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[Please follow up to Linux-kernel or CC me; I'm not subscribed to irda-users] I'm trying to communicate with my Handy via IrDA, using scmxx. # scmxx -d /dev/ircomm0 --system-charset utf-8 -i That command hangs, SysRQ-t shows: ... May 11 08:40:24 hermes kernel: scmxx S CE879D64 0 9248 6505 (L-TLB) May 11 08:40:24 hermes kernel: ce879d50 00000046 c1405a60 ce879d64 ce879d2c c0103a92 00000000 c03ebba0 May 11 08:40:24 hermes kernel: 00000286 c0c5e020 ce879d64 ce879d2c c0c5e020 00000001 c04d5be8 c1405020 May 11 08:40:24 hermes kernel: 00000000 00000000 1ce069c0 000f66db c012d063 d1006aa0 d1006bf8 00000286 May 11 08:40:24 hermes kernel: Call Trace: May 11 08:40:24 hermes kernel: [schedule_timeout+105/192] schedule_timeout+0x69/0xc0 May 11 08:40:24 hermes kernel: [pg0+558195132/1068463104] ircomm_tty_wait_until_sent+0xcc/0x160 [ircomm_tty] May 11 08:40:24 hermes kernel: [tty_wait_until_sent+225/240] tty_wait_until_sent+0xe1/0xf0 May 11 08:40:24 hermes kernel: [pg0+558193184/1068463104] ircomm_tty_close+0x120/0x280 [ircomm_tty] May 11 08:40:24 hermes kernel: [release_dev+2072/2112] release_dev+0x818/0x840 May 11 08:40:24 hermes kernel: [tty_release+18/32] tty_release+0x12/0x20 May 11 08:40:24 hermes kernel: [__fput+333/352] __fput+0x14d/0x160 May 11 08:40:24 hermes kernel: [filp_close+79/128] filp_close+0x4f/0x80 May 11 08:40:24 hermes kernel: [put_files_struct+113/208] put_files_struct+0x71/0xd0 May 11 08:40:24 hermes kernel: [do_exit+211/896] do_exit+0xd3/0x380 May 11 08:40:24 hermes kernel: [do_group_exit+63/176] do_group_exit+0x3f/0xb0 May 11 08:40:24 hermes kernel: [syscall_call+7/11] syscall_call+0x7/0xb ... May 11 08:41:54 hermes kernel: scmxx S 00000000 0 9248 6505 (L-TLB) May 11 08:41:54 hermes kernel: ce879d50 00000046 c1405020 00000000 00000000 699c7680 000f66e7 c03ebba0 May 11 08:41:54 hermes kernel: d1006aa0 c8331560 00000000 ce879d2c c8331560 00000001 c04d5be8 c1405020 May 11 08:41:54 hermes kernel: 00000000 00000000 3c914f40 000f66f0 c012d063 d1006aa0 d1006bf8 00000286 May 11 08:41:54 hermes kernel: Call Trace: May 11 08:41:54 hermes kernel: [schedule_timeout+105/192] schedule_timeout+0x69/0xc0 May 11 08:41:54 hermes kernel: [pg0+558195132/1068463104] ircomm_tty_wait_until_sent+0xcc/0x160 [ircomm_tty] May 11 08:41:54 hermes kernel: [tty_wait_until_sent+225/240] tty_wait_until_sent+0xe1/0xf0 May 11 08:41:54 hermes kernel: [pg0+558193184/1068463104] ircomm_tty_close+0x120/0x280 [ircomm_tty] May 11 08:41:54 hermes kernel: [release_dev+2072/2112] release_dev+0x818/0x840 May 11 08:41:54 hermes kernel: [tty_release+18/32] tty_release+0x12/0x20 May 11 08:41:54 hermes kernel: [__fput+333/352] __fput+0x14d/0x160 May 11 08:41:54 hermes kernel: [filp_close+79/128] filp_close+0x4f/0x80 May 11 08:41:54 hermes kernel: [put_files_struct+113/208] put_files_struct+0x71/0xd0 May 11 08:41:54 hermes kernel: [do_exit+211/896] do_exit+0xd3/0x380 May 11 08:41:54 hermes kernel: [do_group_exit+63/176] do_group_exit+0x3f/0xb0 May 11 08:41:54 hermes kernel: [syscall_call+7/11] syscall_call+0x7/0xb ... May 11 08:42:33 hermes kernel: