1.4.2 just works fine.
my inittab:
::sysinit:/etc/rc.sysinit
::respawn:-/bin/sh
::restart:/sbin/init
::shutdown:/bin/sync
cttyhack.c [^] (1,909 bytes) 05-09-07 13:12 
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| ID | Category | Severity | Reproducibility | Date Submitted | Last Update | ||||
| 0001342 | [BusyBox] Other | major | always | 05-09-07 01:20 | 02-12-08 02:23 | ||||
| Reporter | zhuangyy | View Status | public | ||||||
| Assigned To | BusyBox | ||||||||
| Priority | normal | Resolution | no change required | ||||||
| Status | closed | Product Version | 1.4.x | ||||||
| Summary | 0001342: busybox 1.5.0 /bin/sh: can't access tty; job control turned off | ||||||||
| Description |
after upgrading busybox from 1.4.2 to 1.5.0, I got a "/bin/sh: can't access tty; job control turned off" error message. 1.4.2 just works fine. my inittab: ::sysinit:/etc/rc.sysinit ::respawn:-/bin/sh ::restart:/sbin/init ::shutdown:/bin/sync |
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| Additional Information | |||||||||
| Attached Files |
cttyhack.c [^] (1,909 bytes) 05-09-07 13:12 |
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(0002348) zhuangyy 05-09-07 01:21 |
the shell i am using is ash. |
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(0002349) vda 05-09-07 13:12 |
init has stdin/out/err opened to /dev/console for it by kernel. This device is special - it cannot be a controlling tty. There was special ad-hoc code in init which analyzed init's stdin with various ioctls, trying to determine whether it is a /dev/ttyN or /dev/ttySN (virtual terminal or serial line). If it detected one, it closed stdin/out/err and reopened that device. It was done in order to have controlling tty. Note that if console in NOT vc or serial, init was not able to do the trick. Thus different console devices were handled in different way. This code ws removed. init just hands already opened /dev/console file descriptors to its children. If you wish to still do this hack, use attached program: ::respawn:/bin/cttyhack -/bin/sh |
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(0004174) vda 02-12-08 02:23 |
Yet another user with shell on /dev/console... |
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Issue History |
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| Date Modified | Username | Field | Change |
| 05-09-07 01:20 | zhuangyy | New Issue | |
| 05-09-07 01:20 | zhuangyy | Status | new => assigned |
| 05-09-07 01:20 | zhuangyy | Assigned To | => BusyBox |
| 05-09-07 01:21 | zhuangyy | Note Added: 0002348 | |
| 05-09-07 13:12 | vda | Note Added: 0002349 | |
| 05-09-07 13:12 | vda | File Added: cttyhack.c | |
| 02-12-08 02:23 | vda | Status | assigned => closed |
| 02-12-08 02:23 | vda | Note Added: 0004174 | |
| 02-12-08 02:23 | vda | Resolution | open => no change required |
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