Messages in this thread | | | Date | Sat, 05 Feb 2005 17:49:31 +0100 | From | Laurent Riffard <> | Subject | 2.6.11-rc3-mm1 : mount UDF CDRW stuck in D state |
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Hello,
This is kernel 2.6.11-rc3-mm1. I can't mount an UDF-formatted cdrw in packet-writing mode. Mount process gets stuck in D state.
Mounting and writing this media in packet-writing mode works fine with kernel 2.6.11-rc2-mm2.
Mounting and reading this media in normal mode (/dev/hdd on /vol/graveur type udf (ro,noexec,nosuid,nodev,noatime)) works fine with kernel 2.6.11-rc3-mm1 or older.
Note I did not try another media, this one seems good to me. The drive is a LITE-ON LTR-48125S.
below are : - ps status - sysreq-T output - output of /proc/driver/pktcdvd/pktcdvd0 - cdrwtool info
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laurent$ ps aux | grep mount root 6782 0.0 0.1 1572 436 ? D 17:34 0:00 /bin/mount -t udf -s -o noatime /dev/pktcdvd/0 /vol/pkt
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Here is the output of SysRq-T for this process :
mount D C7E81B60 0 6782 6781 (NOTLB) c7e81b64 00000082 c0381ee4 c7e81b60 00000000 4c667c40 000f4258 c74c05a0 c74c06c4 c7e80000 c7e81bd0 c7e81b80 c7e81bb8 c0280b76 00000000 c74c05a0 c01133a4 00000000 00000000 c021ae65 c1345e30 ffffffff 00000001 c74c05a0 Call Trace: [wait_for_completion+157/266] wait_for_completion+0x9d/0x10a [<c0280b76>] wait_for_completion+0x9d/0x10a [pg0+364799100/1070007296] pkt_generic_packet+0x108/0x134 [pktcdvd] [<d5f7447c>] pkt_generic_packet+0x108/0x134 [pktcdvd] [pg0+364804125/1070007296] pkt_get_disc_info+0x3d/0x77 [pktcdvd] [<d5f7581d>] pkt_get_disc_info+0x3d/0x77 [pktcdvd] [pg0+364804344/1070007296] pkt_get_last_written+0x15/0x93 [pktcdvd] [<d5f758f8>] pkt_get_last_written+0x15/0x93 [pktcdvd] [pg0+364806861/1070007296] pkt_open_dev+0x38/0x12b [pktcdvd] [<d5f762cd>] pkt_open_dev+0x38/0x12b [pktcdvd] [pg0+364807294/1070007296] pkt_open+0x61/0xa0 [pktcdvd] [<d5f7647e>] pkt_open+0x61/0xa0 [pktcdvd] [do_open+151/803] do_open+0x97/0x323 [<c0151d01>] do_open+0x97/0x323 [blkdev_get+108/119] blkdev_get+0x6c/0x77 [<c0151ff9>] blkdev_get+0x6c/0x77 [open_bdev_excl+55/112] open_bdev_excl+0x37/0x70 [<c01522ee>] open_bdev_excl+0x37/0x70 [get_sb_bdev+22/283] get_sb_bdev+0x16/0x11b [<c0150e2a>] get_sb_bdev+0x16/0x11b [pg0+364950912/1070007296] udf_get_sb+0x10/0x12 [udf] [<d5f99580>] udf_get_sb+0x10/0x12 [udf] [do_kern_mount+67/186] do_kern_mount+0x43/0xba [<c015109a>] do_kern_mount+0x43/0xba [do_new_mount+108/153] do_new_mount+0x6c/0x99 [<c016419d>] do_new_mount+0x6c/0x99 [do_mount+309/332] do_mount+0x135/0x14c [<c0164827>] do_mount+0x135/0x14c [sys_mount+106/166] sys_mount+0x6a/0xa6 [<c0164be8>] sys_mount+0x6a/0xa6 [sysenter_past_esp+82/117] sysenter_past_esp+0x52/0x75 [<c0102bf9>] sysenter_past_esp+0x52/0x75
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laurent$ cat /proc/driver/pktcdvd/pktcdvd0 Writer pktcdvd0 mapped to hdd:
Settings: packet size: 0kB write type: Packet packet type: Variable link loss: 0 track mode: 0 block mode: Unknown
Statistics: packets started: 0 packets ended: 0 written: 0kB read gather: 0kB read: 0kB
Misc: reference count: 1 flags: 0x0 read speed: 0kB/s write speed: 0kB/s start offset: 0 mode page offset: 0
Queue state: bios queued: 0 bios pending: 0 current sector: 0x0 state: i:0 ow:0 rw:0 ww:0 rec:0 fin:0
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[root@antares root]# cdrwtool -i -d /dev/hdd using device /dev/hdd 1388KB internal buffer setting write speed to 12x
DISC INFO: erasable : Yes border = 3 Disc status = 2 number of first track = 1 number of sessions = 1 number of tracks = 1 status of last track = 1 uru = 0 did_v = 1 dbc_v = 0 disc type = 32 disc_id = 100374 lead_in = 255:255:255 (1166880) lead_out = 255:255:255 (1166880) OPC entries = 1
TRACK INFO:
Track 1 track_number = 1 session_number = 1 damage = 0 copy = 0 track_mode = 7 Rt = 1 blank = 0 packet = 1 fp = 1 data_mode = 2 lra_v = 0 nwa_v = 0 track_start = 0 next_writable = 0 last_recorded = 0 free_blocks = 0 packet_size = 32 track_size = 295264 (590528KB)
-- laurent
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