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dvb_usb_lmedm04 crash Kernel

DISCUSSION Antti Palosaari 3 participants 5 messages Aug 2, 2012 – Aug 6, 2012 Media (V4L/DVB)

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Antti Palosaari

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Moi Malcolm,
Any idea why this seems to crash Kernel just when device is plugged?

[crope@localhost linux]$ uname -a
Linux localhost.localdomain 3.4.6-2.fc17.x86_64 #1 SMP Thu Jul 19 22:54:16 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux [crope@localhost linux]$ modinfo dvb_usb_lmedm04

filename: /lib/modules/3.4.6-2.fc17.x86_64/kernel/drivers/media/dvb/dvb-usb/dvb-usb-lmedm04.ko
license:        GPL
version:        1.99
description:    LME2510(C) DVB-S USB2.0
author:         Malcolm Priestley <[email protected]>
srcversion:     59949851F3132870B974EE7
alias:          usb:v3344p22F0d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v3344p1120d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v3344p1122d*dc*dsc*dp*ic*isc*ip*
depends:        dvb-usb,dvb-core,rc-core
intree:         Y
vermagic:       3.4.6-2.fc17.x86_64 SMP mod_unload
parm:           debug:set debugging level (1=info (or-able)). (debugging is not enabled) (int)
parm:           firmware:set default firmware 0=Sharp7395 1=LG (int)
parm:           pid:set default 0=default 1=off 2=on (int)
parm:           adapter_nr:DVB adapter numbers (array of short)

