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openSUSE:Step:FrontRunner
xen.11173
5c77c30b-x86-hvm-increase-triple-fault-log-leve...
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File 5c77c30b-x86-hvm-increase-triple-fault-log-level.patch of Package xen.11173
# Commit 1c8ca185e3c6e003398471edd9dbac0cd118137c # Date 2019-02-28 11:16:27 +0000 # Author Andrew Cooper <andrew.cooper3@citrix.com> # Committer Andrew Cooper <andrew.cooper3@citrix.com> x86/hvm: Increase the triple fault log message level to XENLOG_ERR At INFO level, it doesn't get printed out by default in release builds, leading to unqualified logging such as this: (XEN) [ 66.995993] Freed 524kB init memory (XEN) [ 1993.144997] *** Dumping Dom9 vcpu#2 state: *** (XEN) [ 1993.145008] ----[ Xen-4.11.1 x86_64 debug=n Not tainted ]---- (XEN) [ 1993.145011] CPU: 21 (XEN) [ 1993.145015] RIP: 0010:[<ffffe0002ba950ef>] (XEN) [ 1993.145018] RFLAGS: 0000000000010246 CONTEXT: hvm guest (d9v2) (XEN) [ 1993.145026] rax: 00000000ffffe000 rbx: ffffe0002d8e1440 rcx: 0000ffffe0002ba9 (XEN) [ 1993.145031] rdx: 0000000000000000 rsi: ffffe0002ba93575 rdi: fffff803dfb9f340 (XEN) [ 1993.145035] rbp: ffffd001cd791200 rsp: ffffd001cd791140 r8: 0000000000000130 (XEN) [ 1993.145039] r9: 0000000080000000 r10: 0000000000000000 r11: 0000000000000020 (XEN) [ 1993.145043] r12: ffffe0002ba9306d r13: 0000000000000000 r14: 0000000000000001 (XEN) [ 1993.145047] r15: fffff803dfb9f200 cr0: 0000000080050031 cr4: 0000000000170678 (XEN) [ 1993.145051] cr3: 00000000001aa002 cr2: 0000020488403f70 (XEN) [ 1993.145056] fsb: 0000000060f71000 gsb: ffffd001cc1af000 gss: 0000009d60f6f000 (XEN) [ 1993.145060] ds: 002b es: 002b fs: 0053 gs: 002b ss: 0018 cs: 0010 A triple fault is fatal to the domain under all circumstances (so will print at most once), and in practice is always an error condition rather than a reboot fallback. Reported-by: Razvan Cojocaru <rcojocaru@bitdefender.com> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Jan Beulich <jbeulich@suse.com> --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -1636,7 +1636,7 @@ void hvm_triple_fault(void) struct domain *d = v->domain; u8 reason = d->arch.hvm_domain.params[HVM_PARAM_TRIPLE_FAULT_REASON]; - gprintk(XENLOG_INFO, + gprintk(XENLOG_ERR, "Triple fault - invoking HVM shutdown action %d\n", reason); vcpu_show_execution_state(v);
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