When I receive incoming call, mgetty make connection, but when pppd starts kernel crash. Dec 3 00:05:43 mimi kernel: Lucent Modem driver version 4.27.5.66 with MANY_PORTS MULTIPORT SHARE_IRQ enabled Dec 3 00:05:43 mimi kernel: ttyS14 at 0xc000 (irq = 9) is a Lucent Dec 3 00:05:43 mimi mgetty[1192]: mgetty: experimental test release 1.1.22-Aug17: Success Dec 3 00:05:43 mimi mgetty[1192]: check for lockfiles: Function not implemented Dec 3 00:05:43 mimi mgetty[1192]: locking the line: No such file or directory Dec 3 00:05:43 mimi mgetty[1192]: lowering DTR to reset Modem: No such file or directory Dec 3 00:05:44 mimi mgetty[1192]: send: : No such file or directory Dec 3 00:05:44 mimi mgetty[1192]: waiting for ``OK'': No such file or directory Dec 3 00:05:44 mimi mgetty[1192]: waiting...: No such file or directory Dec 3 00:06:00 mimi mgetty[1192]: wfr: waiting for ``RING'': No such file or directory Dec 3 00:06:00 mimi CROND[1196]: (mailman) CMD (/usr/bin/python - S /usr/share/mailman/cron/qrunner) Dec 3 00:06:00 mimi mgetty[1192]: send: : Operation not permitted Dec 3 00:06:00 mimi mgetty[1192]: waiting for ``CONNECT'': Operation not permitted Dec 3 00:06:44 mimi mgetty[1192]: send: : Operation not permitted Dec 3 00:06:44 mimi mgetty[1192]: waiting for ``_'': Operation not permitted Dec 3 00:06:48 mimi mgetty[1192]: data dev=ttyS14, pid=1192, caller='none', conn='33600 V42bis', name='', cmd='/usr/sbin/pppd', user='/AutoPPP/' Dec 3 00:06:48 mimi kernel: CSLIP: code copyright 1989 Regents of the University of California Dec 3 00:06:48 mimi kernel: PPP: version 2.3.7 (demand dialling) Dec 3 00:06:48 mimi kernel: PPP line discipline registered. Dec 3 00:06:48 mimi kernel: registered device ppp0 Dec 3 00:06:48 mimi pppd[1192]: pppd 2.3.11 started by a_ppp, uid 0 Dec 3 00:06:48 mimi pppd[1192]: Using interface ppp0 Dec 3 00:06:48 mimi pppd[1192]: Connect: ppp0 <--> /dev/ttyS14 Dec 3 00:06:48 mimi kernel: Unable to handle kernel paging request at virtual address 60000000 Dec 3 00:06:48 mimi kernel: current->tss.cr3 = 03a47000, %cr3 = 03a47000 Dec 3 00:06:48 mimi kernel: *pde = 00000000 Dec 3 00:06:48 mimi kernel: Oops: 0002 Dec 3 00:06:48 mimi kernel: CPU: 0 Dec 3 00:06:48 mimi kernel: EIP: 0010: [agpgart:__insmod_agpgart_S.bss_L200+389057/9783011] Dec 3 00:06:48 mimi kernel: EFLAGS: 00010006 Dec 3 00:06:48 mimi kernel: eax: 00000fff ebx: 0000003d ecx: 0000000f edx: 00001000 Dec 3 00:06:48 mimi kernel: esi: c3fe7638 edi: 60000000 ebp: c3fe7400 esp: c124decc Dec 3 00:06:48 mimi kernel: ds: 0018 es: 0018 ss: 0018 Dec 3 00:06:48 mimi kernel: Process pppd (pid: 1192, process nr: 58, stackpage=c124d000) Dec 3 00:06:48 mimi kernel: Stack: 00000001 c3fe7400 00000286 00000000 c40f6e8b c003f000 00000000 c3fe7638 Dec 3 00:06:48 mimi kernel: 0000003d c3fe7400 c1a3b960 c3a7b6e0 c40f6da8 c3fe7400 0000c021 c40f9017 Dec 3 00:06:48 mimi kernel: