Re: [linux-usb-devel] how to detect SD card under linux
On Mon, 9 Jul 2007, jian tao wrote: Hi pals, I am a new guy of linux usb driver. I met a problem with detecting SD card under linux2.6.11. My developing board: MPC8349 EHCI host -- ISP1505 (usb PHY) ---USB2227 (SMSC Flash card Reader chip). When linux booting, i would success to detect usb2227 see below log. Then i plug in SD card, nothing could happen, it fail to find scsi device. I know there would be three kernel threads to polling current usb status. One is hub_thread to polling port status; one is usb_stor_control_thread to dealing with scsi cmd; another is usb_stor_scan_thread to scan scsi devie. Question1: when i plug SD card in USB2227 card reader, which thread would responsible such event? i guess it must be the usb_stor_scan_thread. No. None of the threads you listed is responsible. In practice the detection is done by HAL, a userspace daemon. Question2: The function sd_probe would be called when a new scsi device attached. What is the relationship between daemon process and this function? Which daemon process are you talking about? In general there is no connection between any daemons and sd_probe. Question3: What may the main cause of such issue? (suppose no hardware issue) Your question isn't clear. Are you asking why the kernel does not detect the SCSI device? But it _does_ detect the SCSI device, as you can see from your own log: LOG: Initializing USB Mass Storage driver... usb 1-1: new high speed USB device using fsl-usb2-mph and address 2 usb 1-1: Product: Flash Card Reader usb 1-1: Manufacturer: Generic usb 1-1: SerialNumber: 22272228 Begain run the storage_probe function USB Mass Storage device detected scsi1 : SCSI emulation for USB Mass Storage devices usbcore: registered new driver usb-storage USB Mass Storage support registered. . Vendor: Generic Model: Flash HS-CF Rev: 3.95 Type: Direct-Access ANSI SCSI revision: 00 Attached scsi removable disk sdb at scsi1, channel 0, id 0, lun 0 The last line shows that the kernel has detected a SCSI disk. Are you asking why the SD card wasn't detected when you put in in the reader? Probably because you weren't running HAL. Alan Stern - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
Re: [linux-usb-devel] how to detect SD card under linux
On Mon, 9 Jul 2007 10:52:05 -0400 (EDT), Alan Stern [EMAIL PROTECTED] wrote: Then i plug in SD card, nothing could happen, it fail to find scsi device. I know there would be three kernel threads to polling current usb status. One is hub_thread to polling port status; one is usb_stor_control_thread to dealing with scsi cmd; another is usb_stor_scan_thread to scan scsi devie. Question1: when i plug SD card in USB2227 card reader, which thread would responsible such event? i guess it must be the usb_stor_scan_thread. No. None of the threads you listed is responsible. In practice the detection is done by HAL, a userspace daemon. Actually, HAL is entirely optional. It provides the interfaces needed for the GUI. So, the events follow thus: - khubd polls hub status and knows the state change - khubd isses hotplug request (used to be an exec, netlink now) - udev listens and gets the add event with arguments including the alias string - udev runs modprobe with alias string - modprobe loads the driver; its context runs module init, which usually registers something and this walks pre-scanned buses and registers things (if ub); forks threads for usb-storage. - SCSI scans add SCSI buses then - There's one more round of add events, which add sd/sg/st in the same fashion Now you can run mount or dd. This is the point where HAL gets involved. It polls for new leaf devices (e.g. storage volumes, webcams, etc.), builds the tree with properties, and posts updates to D-bus where Nautilus/Tomboy/etc. can fetch them. Are you asking why the SD card wasn't detected when you put in in the reader? Probably because you weren't running HAL. That's right. Partitions are scanned when the whole device is open. HAL substitutes for that on a typical desktop. This is actually something that udev sort of broke. The kernel code would scan partitions for you even if you tried to open a slice. However, you cannot do it on dynamic /dev because udev hasn't created the slice nodes, and it won't do it until partitions are scanned. Embedded devices usually just run static /dev for that purpose. Heck, some even use ub with static /dev. The fewer threads, the better. -- Pete - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
