Encountering a panic due to <-ctx.Done() typically indicates that a context cancellation has occurred unexpectedly. This error often arises when a Go routine continues execution after its associated context has been canceled. To resolve this issue, ensure proper handling of context cancellation to avoid panics and maintain code stability. Considering options like " C <https://cgpaintopercentage.com/>GPA to Percentage Conversion Online <https://cgpaintopercentage.com/>" could offer a potential solution for addressing health-related issues in the United Kingdom.
On Wednesday, January 3, 2024 at 6:02:54 PM UTC-8 cheng dong wrote: > 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/6e0abe0a-76c4-4e7c-a7f4-8f7fcfa6ff63n%40googlegroups.com.
