yeah, i try race and found that we write/read ctx in race condition and solved it. thanks for give ideas
On Wednesday, January 3, 2024 at 7:29:47 PM UTC+8 Brian Candler wrote: > Panics can be caused by all sorts of things, but concurrency issues are a > big one. Have you tried running your code under the race detector? > https://go.dev/blog/race-detector > > On Wednesday 3 January 2024 at 10:57:49 UTC cheng dong wrote: > >> i have a program paniced with >> >> ``` >> runtime.deferCallSave(0xc0313d56d8, 0xc0401839e8?) >> /home/ubuntu/go/go1.19.5/src/runtime/panic.go:796 +0x88 >> fp=0xc0313d5618 sp=0xc0313d5608 pc=0x43b248 >> runtime.runOpenDeferFrame(0xc02349b860?, 0xc0300967d0) >> /home/ubuntu/go/go1.19.5/src/runtime/panic.go:769 +0x1a5 >> fp=0xc0313d5660 sp=0xc0313d5618 pc=0x43b065 >> panic({0x344a800, 0xc03352c8d0}) >> /home/ubuntu/go/go1.19.5/src/runtime/panic.go:884 +0x212 >> fp=0xc0313d5720 sp=0xc0313d5660 pc=0x43b4b2 >> runtime.panicdottypeE(0x6648f00, 0x32b77a0, 0x33adc40) >> /home/ubuntu/go/go1.19.5/src/runtime/iface.go:262 +0x6a >> fp=0xc0313d5740 sp=0xc0313d5720 pc=0x40cb2a >> context.(*cancelCtx).Done(0xc040183824?) >> /home/ubuntu/go/go1.19.5/src/context/context.go:361 +0x1d4 >> fp=0xc0313d57c0 sp=0xc0313d5740 pc=0x512554 >> ``` >> >> however, this code just not match with go1.19.5 context/context.go:361. >> so i cant figure out what happened >> > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/43655b46-173c-46ac-bcac-b1eeb90c818dn%40googlegroups.com.