[crope@localhost linux]$

Aug  2 23:46:19 localhost kernel: [  211.527886] usb 1-2.2: new high-speed USB device number 7 using ehci_hcd
Aug  2 23:46:19 localhost kernel: [  211.601817] usb 1-2.2: config 1 interface 0 altsetting 1 bulk endpoint 0x81 has invalid maxpacket 64
Aug  2 23:46:19 localhost kernel: [  211.601829] usb 1-2.2: config 1 interface 0 altsetting 1 bulk endpoint 0x1 has invalid maxpacket 64
Aug  2 23:46:19 localhost kernel: [  211.601837] usb 1-2.2: config 1 interface 0 altsetting 1 bulk endpoint 0x2 has invalid maxpacket 64
Aug  2 23:46:19 localhost kernel: [  211.601845] usb 1-2.2: config 1 interface 0 altsetting 1 bulk endpoint 0x8A has invalid maxpacket 64
Aug  2 23:46:19 localhost kernel: [  211.602073] usb 1-2.2: New USB device found, idVendor=3344, idProduct=22f0
Aug  2 23:46:19 localhost kernel: [  211.602083] usb 1-2.2: New USB device strings: Mfr=0, Product=0, SerialNumber=3
Aug  2 23:46:19 localhost kernel: [  211.602093] usb 1-2.2: SerialNumber: 䥈児
Aug  2 23:46:19 localhost mtp-probe: checking bus 1, device 7: "/sys/devices/pci0000:00/0000:00:12.2/usb1/1-2/1-2.2"
Aug  2 23:46:19 localhost mtp-probe: bus: 1, device: 7 was not an MTP device
Aug  2 23:46:19 localhost kernel: [  211.628508] LME2510(C): Firmware Status: 6 (44)
Aug  2 23:46:19 localhost kernel: [  211.629545] LME2510(C): FRM Loading dvb-usb-lme2510c-rs2000.fw file
Aug  2 23:46:19 localhost kernel: [  211.629551] LME2510(C): FRM Starting Firmware Download
Aug  2 23:46:19 localhost kernel: [  211.629574] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
Aug  2 23:46:19 localhost kernel: [  211.629739] IP: [<ffffffffa03ac116>] lme_firmware_switch+0x526/0x800 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.629900] PGD 0
Aug  2 23:46:19 localhost kernel: [  211.629947] Oops: 0000 [#1] SMP
Aug  2 23:46:19 localhost kernel: [  211.630019] CPU 3
Aug  2 23:46:19 localhost kernel: [  211.630058] Modules linked in: dvb_usb_lmedm04(+) dvb_usb fuse tpm_bios rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ip6table_filter ip6_tables snd_hda_codec_hdmi ppdev sp5100_tco snd_hda_codec_via btusb bluetooth i2c_piix4 8139too microcode 8139cp serio_raw snd_hda_intel edac_core edac_mce_amd k10temp snd_hda_codec snd_hwdep rfkill r8169 mii cx23885 altera_ci tda18271 altera_stapl cx2341x btcx_risc videobuf_dvb dvb_core snd_pcm snd_page_alloc snd_timer snd soundcore tveeprom videobuf_dma_sg videobuf_core v4l2_common videodev media rc_core shpchp parport_pc parport asus_atk0110 uinput xts gf128mul hid_logitech_dj ata_generic pata_acpi dm_crypt pata_atiixp wmi radeon i2c_algo_bit drm_kms_helper ttm drm i2c_core [last unloaded: scsi_wait_scan]
Aug  2 23:46:19 localhost kernel: [  211.631729]
Aug  2 23:46:19 localhost kernel: [  211.631762] Pid: 528, comm: udevd Not tainted 3.4.6-2.fc17.x86_64 #1 System manufacturer System Product Name/M5A78L-M/USB3
Aug  2 23:46:19 localhost kernel: [  211.631981] RIP: 0010:[<ffffffffa03ac116>]  [<ffffffffa03ac116>] lme_firmware_switch+0x526/0x800 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.632183] RSP: 0018:ffff88030b097ae8  EFLAGS: 00010286
Aug  2 23:46:19 localhost kernel: [  211.632282] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.632414] RDX: 0000000000000008 RSI: 0000000000000046 RDI: 0000000000000246
Aug  2 23:46:19 localhost kernel: [  211.632552] RBP: ffff88030b097c28 R08: 000000000000000a R09: 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.632702] R10: 0000000000000000 R11: ffff8802f8255c02 R12: 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.632833] R13: ffff8802f8255c00 R14: ffff8802f8255c02 R15: 00000000ffffffff
Aug  2 23:46:19 localhost kernel: [  211.632967] FS: 00007f023fe01840(0000) GS:ffff88031fcc0000(0000) knlGS:0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.633115] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug  2 23:46:19 localhost kernel: [  211.633222] CR2: 0000000000000008 CR3: 000000030b092000 CR4: 00000000000007e0
