11-CURRENT r275641 panic: Unrecoverable machine check exception
Ivan Klymenko
fidaj at ukr.net
Fri Dec 12 20:03:50 UTC 2014
Hi.
I see such a panic the first time in 10 years.
Fri Dec 12 21:35:11 EET 2014
FreeBSD nonamehost.local 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r275641: Tue Dec 9 17:03:43 EET 2014 ivan at nonamehost.local:/media/da0s1/obj/usr/src/sys/mk11 amd64
panic: Unrecoverable machine check exception
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This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
MCA: Bank 6, Status 0xfe20000000041136
MCA: Global Cap 0x0000000000000c07, Status 0x0000000000000005
MCA: Vendor "GenuineIntel", ID 0x206a7, APIC ID 1
MCA: CPU 1 UNCOR PCC OVER DCACHE L2 DRD error
MCA: Address 0xbd8d4cc0
MCA: Misc 0x30e3000086
MCA: Bank 6, Status 0xfe20000000041136
MCA: Global Cap 0x0000000000000c07, Status 0x0000000000000005
MCA: Vendor "GenuineIntel", ID 0x206a7, APIC ID 0
MCA: CPU 0 UNCOR PCC OVER DCACHE L2 DRD error
MCA: Address 0xbd8d4cc0
MCA: Misc 0x30e3000086
panic: Unrecoverable machine check exception
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff80a00870 at kdb_backtrace+0x60
#1 0xffffffff809be5b1 at panic+0x1c1
#2 0xffffffff80f784ab at mca_intr+0x6b
#3 0xffffffff80e55bb9 at trap+0x99
#4 0xffffffff80e38b22 at calltrap+0x8
Uptime: 1h44m14s
Dumping 675 out of 6050 MB:..3%..12%..22%..31%..41%..53%..62%..72%..81%..93%
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#0 doadump (textdump=<value optimized out>) at pcpu.h:219
219 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=<value optimized out>) at pcpu.h:219
#1 0xffffffff809be0c8 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:447
#2 0xffffffff809be5f0 in panic (fmt=<value optimized out>)
at /usr/src/sys/kern/kern_shutdown.c:746
#3 0xffffffff80f784ab in mca_intr () at /usr/src/sys/x86/x86/mca.c:998
#4 0xffffffff80e55bb9 in trap (frame=<value optimized out>)
at /usr/src/sys/amd64/amd64/trap.c:218
#5 0xffffffff80e38b22 in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:231
#6 0x000000080418ece0 in ?? ()
Previous frame inner to this frame (corrupt stack?)
Current language: auto; currently minimal
(kgdb)
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