Re: [linux-usb-devel] how to detect SD card under linux
On 7/9/07, Alan Stern [EMAIL PROTECTED] wrote: On Mon, 9 Jul 2007, jian tao wrote: Hi pals, I am a new guy of linux usb driver. I met a problem with detecting SD card under linux2.6.11. My developing board: MPC8349 EHCI host -- ISP1505 (usb PHY) ---USB2227 (SMSC Flash card Reader chip). When linux booting, i would success to detect usb2227 see below log. Then i plug in SD card, nothing could happen, it fail to find scsi device. I know there would be three kernel threads to polling current usb status. One is hub_thread to polling port status; one is usb_stor_control_thread to dealing with scsi cmd; another is usb_stor_scan_thread to scan scsi devie. Question1: when i plug SD card in USB2227 card reader, which thread would responsible such event? i guess it must be the usb_stor_scan_thread. No. None of the threads you listed is responsible. In practice the detection is done by HAL, a userspace daemon. Question2: The function sd_probe would be called when a new scsi device attached. What is the relationship between daemon process and this function? Which daemon process are you talking about? In general there is no connection between any daemons and sd_probe. Question3: What may the main cause of such issue? (suppose no hardware issue) Your question isn't clear. Are you asking why the kernel does not detect the SCSI device? But it _does_ detect the SCSI device, as you can see from your own log: LOG: Initializing USB Mass Storage driver... usb 1-1: new high speed USB device using fsl-usb2-mph and address 2 usb 1-1: Product: Flash Card Reader usb 1-1: Manufacturer: Generic usb 1-1: SerialNumber: 22272228 Begain run the storage_probe function USB Mass Storage device detected scsi1 : SCSI emulation for USB Mass Storage devices usbcore: registered new driver usb-storage USB Mass Storage support registered. . Vendor: Generic Model: Flash HS-CF Rev: 3.95 Type: Direct-Access ANSI SCSI revision: 00 Attached scsi removable disk sdb at scsi1, channel 0, id 0, lun 0 The last line shows that the kernel has detected a SCSI disk. Are you asking why the SD card wasn't detected when you put in in the reader? Probably because you weren't running HAL. Yes, the SD card wasn't detected even i plug SD card in reader first and then boot up linux kernel. From dmesg, it seems to me SD fail to reply host TEST_UNIT_READY command. Maybe it is the problem between USB2227 and SD card. You mentioned HAL (hardware abstract layer, right?), how can get more detail about it? usb-storage: *** thread awakened. usb-storage: Command TEST_UNIT_READY (6 bytes) usb-storage: 00 00 00 00 00 00 usb-storage: Bulk Command S 0x43425355 T 0x11 L 0 F 0 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x11 R 0 Stat 0x1 usb-storage: -- transport indicates command failure usb-storage: Issuing auto-REQUEST_SENSE usb-storage: Bulk Command S 0x43425355 T 0x8011 L 18 F 128 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: usb_stor_bulk_transfer_buf: xfer 18 bytes usb-storage: Status code 0; transferred 18/18 usb-storage: -- transfer complete usb-storage: Bulk data transfer result 0x0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x8011 R 0 Stat 0x0 usb-storage: -- Result from auto-sense is 0 usb-storage: -- code: 0x70, key: 0x2, ASC: 0x3a, ASCQ: 0x0 usb-storage: Not Ready: Medium not present usb-storage: scsi cmd done, result=0x2 usb-storage: *** thread sleeping. Paul - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
Re: [linux-usb-devel] how to detect SD card under linux