Aug  2 23:46:19 localhost kernel: [  211.633353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.633484] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug  2 23:46:19 localhost kernel: [  211.633616] Process udevd (pid: 528, threadinfo ffff88030b096000, task ffff88030b072e20)
Aug  2 23:46:19 localhost kernel: [  211.633763] Stack:
Aug  2 23:46:19 localhost kernel: [  211.633803]  0000000000000000 ffffffff81e69c63 ffffffff81e69c87 ffff88030b097b6d
Aug  2 23:46:19 localhost kernel: [  211.633960]  ffff88030b097b6d 0000000000000003 ffff88030b097bd5 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.634115]  0000020000000000 0000000000000008 0200018100000000 ffff88030c228000
Aug  2 23:46:19 localhost kernel: [  211.634269] Call Trace:
Aug  2 23:46:19 localhost kernel: [  211.634327]  [<ffffffffa03ad843>] lme2510_probe+0x173/0x1c8 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.634466]  [<ffffffff8141e987>] usb_probe_interface+0x107/0x240
Aug  2 23:46:19 localhost kernel: [  211.634584]  [<ffffffff811f1fe3>] ? sysfs_create_link+0x13/0x20
Aug  2 23:46:19 localhost kernel: [  211.634698]  [<ffffffff813a3f32>] driver_probe_device+0x92/0x390
Aug  2 23:46:19 localhost kernel: [  211.634811]  [<ffffffff813a42db>] __driver_attach+0xab/0xb0
Aug  2 23:46:19 localhost kernel: [  211.634919]  [<ffffffff813a4230>] ? driver_probe_device+0x390/0x390
Aug  2 23:46:19 localhost kernel: [  211.635039]  [<ffffffff813a1fb5>] bus_for_each_dev+0x55/0x90
Aug  2 23:46:19 localhost kernel: [  211.635146]  [<ffffffff813a37ce>] driver_attach+0x1e/0x20
Aug  2 23:46:19 localhost kernel: [  211.635249]  [<ffffffff813a34d8>] bus_add_driver+0x1a8/0x2a0
Aug  2 23:46:19 localhost kernel: [  211.635357]  [<ffffffff813a49a7>] driver_register+0x77/0x150
Aug  2 23:46:19 localhost kernel: [  211.635466]  [<ffffffff8141d46d>] usb_register_driver+0x8d/0x160
Aug  2 23:46:19 localhost kernel: [  211.635586]  [<ffffffffa03b4000>] ? 0xffffffffa03b3fff
Aug  2 23:46:19 localhost kernel: [  211.635689]  [<ffffffffa03b401e>] lme2510_driver_init+0x1e/0x1000 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.635835]  [<ffffffff8100212a>] do_one_initcall+0x12a/0x180
Aug  2 23:46:19 localhost kernel: [  211.635946]  [<ffffffff810b6d36>] sys_init_module+0x10f6/0x20c0
Aug  2 23:46:19 localhost kernel: [  211.636062]  [<ffffffff815fcce9>] system_call_fastpath+0x16/0x1b
Aug  2 23:46:19 localhost kernel: [  211.636174] Code: 15 ff ff ff 83 ea 01 41 89 d4 41 29 dc 45 89 e7 41 89 dc 83 c8 80 88 85 14 ff ff ff 48 8b 95 08 ff ff ff 41 0f b7 cc 41 0f b7 c4 <48> 03 0a 8b 95 04 ff ff ff 29 c2 83 fa 31 0f 8e b6 01 00 00 0f
Aug  2 23:46:19 localhost kernel: [  211.636858] RIP [<ffffffffa03ac116>] lme_firmware_switch+0x526/0x800 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.637021]  RSP <ffff88030b097ae8>
Aug  2 23:46:19 localhost kernel: [  211.637089] CR2: 0000000000000008
Aug  2 23:46:19 localhost kernel: [  211.678968] ---[ end trace 043f228f268ca25f ]---
Aug  2 23:46:19 localhost udevd[429]: worker [528] terminated by signal 9 (Killed)
Aug  2 23:46:19 localhost udevd[429]: worker [528] failed while handling '/devices/pci0000:00/0000:00:12.2/usb1/1-2/1-2.2/1-2.2:1.0'
Aug  2 23:46:20 localhost sh[674]: abrt-dump-oops: Found oopses: 1
Aug  2 23:46:20 localhost sh[674]: abrt-dump-oops: Creating dump directories
Aug  2 23:46:20 localhost abrtd: Directory 'oops-2012-08-02-23:46:20-1452-0' creation detected
Aug  2 23:46:20 localhost abrt-dump-oops: Reported 1 kernel oopses to Abrt
Aug  2 23:46:20 localhost abrtd: Can't open file '/var/spool/abrt/oops-2012-08-02-23:46:20-1452-0/uid': No such file or directory
Aug  2 23:46:20 localhost abrtd: Duplicate: UUID
Aug  2 23:46:20 localhost abrtd: DUP_OF_DIR: /var/spool/abrt/oops-2012-06-06-05:16:05-594-0
Aug  2 23:46:20 localhost abrtd: Problem directory is a duplicate of /var/spool/abrt/oops-2012-06-06-05:16:05-594-0
Aug  2 23:46:20 localhost abrtd: Deleting problem directory oops-2012-08-02-23:46:20-1452-0 (dup of oops-2012-06-06-05:16:05-594-0)
Aug  2 23:46:20 localhost abrtd: Can't open file '/var/spool/abrt/oops-2012-06-06-05:16:05-594-0/uid': No such file or directory

