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feat: watch for kernel panic/warn/bug

master
dump_stack() 2023-12-25 15:03:07 +00:00
parent 6f53a3f386
commit 1b3e23d188
Signed by: dump_stack
GPG Key ID: BE44DA8C062D87DC
1 changed files with 14 additions and 12 deletions
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26
qemu/qemu-kernel.go
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@ -188,17 +188,20 @@ func kvmExists() bool {
return true return true
} }
func (q *System) panicWatcher() { func (q *System) checkOopsPanic(s string) {
for { if strings.Contains(s, "Kernel panic") {
q.KernelPanic = true
q.Log.Warn().Msg("kernel panic")
time.Sleep(time.Second) time.Sleep(time.Second)
if strings.Contains(q.Stdout, "Kernel panic") { // There is no reason to stay alive after kernel panic
q.KernelPanic = true q.Stop()
q.Log.Debug().Msg("kernel panic") } else if strings.Contains(s, "BUG") {
time.Sleep(time.Second) q.Log.Warn().Msg(s)
// There is no reason to stay alive after kernel panic time.Sleep(time.Second)
q.Stop() // consider BUG() as non-recoverable state
return q.Stop()
} } else if strings.Contains(s, "WARNING") {
q.Log.Warn().Msg(s)
} }
} }
@ -307,6 +310,7 @@ func (q *System) Start() (err error) {
m := scanner.Text() m := scanner.Text()
q.Stdout += m + "\n" q.Stdout += m + "\n"
q.Log.Trace().Str("stdout", m).Msg("qemu") q.Log.Trace().Str("stdout", m).Msg("qemu")
go q.checkOopsPanic(m)
} }
}() }()
@ -330,8 +334,6 @@ func (q *System) Start() (err error) {
err = errors.New("qemu died immediately: " + string(q.Stderr)) err = errors.New("qemu died immediately: " + string(q.Stderr))
} }
go q.panicWatcher()
if q.Timeout != 0 { if q.Timeout != 0 {
go func() { go func() {
time.Sleep(q.Timeout) time.Sleep(q.Timeout)