Date: Sat, 29 Aug 2009 20:32:34 +0200 From: Andreas Tobler <andreast-list@fgznet.ch> To: freebsd-current <freebsd-current@freebsd.org> Subject: Boot panic -CURRENT #196643 Message-ID: <4A997442.1060200@fgznet.ch>
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Hello,
I synced the sources today to #196643.
And built a kernel with WITNESS etc. off.
My boot partition sits on zfs.
I get the below panic. Unfortunately I can't bt since the usb keyboard
ist not functional at this moment.
---
Trying to mount root from zfs:zroot
spin lock 0x80dccc00 (sched lock 1) held by 0x8595baf0 (tid 100003) too long
panic: spin lock held too long
cpuid = 0
KDB: enter: panic
[thread pid 1 tid 100002 ]
Stopped at kdb_enter+0x3a: movl $0,kdb_why
---
Unfortunately I can't say exactly which version the previous, working,
kernel has. The svn nbr has gone. (I have this subversion:
subversion-freebsd-1.6.5)
Here the top of the dmesg:
FreeBSD 9.0-CURRENT #0: Fri Aug 28 21:05:42 CEST 2009
andreast@tc.andreas.nets:/usr/obj/export/devel/fbsd/head/src/sys/TC
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz (2992.51-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf41 Stepping = 1
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x441d<SSE3,DTES64,MON,DS_CPL,CNXT-ID,xTPR>
TSC: P-state invariant
real memory = 2147483648 (2048 MB)
avail memory = 2075926528 (1979 MB)
ACPI APIC Table: <PTLTD APIC >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 HTT threads
cpu0 (BSP): APIC ID: 0
cpu1 (AP/HT): APIC ID: 1
...
I start now with a WITNESS build.
Btw, on which irc channel, (bsdcode, bsddev) could such an issue be
discussed?
Thanks for any hint on how to track this down.
Andreas
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