regards
Antti

Signature · 1 line
http://palosaari.fi/
#1 lore raw

[PATCH] [BUG] Re: dvb_usb_lmedm04 crash Kernel (rs2000)

Quoted 3 lines · Antti Palosaari

Moi Malcolm,
Any idea why this seems to crash Kernel just when device is plugged?

Hi Antti

Yes, there missing error handling when no firmware file found.

It seems that this is more of a problem with udev-182+.

However, so far udev-182 is only a problem on first ever plug.

Regards

Malcolm

Signed-off-by Malcolm Priestley <[email protected]>
---
 drivers/media/dvb/dvb-usb/lmedm04.c |    4 ++++
 1 file changed, 4 insertions(+)
drivers/media/dvb/dvb-usb/lmedm04.c +4 -0
index 25d1031..26ba5bc 100644
@@ -878,6 +878,10 @@ static int lme_firmware_switch(struct usb_device *udev, int cold)
 		fw_lme = fw_c_rs2000;
 		ret = request_firmware(&fw, fw_lme, &udev->dev);
 		dvb_usb_lme2510_firmware = TUNER_RS2000;
+		if (ret == 0)
+			break;
+		info("FRM No Firmware Found - please install");
+		cold_fw = 0;
 		break;
 	default:
 		fw_lme = fw_c_s7395;
Signature · 1 line
1.7.9.5
Quoted 180 lines

[crope@localhost linux]$ uname -a
Linux localhost.localdomain 3.4.6-2.fc17.x86_64 #1 SMP Thu Jul 19 22:54:16 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
[crope@localhost linux]$ modinfo dvb_usb_lmedm04
filename:
/lib/modules/3.4.6-2.fc17.x86_64/kernel/drivers/media/dvb/dvb-usb/dvb-usb-lmedm04.ko

license:        GPL
version:        1.99
description:    LME2510(C) DVB-S USB2.0
author:         Malcolm Priestley <[email protected]>
srcversion:     59949851F3132870B974EE7
alias:          usb:v3344p22F0d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v3344p1120d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v3344p1122d*dc*dsc*dp*ic*isc*ip*
depends:        dvb-usb,dvb-core,rc-core
intree:         Y
vermagic:       3.4.6-2.fc17.x86_64 SMP mod_unload
parm:           debug:set debugging level (1=info (or-able)). (debugging 
is not enabled) (int)
parm:           firmware:set default firmware 0=Sharp7395 1=LG (int)
parm:           pid:set default 0=default 1=off 2=on (int)
parm:           adapter_nr:DVB adapter numbers (array of short)

[crope@localhost linux]$

Aug  2 23:46:19 localhost kernel: [  211.527886] usb 1-2.2: new 
high-speed USB device number 7 using ehci_hcd
Aug  2 23:46:19 localhost kernel: [  211.601817] usb 1-2.2: config 1 
interface 0 altsetting 1 bulk endpoint 0x81 has invalid maxpacket 64
Aug  2 23:46:19 localhost kernel: [  211.601829] usb 1-2.2: config 1 
interface 0 altsetting 1 bulk endpoint 0x1 has invalid maxpacket 64
Aug  2 23:46:19 localhost kernel: [  211.601837] usb 1-2.2: config 1 
interface 0 altsetting 1 bulk endpoint 0x2 has invalid maxpacket 64
Aug  2 23:46:19 localhost kernel: [  211.601845] usb 1-2.2: config 1 
interface 0 altsetting 1 bulk endpoint 0x8A has invalid maxpacket 64
Aug  2 23:46:19 localhost kernel: [  211.602073] usb 1-2.2: New USB 
device found, idVendor=3344, idProduct=22f0
Aug  2 23:46:19 localhost kernel: [  211.602083] usb 1-2.2: New USB 
device strings: Mfr=0, Product=0, SerialNumber=3
Aug  2 23:46:19 localhost kernel: [  211.602093] usb 1-2.2: 
SerialNumber: 䥈児
Aug  2 23:46:19 localhost mtp-probe: checking bus 1, device 7: 
"/sys/devices/pci0000:00/0000:00:12.2/usb1/1-2/1-2.2"
Aug  2 23:46:19 localhost mtp-probe: bus: 1, device: 7 was not an MTP device
Aug  2 23:46:19 localhost kernel: [  211.628508] LME2510(C): Firmware 
Status: 6 (44)
Aug  2 23:46:19 localhost kernel: [  211.629545] LME2510(C): FRM Loading 
dvb-usb-lme2510c-rs2000.fw file
Aug  2 23:46:19 localhost kernel: [  211.629551] LME2510(C): FRM 
Starting Firmware Download
Aug  2 23:46:19 localhost kernel: [  211.629574] BUG: unable to handle 
kernel NULL pointer dereference at 0000000000000008
Aug  2 23:46:19 localhost kernel: [  211.629739] IP: 
[<ffffffffa03ac116>] lme_firmware_switch+0x526/0x800 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.629900] PGD 0
Aug  2 23:46:19 localhost kernel: [  211.629947] Oops: 0000 [#1] SMP
Aug  2 23:46:19 localhost kernel: [  211.630019] CPU 3
Aug  2 23:46:19 localhost kernel: [  211.630058] Modules linked in:

