Bug 234539 - [PowerPC64] panic: FPU already enabled for thread
Summary: [PowerPC64] panic: FPU already enabled for thread
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: CURRENT
Hardware: powerpc Any
: --- Affects Some People
Assignee: freebsd-ppc mailing list
Depends on:
Reported: 2019-01-01 06:45 UTC by Sean Bruno
Modified: 2019-01-09 23:33 UTC (History)
2 users (show)

See Also:


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Description Sean Bruno freebsd_committer 2019-01-01 06:45:32 UTC
Not a lot I can get from a ppc64 crash other than the backtrace:

panic: FPU already enabled for thread
cpuid = 23
time = 1546311842
KDB: stack backtrace:
0xe000000201c47330: at .kdb_backtrace+0x5c
0xe000000201c47460: at .vpanic+0x1b4
0xe000000201c47520: at .panic+0x38
0xe000000201c475b0: at .trap+0xb64
0xe000000201c47770: at .powerpc_interrupt+0x290
0xe000000201c47810: user FPU trap by 0x81086e528: srr1=0x900000000000d032
            r1=0x3fffffffdfdfaea0 cr=0x22040024 xer=0 ctr=0x81086e51c r2=0x810891818
KDB: enter: panic
[ thread pid 17895 tid 101554 ]
Stopped at      .kdb_enter+0x60:        ld      r2, r1, 0x28

The system was in the middle of a package build run.
Comment 1 Sean Bruno freebsd_committer 2019-01-09 23:33:08 UTC
Firmware that is running:

        ibm,firmware-versions {
                bmc-firmware-version = "1.10";
                buildroot = "2018.05.1-114-g1822255eab";ensor";
                capp-ucode = "p9-dd2-v4";
                hostboot = "p8-30b88ed-p580ec27";
                hostboot-binaries = "hw091818a.930";
                linux = "4.18.6-openpower1-p40b056c";
                machine-xml = "e0fae90-p90e7e34";
                occ = "p8-28f2cec";
                open-power = "palmetto-v2.1-134-g1ad4886";
                petitboot = "1.9.1";
                phandle = <0x10000087>;
                skiboot = "v6.1-124-g7dbf80d1db45";