On Fri, 12 Aug 2016, Ritesh Raj Sarraf wrote: > So I booted into Windows 8.1 and tried to access an SDCard over the Card Reader. > I was able to see the drive and read the content in it. > I did check for relevant messages in the Windows Event Log but couldn't find anything relevant. > > Then I tried the same under Linux and ran into some more descriptive errors. > Please note that these errors were seen while running on AC Power. > > I seem to be getting too many of these errors, too frequently, like every 10 seconds. > Please note that in this email's log, what you see is with a SDCard inserted into the reader, > whereas the last email's errors were without any SDCard. > > If you think this could be a bug, maybe this should be created as a bugzilla ? That wouldn't help. USB bugs are handled on the mailing list, not on Bugzilla. If you did create a Bugzilla report, you would simply be told to post it on the mailing list. > rrs@learner:~$ dmesg | grep _hcd > [ 2.156424] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > [ 2.179325] xhci_hcd 0000:00:14.0: xHCI Host Controller > [ 2.179334] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 > [ 2.180733] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0004b810 > [ 2.180747] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported > [ 2.186450] xhci_hcd 0000:00:14.0: xHCI Host Controller > [ 2.186456] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 > [ 2.201115] usb usb3: Manufacturer: Linux 4.7.0bfqv8r2+ ehci_hcd > [ 2.544358] usb 1-4: new high-speed USB device number 2 using xhci_hcd > [ 2.877726] usb 1-5: new full-speed USB device number 3 using xhci_hcd > [ 3.211084] usb 1-6: new high-speed USB device number 4 using xhci_hcd > [ 3.587708] usb 1-7: new full-speed USB device number 5 using xhci_hcd > [ 3.921093] usb 1-8: new full-speed USB device number 6 using xhci_hcd > [ 128.718593] xhci_hcd 0000:00:14.0: dev 4 ep1out scatterlist error -104/-110 > [ 265.894197] xhci_hcd 0000:00:14.0: dev 4 ep1out scatterlist error -104/-110 > [ 285.841249] xhci_hcd 0000:00:14.0: dev 4 ep1out scatterlist error -104/-110 > and the non-grepped output, that affects the block device and its file system. > > [ 365.286055] xhci_hcd 0000:00:14.0: dev 4 ep1out scatterlist error -104/-110 > [ 368.886974] mmcblk0: error -110 sending status command, retrying > [ 369.486748] mmcblk0: error -110 sending status command, retrying > [ 370.086769] mmcblk0: error -110 sending status command, aborting > [ 372.489237] JBD2: recovery failed > [ 372.489239] mmc0: card 0001 removed > [ 372.489246] EXT4-fs (mmcblk0p2): error loading journal > [ 373.919190] mmc0: new ultra high speed SDR50 SDHC card at address 0001 > [ 373.919447] mmcblk0: mmc0:0001 00000 7.44 GiB > [ 373.921308] mmcblk0: p1 p2 > [ 374.100604] FAT-fs (mmcblk0p1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! > [ 374.123828] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. > [ 385.206927] xhci_hcd 0000:00:14.0: dev 4 ep1out scatterlist error -104/-110 > [ 388.807534] mmcblk0: error -110 sending status command, retrying > [ 389.407732] mmcblk0: error -110 sending status command, retrying > [ 390.007416] mmcblk0: error -110 sending status command, aborting > [ 392.410267] mmc0: card 0001 removed > [ 392.410271] JBD2: recovery failed > [ 392.410275] EXT4-fs (mmcblk0p2): error loading journal > [ 393.718948] mmc0: new ultra high speed SDR50 SDHC card at address 0001 > [ 393.719200] mmcblk0: mmc0:0001 00000 7.44 GiB > [ 393.721232] mmcblk0: p1 p2 > [ 393.895994] FAT-fs (mmcblk0p1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! > [ 393.918883] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. > [ 404.994319] xhci_hcd 0000:00:14.0: dev 4 ep1out scatterlist error -104/-110 > [ 408.594951] mmcblk0: error -110 sending status command, retrying > [ 409.195091] mmcblk0: error -110 sending status command, retrying > [ 409.794964] mmcblk0: error -110 sending status command, aborting > [ 412.199751] mmc0: card 0001 removed > [ 412.199929] JBD2: recovery failed > [ 412.199936] EXT4-fs (mmcblk0p2): error loading journal > [ 413.627050] mmc0: new ultra high speed SDR50 SDHC card at address 0001 > [ 413.627337] mmcblk0: mmc0:0001 00000 7.44 GiB > [ 413.629286] mmcblk0: p1 p2 > [ 413.803223] FAT-fs (mmcblk0p1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! > [ 413.829698] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. These could indicate some sort of problem with the driver for the xHCI controller. However, I'm not an expert on xhci-hcd. Mathias is the maintainer for that driver. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
