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rjkroege / edwood

Go version of Plan9 Acme Editor
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crash on plumb-opening a file #111

Open rjkroege opened 6 years ago

rjkroege commented 6 years ago

Use plumb to open a file, see crash:

goroutine 28 [running, locked to thread]: main.(Text).fill(0xc00032ec18, 0x1649260, 0xc0008f2000) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/text.go:529 +0x1bf main.(Text).Redraw(0xc00032ec18, 0x488, 0x267, 0x63f, 0x291, 0x1cb, 0x300) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/text.go:151 +0x175 main.(Text).Resize(0xc00032ec18, 0x474, 0x267, 0x63f, 0x291, 0x1, 0x474) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/text.go:177 +0x1ad main.(Window).Resize(0xc00032ec00, 0x474, 0x267, 0x63f, 0x3c2, 0x101, 0x36) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/wind.go:264 +0x59a main.(Window).SetTag1(0xc00032ec00) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/wind.go:550 +0x6d4 main.(Window).SetTag(0xc00032ec00) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/wind.go:463 +0x8c main.(*Window).SetName(0xc00032ec00, 0xc00042c3f0, 0x2b) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/wind.go:412 +0xf8 main.openfile(0x0, 0xc0000ba3f0, 0x4) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/look.go:738 +0xb9 main.plumblook(0xc0003f9e60) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/look.go:237 +0x10f main.mousethread(0xc0000ca0c0) /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/acme.go:308 +0x248 created by main.main /Users/rjkroege/tools/gopkg/src/github.com/rjkroege/edwood/acme.go:173 +0x8f9

rjkroege commented 6 years ago

I had this happen again. Possible insight: if the column that is the destination of the new window is empty (i.e. contains no windows) then that's when the crash happens.