dvb_usb_lmedm04(+) dvb_usb fuse tpm_bios rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ip6table_filter ip6_tables snd_hda_codec_hdmi ppdev sp5100_tco snd_hda_codec_via btusb bluetooth i2c_piix4 8139too microcode 8139cp serio_raw snd_hda_intel edac_core edac_mce_amd k10temp snd_hda_codec snd_hwdep rfkill r8169 mii cx23885 altera_ci tda18271 altera_stapl cx2341x btcx_risc videobuf_dvb dvb_core snd_pcm snd_page_alloc snd_timer snd soundcore tveeprom videobuf_dma_sg videobuf_core v4l2_common videodev media rc_core shpchp parport_pc parport asus_atk0110 uinput xts gf128mul hid_logitech_dj ata_generic pata_acpi dm_crypt pata_atiixp wmi radeon i2c_algo_bit drm_kms_helper ttm drm i2c_core [last unloaded: scsi_wait_scan]

Aug  2 23:46:19 localhost kernel: [  211.631729]
Aug  2 23:46:19 localhost kernel: [  211.631762] Pid: 528, comm: udevd 
Not tainted 3.4.6-2.fc17.x86_64 #1 System manufacturer System Product 
Name/M5A78L-M/USB3
Aug  2 23:46:19 localhost kernel: [  211.631981] RIP: 
0010:[<ffffffffa03ac116>]  [<ffffffffa03ac116>] 
lme_firmware_switch+0x526/0x800 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.632183] RSP: 
0018:ffff88030b097ae8  EFLAGS: 00010286
Aug  2 23:46:19 localhost kernel: [  211.632282] RAX: 0000000000000000 
RBX: 0000000000000000 RCX: 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.632414] RDX: 0000000000000008 
RSI: 0000000000000046 RDI: 0000000000000246
Aug  2 23:46:19 localhost kernel: [  211.632552] RBP: ffff88030b097c28 
R08: 000000000000000a R09: 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.632702] R10: 0000000000000000 
R11: ffff8802f8255c02 R12: 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.632833] R13: ffff8802f8255c00 
R14: ffff8802f8255c02 R15: 00000000ffffffff
Aug  2 23:46:19 localhost kernel: [  211.632967] FS: 
00007f023fe01840(0000) GS:ffff88031fcc0000(0000) knlGS:0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.633115] CS:  0010 DS: 0000 ES: 
0000 CR0: 000000008005003b
Aug  2 23:46:19 localhost kernel: [  211.633222] CR2: 0000000000000008 
CR3: 000000030b092000 CR4: 00000000000007e0
Aug  2 23:46:19 localhost kernel: [  211.633353] DR0: 0000000000000000 
DR1: 0000000000000000 DR2: 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.633484] DR3: 0000000000000000 
DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug  2 23:46:19 localhost kernel: [  211.633616] Process udevd (pid: 
528, threadinfo ffff88030b096000, task ffff88030b072e20)
Aug  2 23:46:19 localhost kernel: [  211.633763] Stack:
Aug  2 23:46:19 localhost kernel: [  211.633803]  0000000000000000 
ffffffff81e69c63 ffffffff81e69c87 ffff88030b097b6d
Aug  2 23:46:19 localhost kernel: [  211.633960]  ffff88030b097b6d 
0000000000000003 ffff88030b097bd5 0000000000000000
Aug  2 23:46:19 localhost kernel: [  211.634115]  0000020000000000 
0000000000000008 0200018100000000 ffff88030c228000
Aug  2 23:46:19 localhost kernel: [  211.634269] Call Trace:
Aug  2 23:46:19 localhost kernel: [  211.634327]  [<ffffffffa03ad843>] 
lme2510_probe+0x173/0x1c8 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.634466]  [<ffffffff8141e987>] 
usb_probe_interface+0x107/0x240