scmxx S 00000000 0 9248 6505 (L-TLB) May 11 08:42:33 hermes kernel: ce879d50 00000046 c1405020 00000000 00000000 699c7680 000f66e7 c03ebba0 May 11 08:42:33 hermes kernel: d1006aa0 c819baa0 00000000 ce879d2c c819baa0 00000001 c04d5be8 c1405020 May 11 08:42:33 hermes kernel: 00000000 00000000 3142a180 000f66f9 c012d063 d1006aa0 d1006bf8 00000286 May 11 08:42:33 hermes kernel: Call Trace: May 11 08:42:33 hermes kernel: [schedule_timeout+105/192] schedule_timeout+0x69/0xc0 May 11 08:42:33 hermes kernel: [pg0+558195132/1068463104] ircomm_tty_wait_until_sent+0xcc/0x160 [ircomm_tty] May 11 08:42:33 hermes kernel: [tty_wait_until_sent+225/240] tty_wait_until_sent+0xe1/0xf0 May 11 08:42:33 hermes kernel: [pg0+558193184/1068463104] ircomm_tty_close+0x120/0x280 [ircomm_tty] May 11 08:42:33 hermes kernel: [release_dev+2072/2112] release_dev+0x818/0x840 May 11 08:42:33 hermes kernel: [tty_release+18/32] tty_release+0x12/0x20 May 11 08:42:33 hermes kernel: [__fput+333/352] __fput+0x14d/0x160 May 11 08:42:33 hermes kernel: [filp_close+79/128] filp_close+0x4f/0x80 May 11 08:42:33 hermes kernel: [put_files_struct+113/208] put_files_struct+0x71/0xd0 May 11 08:42:33 hermes kernel: [do_exit+211/896] do_exit+0xd3/0x380 May 11 08:42:33 hermes kernel: [do_group_exit+63/176] do_group_exit+0x3f/0xb0 May 11 08:42:33 hermes kernel: [syscall_call+7/11] syscall_call+0x7/0xb ... May 11 08:43:25 hermes kernel: scmxx S CE879CF4 0 9248 6505 (L-TLB) May 11 08:43:25 hermes kernel: ce879d50 00000046 ce879d1c ce879cf4 c012974d ce879d14 c01053fa c03ebba0 May 11 08:43:25 hermes kernel: c01053fa c5d22aa0 0268cb43 ce879d64 c5d22aa0 00000001 c04d5be8 c1405020 May 11 08:43:25 hermes kernel: 00000000 00000000 81de8080 000f6705 c012d063 d1006aa0 d1006bf8 00000286 May 11 08:43:25 hermes kernel: Call Trace: May 11 08:43:25 hermes kernel: [schedule_timeout+105/192] schedule_timeout+0x69/0xc0 May 11 08:43:25 hermes kernel: [pg0+558195132/1068463104] ircomm_tty_wait_until_sent+0xcc/0x160 [ircomm_tty] May 11 08:43:25 hermes kernel: [tty_wait_until_sent+225/240] tty_wait_until_sent+0xe1/0xf0 May 11 08:43:25 hermes kernel: [pg0+558193184/1068463104] ircomm_tty_close+0x120/0x280 [ircomm_tty] May 11 08:43:25 hermes kernel: [release_dev+2072/2112] release_dev+0x818/0x840 May 11 08:43:25 hermes kernel: [tty_release+18/32] tty_release+0x12/0x20 May 11 08:43:25 hermes kernel: [__fput+333/352] __fput+0x14d/0x160 May 11 08:43:25 hermes kernel: [filp_close+79/128] filp_close+0x4f/0x80 May 11 08:43:25 hermes kernel: [put_files_struct+113/208] put_files_struct+0x71/0xd0 May 11 08:43:25 hermes kernel: [do_exit+211/896] do_exit+0xd3/0x380 May 11 08:43:25 hermes kernel: [do_group_exit+63/176] do_group_exit+0x3f/0xb0 May 11 08:43:25 hermes kernel: [syscall_call+7/11] syscall_call+0x7/0xb There is no other IrDA-user, the process can't be killed with "kill -9", strace to that PID is not permitted (as root): attach: ptrace(PTRACE_ATTACH, ...): Operation not permitted Any ideas? Jochen -- #include <~/.signature>: permission denied - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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