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authored <ed@FreeBSD.org>2008-08-31 10:17:40 +0000
committered <ed@FreeBSD.org>2008-08-31 10:17:40 +0000
commitaf5f6ae3e7ac4c9ea61d89fae3267b0166874970 (patch)
treec3d5c31e1d60af9f89d0b18a6f4108c0b31093bd /tools
parent1ab8b1ad33760215eaf34c34b010ed94c0666631 (diff)
downloadFreeBSD-src-af5f6ae3e7ac4c9ea61d89fae3267b0166874970.zip
FreeBSD-src-af5f6ae3e7ac4c9ea61d89fae3267b0166874970.tar.gz
Disable processing of output data after disabling scroll lock by force.
The syscons code disabled scroll lock inside sc_cnputs() if it's going to print a system message. The code currently wants to process any TTY output data as well, but we cannot do this, because the TTY lock is a sleep mutex, while cnputs() picks up a spin mutex. Disable the code for now. It solves a panic when a console message is printed while scroll lock is enabled. One solution would be to initialize a task structure here. Reported by: Paul B. Mahol <onemda gmail com>
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