Aug  2 23:46:19 localhost kernel: [  211.634584]  [<ffffffff811f1fe3>] ? 
sysfs_create_link+0x13/0x20
Aug  2 23:46:19 localhost kernel: [  211.634698]  [<ffffffff813a3f32>] 
driver_probe_device+0x92/0x390
Aug  2 23:46:19 localhost kernel: [  211.634811]  [<ffffffff813a42db>] 
__driver_attach+0xab/0xb0
Aug  2 23:46:19 localhost kernel: [  211.634919]  [<ffffffff813a4230>] ? 
driver_probe_device+0x390/0x390
Aug  2 23:46:19 localhost kernel: [  211.635039]  [<ffffffff813a1fb5>] 
bus_for_each_dev+0x55/0x90
Aug  2 23:46:19 localhost kernel: [  211.635146]  [<ffffffff813a37ce>] 
driver_attach+0x1e/0x20
Aug  2 23:46:19 localhost kernel: [  211.635249]  [<ffffffff813a34d8>] 
bus_add_driver+0x1a8/0x2a0
Aug  2 23:46:19 localhost kernel: [  211.635357]  [<ffffffff813a49a7>] 
driver_register+0x77/0x150
Aug  2 23:46:19 localhost kernel: [  211.635466]  [<ffffffff8141d46d>] 
usb_register_driver+0x8d/0x160
Aug  2 23:46:19 localhost kernel: [  211.635586]  [<ffffffffa03b4000>] ? 
0xffffffffa03b3fff
Aug  2 23:46:19 localhost kernel: [  211.635689]  [<ffffffffa03b401e>] 
lme2510_driver_init+0x1e/0x1000 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.635835]  [<ffffffff8100212a>] 
do_one_initcall+0x12a/0x180
Aug  2 23:46:19 localhost kernel: [  211.635946]  [<ffffffff810b6d36>] 
sys_init_module+0x10f6/0x20c0
Aug  2 23:46:19 localhost kernel: [  211.636062]  [<ffffffff815fcce9>] 
system_call_fastpath+0x16/0x1b
Aug  2 23:46:19 localhost kernel: [  211.636174] Code: 15 ff ff ff 83 ea 
01 41 89 d4 41 29 dc 45 89 e7 41 89 dc 83 c8 80 88 85 14 ff ff ff 48 8b 
95 08 ff ff ff 41 0f b7 cc 41 0f b7 c4 <48> 03 0a 8b 95 04 ff ff ff 29 
c2 83 fa 31 0f 8e b6 01 00 00 0f
Aug  2 23:46:19 localhost kernel: [  211.636858] RIP 
[<ffffffffa03ac116>] lme_firmware_switch+0x526/0x800 [dvb_usb_lmedm04]
Aug  2 23:46:19 localhost kernel: [  211.637021]  RSP <ffff88030b097ae8>
Aug  2 23:46:19 localhost kernel: [  211.637089] CR2: 0000000000000008
Aug  2 23:46:19 localhost kernel: [  211.678968] ---[ end trace 
043f228f268ca25f ]---
Aug  2 23:46:19 localhost udevd[429]: worker [528] terminated by signal 
9 (Killed)
Aug  2 23:46:19 localhost udevd[429]: worker [528] failed while handling 
'/devices/pci0000:00/0000:00:12.2/usb1/1-2/1-2.2/1-2.2:1.0'
Aug  2 23:46:20 localhost sh[674]: abrt-dump-oops: Found oopses: 1
Aug  2 23:46:20 localhost sh[674]: abrt-dump-oops: Creating dump directories
Aug  2 23:46:20 localhost abrtd: Directory 
'oops-2012-08-02-23:46:20-1452-0' creation detected
Aug  2 23:46:20 localhost abrt-dump-oops: Reported 1 kernel oopses to Abrt
Aug  2 23:46:20 localhost abrtd: Can't open file 
'/var/spool/abrt/oops-2012-08-02-23:46:20-1452-0/uid': No such file or 
directory
Aug  2 23:46:20 localhost abrtd: Duplicate: UUID
Aug  2 23:46:20 localhost abrtd: DUP_OF_DIR: 
/var/spool/abrt/oops-2012-06-06-05:16:05-594-0
Aug  2 23:46:20 localhost abrtd: Problem directory is a duplicate of 
/var/spool/abrt/oops-2012-06-06-05:16:05-594-0
Aug  2 23:46:20 localhost abrtd: Deleting problem directory 
oops-2012-08-02-23:46:20-1452-0 (dup of oops-2012-06-06-05:16:05-594-0)
Aug  2 23:46:20 localhost abrtd: Can't open file