On Tue, 10 Jul 2007, jian tao wrote: Yes, the SD card wasn't detected even i plug SD card in reader first and then boot up linux kernel. From dmesg, it seems to me SD fail to reply host TEST_UNIT_READY command. Maybe it is the problem between USB2227 and SD card. Maybe. You mentioned HAL (hardware abstract layer, right?), how can get more detail about it? http://www.freedesktop.org/wiki/Software/hal usb-storage: *** thread awakened. usb-storage: Command TEST_UNIT_READY (6 bytes) usb-storage: 00 00 00 00 00 00 usb-storage: Bulk Command S 0x43425355 T 0x11 L 0 F 0 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x11 R 0 Stat 0x1 usb-storage: -- transport indicates command failure usb-storage: Issuing auto-REQUEST_SENSE usb-storage: Bulk Command S 0x43425355 T 0x8011 L 18 F 128 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: usb_stor_bulk_transfer_buf: xfer 18 bytes usb-storage: Status code 0; transferred 18/18 usb-storage: -- transfer complete usb-storage: Bulk data transfer result 0x0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x8011 R 0 Stat 0x0 usb-storage: -- Result from auto-sense is 0 usb-storage: -- code: 0x70, key: 0x2, ASC: 0x3a, ASCQ: 0x0 usb-storage: Not Ready: Medium not present usb-storage: scsi cmd done, result=0x2 usb-storage: *** thread sleeping. This log shows that LUN 0 has no media present. Probably your reader puts SD cards on a higher LUN. Make sure you have set CONFIG_SCSI_MULTI_LUN to Y. Alan Stern - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
Re: [linux-usb-devel] how to detect SD card under linux
On 7/10/07, Alan Stern [EMAIL PROTECTED] wrote: On Tue, 10 Jul 2007, jian tao wrote: Yes, the SD card wasn't detected even i plug SD card in reader first and then boot up linux kernel. From dmesg, it seems to me SD fail to reply host TEST_UNIT_READY command. Maybe it is the problem between USB2227 and SD card. Maybe. You mentioned HAL (hardware abstract layer, right?), how can get more detail about it? http://www.freedesktop.org/wiki/Software/hal usb-storage: *** thread awakened. usb-storage: Command TEST_UNIT_READY (6 bytes) usb-storage: 00 00 00 00 00 00 usb-storage: Bulk Command S 0x43425355 T 0x11 L 0 F 0 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x11 R 0 Stat 0x1 usb-storage: -- transport indicates command failure usb-storage: Issuing auto-REQUEST_SENSE usb-storage: Bulk Command S 0x43425355 T 0x8011 L 18 F 128 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: usb_stor_bulk_transfer_buf: xfer 18 bytes usb-storage: Status code 0; transferred 18/18 usb-storage: -- transfer complete usb-storage: Bulk data transfer result 0x0 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x8011 R 0 Stat 0x0 usb-storage: -- Result from auto-sense is 0 usb-storage: -- code: 0x70, key: 0x2, ASC: 0x3a, ASCQ: 0x0 usb-storage: Not Ready: Medium not present usb-storage: scsi cmd done, result=0x2 usb-storage: *** thread sleeping. This log shows that LUN 0 has no media present. Probably your reader puts SD cards on a higher LUN. Make sure you have set CONFIG_SCSI_MULTI_LUN to Y. Thanks, the problem is solved. Paul - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
[linux-usb-devel] how to detect SD card under linux
Hi pals, I am a new guy of linux usb driver. I met a problem with detecting SD card under linux2.6.11. My developing board: MPC8349 EHCI host -- ISP1505 (usb PHY) ---USB2227 (SMSC Flash card Reader chip). When linux booting, i would success to detect usb2227 see below log. Then i plug in SD card, nothing could happen, it fail to find scsi device. I know there would be three kernel threads to polling current usb status. One is hub_thread to polling port status; one is usb_stor_control_thread to dealing with scsi cmd; another is usb_stor_scan_thread to scan scsi devie. Question1: when i plug SD card in USB2227 card reader, which thread would responsible such event? i guess it must be the usb_stor_scan_thread. Question2: The function sd_probe would be called when a new scsi device attached. What is the relationship between daemon process and this function? Question3: What may the main cause of such issue? (suppose no hardware issue) Thanks Paul.Tao LOG: Initializing USB Mass Storage driver... usb 1-1: new high speed USB device using fsl-usb2-mph and address 2 usb 1-1: Product: Flash Card Reader usb 1-1: Manufacturer: Generic usb 1-1: SerialNumber: 22272228 Begain run the storage_probe function USB Mass Storage device detected scsi1 : SCSI emulation for USB Mass Storage devices usbcore: registered new driver usb-storage USB Mass Storage support registered. . Vendor: Generic Model: Flash HS-CF Rev: 3.95 Type: Direct-Access ANSI SCSI revision: 00 Attached scsi removable disk sdb at scsi1, channel 0, id 0, lun 0 - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