c3fe7400 c3a7b6e0 c3fe7420 c3fe7400 c3fe7420 c1a3b960 00000020 c40f930b Dec 3 00:06:48 mimi kernel: Call Trace: [agpgart:__insmod_agpgart_S.bss_L200+673451/9498617] [agpgart:__insmod_agpgart_S.bss_L200+673224/9498844] [agpgart:__insmod_agpgart_S.bss_L200+682039/9490029] [agpgart:__insmod_agpgart_S.bss_L200+682795/9489273] [agpgart:__insmod_agpgart_S.bss_L200+671395/9500673] [tty_write+458/528] [agpgart:__insmod_agpgart_S.bss_L200+671152/9500916] Dec 3 00:06:48 mimi kernel: [sys_write+219/256] [tty_write+0/528] [system_call+52/56] Dec 3 00:06:48 mimi kernel: Code: f3 a5 f6 c3 02 74 02 66 a5 f6 c3 01 74 01 a4 89 d8 03 45 5c Dec 3 00:06:48 mimi kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000604 Dec 3 00:06:48 mimi kernel: current->tss.cr3 = 00101000, %cr3 = 00101000 Dec 3 00:06:48 mimi kernel: *pde = 00000000 Dec 3 00:06:48 mimi kernel: Oops: 0000 Dec 3 00:06:48 mimi kernel: CPU: 0 Dec 3 00:06:48 mimi kernel: EIP: 0010: [agpgart:__insmod_agpgart_S.bss_L200+393830/9778238] Dec 3 00:06:48 mimi kernel: EFLAGS: 00010202 Dec 3 00:06:48 mimi kernel: eax: 00000000 ebx: c3fe7400 ecx: c003f000 edx: 00000000 Dec 3 00:06:48 mimi kernel: esi: 000005dc edi: c3ee15c0 ebp: c003f000 esp: c124dd4c Dec 3 00:06:48 mimi kernel: ds: 0018 es: 0018 ss: 0018 Dec 3 00:06:48 mimi kernel: Process pppd (pid: 1192, process nr: 58, stackpage=c124d000) Dec 3 00:06:48 mimi kernel: Stack: c3ee15c0 00000000 00000286 c01a4013 c003f000 c3ee15c0 c3ee15c0 c302b650 Dec 3 00:06:48 mimi kernel: c3028460 00000001 c003f000 00000000 00000000 00005000 c019cc22 0000000e Dec 3 00:06:48 mimi kernel: 00000001 c027ef00 00000000 c02ebff8 003fc000 c39ee000 00000003 c3ee15c0 Dec 3 00:06:48 mimi kernel: Call Trace: [release_dev+663/1700] [set_cursor+110/132] [check_pgt_cache+17/24] [tty_release+10/16] [__fput+31/72] [fput+23/72] [filp_close+82/92] Dec 3 00:06:48 mimi kernel: [do_exit+297/628] [die_if_no_fixup+0/64] [error_table+2631/9344] [error_table+9070/9344] [do_page_fault+708/944] [error_table+9070/9344] [error_code+45/56] [agpgart:__insmod_agpgart_S.bss_L200+389057/9783011] Dec 3 00:06:48 mimi kernel: [agpgart:__insmod_agpgart_S.bss_L200+673451/9498617] [agpgart:__insmod_agpgart_S.bss_L200+673224/9498844] [agpgart:__insmod_agpgart_S.bss_L200+682039/9490029] [agpgart:__insmod_agpgart_S.bss_L200+682795/9489273] [agpgart:__insmod_agpgart_S.bss_L200+671395/9500673] [tty_write+458/528] [agpgart:__insmod_agpgart_S.bss_L200+671152/9500916] [sys_write+219/256] Dec 3 00:06:48 mimi kernel: [tty_write+0/528] [system_call+52/56] Dec 3 00:06:48 mimi kernel: Code: 8b 46 28 8d 48 ff 89 4e 28 89 c8 85 c0 7d 18 50 ff 73 48 68 Dec 3 00:06:48 mimi kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000014 Dec 3 00:06:48 mimi kernel: current->tss.cr3 = 00101000,%cr3 = 00101000 Dec 3 00:06:48 mimi kernel: *pde = 00000000 Dec 3 00:06:48 mimi kernel: Oops: 0000 Dec 3 00:06:48 mimi kernel: CPU: 0 Dec 3 00:06:48 mimi kernel: EIP: 0010: [agpgart:__insmod_agpgart_S.bss_L200+394392/9777676] Dec 3 00:06:48 mimi kernel: EFLAGS: 00010286 Dec 3 00:06:48 mimi kernel: eax: c003f000 ebx: 00000000 ecx: c003f000 edx: 00000012 Dec 3 00:06:48 mimi kernel: esi: c003f000 edi: c003f100 ebp: 00000002 esp: c124dc4c Dec 3 00:06:48 mimi kernel: ds: 0018 es: 0018 ss: 0018 Dec 3 00:06:48 mimi kernel: Process pppd (pid: 1192, process nr: 58, stackpage=c124d000) Dec 3 00:06:48 mimi kernel: Stack: c01a32cd c003f000 c003f000 000004a8 c124c000 00000001 c003f000 00000000 Dec 3 00:06:48 mimi kernel: c01a3316 c003f000 c01a338b c003f000 00000000 c124c000 c124c000 c124c000 Dec 3 00:06:48 mimi kernel: c01176ed 00000001 00000292 c124c000 00000000 c003f000 c0117926 c124dd10 Dec 3 00:06:48 mimi kernel: Call Trace: [do_tty_hangup+637/648] [tty_vhangup+10/16] [disassociate_ctty+91/212] [exit_notify+461/472] [do_exit+558/628] [die_if_no_fixup+0/64] [error_table+2631/9344] Dec 3 00:06:48 mimi kernel: [error_table+9070/9344] [do_page_fault+708/944] [error_table+9070/9344] [error_code+45/56] [vt_console_print+388/784] [agpgart:__insmod_agpgart_S.bss_L200+393830/9778238] [release_dev+663/1700] [set_cursor+110/132] Dec 3 00:06:48 mimi kernel: [check_pgt_cache+17/24] [tty_release+10/16] [__fput+31/72] [fput+23/72] [filp_close+82/92] [do_exit+297/628] [die_if_no_fixup+0/64] [error_table+2631/9344] Dec 3 00:06:48 mimi kernel: [error_table+9070/9344] [do_page_fault+708/944] [error_table+9070/9344] [error_code+45/56] [agpgart:__insmod_agpgart_S.bss_L200+389057/9783011] [agpgart:__insmod_agpgart_S.bss_L200+673451/9498617] [agpgart:__insmod_agpgart_S.bss_L200+673224/9498844] [agpgart:__insmod_agpgart_S.bss_L200+682039/9490029] Dec 3 00:06:48 mimi kernel: [agpgart:__insmod_agpgart_S.bss_L200+682795/9489273] [agpgart:__insmod_agpgart_S.bss_L200+671395/9500673] [tty_write+458/528] [agpgart:__insmod_agpgart_S.bss_L200+671152/9500916] [sys_write+219/256] [tty_write+0/528] [system_call+52/56] Dec 3 00:06:48 mimi kernel: Code: 8b 73 14 50 e8 bb eb ff ff 53 e8 19 e3 ff ff c7 43 40 00 00 Dec 3 00:06:48 mimi mgetty[1199]: mgetty: experimental test release 1.1.22-Aug17: Success Dec 3 00:06:48 mimi mgetty[1199]: check for lockfiles: Function not implemented Dec 3 00:06:48 mimi mgetty[1199]: locking the line: No such process Dec 3 00:06:49 mimi mgetty[1199]: WARNING: DCD line still active, check modem settings (AT&Dx): No such process Dec 3 00:06:49 mimi mgetty[1199]: lowering DTR to reset Modem: No such process Dec 3 00:06:49 mimi mgetty[1199]: send: : No such process Dec 3 00:07:00 mimi CROND[1201]: (mailman) CMD (/usr/bin/python - S /usr/share/mailman/cron/qrunner)
Which version of the kernel do you have installed? Does it happen when you use a regular serial port without the Lucent driver loaded?
This bug has been inactive for a year. Please reopen if the bug exists in 7.3.