On Sun, Nov 19, 2000 at 07:31:36PM +0100, Michael Schmitz wrote: > > the reason i ask is there is a pretty nasty security problem with > > this, try the following: > > > > cat /dev/urandom > /dev/fb0 > > > > on my system i get a instant kernel panic (2.2.17 from ftp.kernel.org). > > Should not happen - can you post a panic message? on a sidenote is there any other way of capturing panic messages then echo 10000 > /proc/sys/kernel/panic and writing the damn thing down? (it was not logged) NIP: C0010F18 XER: 00000000 LR: C0133B94 REGS: c162bd40 TRAP: 0600 MSR: 00009032 [EEIRDRME] TASK = c162a000[485] 'cat' mm->pgd c1627000 Last syscall: 4 last math c162a000 GPR00: 00000080 C162BDF0 C162A000 CC003000 01843A9C 00000000 CC002FFC 00000008 GPR08: 01000000 C1857160 00000000 00000004 00000020 0184AFDC 00000000 00000000 GPR16: 00000001 7FFFFA44 7FFFF920 00000002 00009032 0162BE80 00000000 C0003B9C GPR16: C00038D0 00000000 01843AA0 C3837358 C018853C 00000000 C1857000 00001000 Call backtrace: C0133B10 C002EF94 C0003924 017E06B0 01800B70 01801630 0170C75C 00000000 Kernel panic: Exception in kernel pc c0010f18 signal 7 these are the only symbols found in /boot/System.map-2.2.17: C0003B9C: c0003b9c T int_return c0003b9c T ret_from_syscall C00038D0: c00038d0 t DoSyscall C018853C: c018853c d aty128fb_ops C0003924: c0003924 T syscall_ret_1 -- Ethan Benson http://www.alaska.net/~erbenson/
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