 0 0 irq0: attimer0 0 0 stray irq0 0 0 irq3: 0 0 stray irq3 0 0 irq4: uart0 0 0 stray irq4 0 0 irq5: 0 0 stray irq5 0 0 irq6: 0 0 stray irq6 0 0 irq7: ppc0 0 0 stray irq7 0 0 irq8: atrtc0 0 0 stray irq8 0 0 irq9: acpi0 0 0 stray irq9 0 0 irq10: 0 0 stray irq10 0 0 irq11: 0 0 stray irq11 0 0 irq12: psm0 0 0 stray irq12 0 0 irq13: 0 0 stray irq13 0 0 irq14: ata0 0 0 stray irq14 0 0 irq15: ata1 2696605 0 stray irq15 0 0 irq16: 0 0 stray irq16 0 0 irq17: 0 0 stray irq17 0 0 irq18: 0 0 stray irq18 0 0 irq19: 0 0 stray irq19 0 0 irq20: 0 0 stray irq20 0 0 irq21: 0 0 stray irq21 0 0 irq22: 0 0 stray irq22 0 0 irq23: uhci0 21 0 stray irq23 0 0 irq24: 0 0 stray irq24 0 0 irq25: 0 0 stray irq25 0 0 irq26: 0 0 stray irq26 0 0 irq27: 0 0 stray irq27 0 0 irq28: 0 0 stray irq28 0 0 irq29: 0 0 stray irq29 0 0 irq30: xenpci0 0 0 stray irq30 0 0 irq31: 0 0 stray irq31 0 0 irq32: 0 0 stray irq32 0 0 irq33: 0 0 stray irq33 0 0 irq34: 0 0 stray irq34 0 0 irq35: 0 0 stray irq35 0 0 irq36: 0 0 stray irq36 0 0 irq37: 0 0 stray irq37 0 0 irq38: 0 0 stray irq38 0 0 irq39: 0 0 stray irq39 0 0 irq40: 0 0 stray irq40 0 0 irq41: 0 0 stray irq41 0 0 irq42: 0 0 stray irq42 0 0 irq43: 0 0 stray irq43 0 0 irq44: 0 0 stray irq44 0 0 irq45: 0 0 stray irq45 0 0 irq46: 0 0 stray irq46 0 0 irq47: 0 0 stray irq47 0 0 cpu0:timer 0 0 cpu0:xen 195870019 48 cpu1:xen 147437789 36 irq768: xen_et0:c0 124192981 30 stray irq768 0 0 irq769: xen_et0:c1 24519742 6 stray irq769 0 0 irq770: xenstore0 411992 0 stray irq770 0 0 irq771: xbd0 653984 0 stray irq771 0 0 irq772: xn0 34383547 8 stray irq772 0 0 cpu1:timer 0 0 irq773: cpu0:r 0 0 stray irq773 0 0 irq774: cpu0:itlb 0 0 stray irq774 0 0 irq775: cpu0:ipg 13761 0 stray irq775 0 0 irq776: cpu0:irg 19841089 4 stray irq776 0 0 irq777: cpu0:ic 0 0 stray irq777 0 0 irq778: cpu0:b 52076491 12 stray irq778 0 0 irq779: cpu0:st 0 0 stray irq779 0 0 irq780: cpu0:sp 0 0 stray irq780 0 0 irq781: cpu0:sth 0 0 stray irq781 0 0 irq782: cpu1:r 0 0 stray irq782 0 0 irq783: cpu1:itlb 0 0 stray irq783 0 0 irq784: cpu1:ipg 9162 0 stray irq784 0 0 irq785: cpu1:irg 16455346 4 stray irq785 0 0 irq786: cpu1:ic 0 0 stray irq786 0 0 irq787: cpu1:b 72199060 17 stray irq787 0 0 irq788: cpu1:st 0 0 stray irq788 0 0 irq789: cpu1:sp 0 0 stray irq789 0 0 irq790: cpu1:sth 0 0 stray irq790 0 0 Total 690761901 170 "
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