'/var/spool/abrt/oops-2012-06-06-05:16:05-594-0/uid': No such file or directory

regards
Antti

#2 lore raw

Re: [PATCH] [BUG] Re: dvb_usb_lmedm04 crash Kernel (rs2000)

Quoted 29 lines · Malcolm Priestley
Quoted 3 lines · Antti Palosaari

Moi Malcolm,
Any idea why this seems to crash Kernel just when device is plugged?

Hi Antti

Yes, there missing error handling when no firmware file found.

It seems that this is more of a problem with udev-182+.

However, so far udev-182 is only a problem on first ever plug.

Regards

Malcolm

Signed-off-by Malcolm Priestley <[email protected]>
---
 drivers/media/dvb/dvb-usb/lmedm04.c |    4 ++++
 1 file changed, 4 insertions(+)
drivers/media/dvb/dvb-usb/lmedm04.c +0 -0
index 25d1031..26ba5bc 100644

drivers/media/dvb/dvb-usb/lmedm04.c static int lme_firmware_switch(struct usb_device *udev, int cold) · line 887

Quoted 10 lines
drivers/media/dvb/dvb-usb/lmedm04.c +4 -0
@@ -878,6 +878,10 @@ static int lme_firmware_switch(struct usb_device *udev, int cold)
 		fw_lme = fw_c_rs2000;
 		ret = request_firmware(&fw, fw_lme, &udev->dev);
 		dvb_usb_lme2510_firmware = TUNER_RS2000;
+		if (ret == 0)
+			break;
+		info("FRM No Firmware Found - please install");
+		cold_fw = 0;
 		break;
 	default:
 		fw_lme = fw_c_s7395;

Do we need fw blob anymore!?
http://www.spinics.net/lists/hotplug/msg05257.html
…
"Firmware is loaded natively by udev now, the external 'firmware' binary is no longer used."
…

Cheers,
poma

author Tested-by
#3 lore raw

Re: [PATCH] [BUG] Re: dvb_usb_lmedm04 crash Kernel (rs2000)

In reply to Malcolm Priestley
Quoted 8 lines · Malcolm Priestley
Quoted 3 lines · Antti Palosaari

Moi Malcolm,
Any idea why this seems to crash Kernel just when device is plugged?

Hi Antti

Yes, there missing error handling when no firmware file found.

Quoted 8 lines

It seems that this is more of a problem with udev-182+.

However, so far udev-182 is only a problem on first ever plug.

Regards

Malcolm

Aug  6 20:56:34 localhost kernel: [19094.248540] LME2510(C): Firmware Status: 6 (44)
Aug  6 20:56:34 localhost kernel: [19094.251541] LME2510(C): FRM No Firmware Found - please install
Aug  6 20:56:34 localhost kernel: [19094.251559] usbcore: registered new interface driver LME2510C_DVB-S

It is good to print needed fw name. I found it from the documentation, Documentation/dvb/lmedm04.txt.

Could you drop me that firmware privately as I don't wish to install Windows drivers in order to extract it.

Tested-by Antti Palosaari <[email protected]>
Quoted 11 lines
Signed-off-by Malcolm Priestley <[email protected]>
---
  drivers/media/dvb/dvb-usb/lmedm04.c |    4 ++++
  1 file changed, 4 insertions(+)
drivers/media/dvb/dvb-usb/lmedm04.c +0 -0
index 25d1031..26ba5bc 100644

drivers/media/dvb/dvb-usb/lmedm04.c static int lme_firmware_switch(struct usb_device *udev, int cold) · line 887

Quoted 10 lines
drivers/media/dvb/dvb-usb/lmedm04.c +4 -0
@@ -878,6 +878,10 @@ static int lme_firmware_switch(struct usb_device *udev, int cold)
  		fw_lme = fw_c_rs2000;
  		ret = request_firmware(&fw, fw_lme, &udev->dev);
  		dvb_usb_lme2510_firmware = TUNER_RS2000;
+		if (ret == 0)
+			break;
+		info("FRM No Firmware Found - please install");
+		cold_fw = 0;
  		break;
  	default:
  		fw_lme = fw_c_s7395;

regards
Antti

Signature · 1 line
http://palosaari.fi/
#4 lore raw

Re: [PATCH] [BUG] Re: dvb_usb_lmedm04 crash Kernel (rs2000)

Quoted 24 lines · Antti Palosaari
Quoted 8 lines · Malcolm Priestley
Quoted 3 lines · Antti Palosaari

Moi Malcolm,
Any idea why this seems to crash Kernel just when device is plugged?

Hi Antti

Yes, there missing error handling when no firmware file found.

Quoted 8 lines

It seems that this is more of a problem with udev-182+.

However, so far udev-182 is only a problem on first ever plug.

Regards

Malcolm

Aug  6 20:56:34 localhost kernel: [19094.248540] LME2510(C): Firmware 
Status: 6 (44)
Aug  6 20:56:34 localhost kernel: [19094.251541] LME2510(C): FRM No 
Firmware Found - please install
Aug  6 20:56:34 localhost kernel: [19094.251559] usbcore: registered new
Quoted 4 lines

interface driver LME2510C_DVB-S

It is good to print needed fw name. I found it from the documentation, Documentation/dvb/lmedm04.txt.

Hi Antti,

Yes, this is a good idea to print the firmware it finds and then selects.

Quoted 4 lines

Could you drop me that firmware privately as I don't wish to install Windows drivers in order to extract it.

It would be interesting to see if your firmware is newer, my two boxes are over a year old.

I as sure the firmware has a bug.

Regards

Malcolm

Quoted 31 lines
Tested-by Antti Palosaari <[email protected]>
Quoted 11 lines
Signed-off-by Malcolm Priestley <[email protected]>
---
  drivers/media/dvb/dvb-usb/lmedm04.c |    4 ++++
  1 file changed, 4 insertions(+)
drivers/media/dvb/dvb-usb/lmedm04.c +0 -0
index 25d1031..26ba5bc 100644

drivers/media/dvb/dvb-usb/lmedm04.c static int lme_firmware_switch(struct usb_device *udev, int cold) · line 887

Quoted 10 lines
drivers/media/dvb/dvb-usb/lmedm04.c +4 -0
@@ -878,6 +878,10 @@ static int lme_firmware_switch(struct usb_device *udev, int cold)
  		fw_lme = fw_c_rs2000;
  		ret = request_firmware(&fw, fw_lme, &udev->dev);
  		dvb_usb_lme2510_firmware = TUNER_RS2000;
+		if (ret == 0)
+			break;
+		info("FRM No Firmware Found - please install");
+		cold_fw = 0;
  		break;
  	default:
  		fw_lme = fw_c_s7395;

regards
Antti