-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hello Mathias, Can you please confirm of the erratic behavior we've discussed so far, on this thread ? It'd help to know if it really is a bug or something else. On Fri, 2016-08-12 at 11:48 -0400, Alan Stern wrote: > 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 > - -- Ritesh Raj Sarraf RESEARCHUT - http://www.researchut.com "Necessity is the mother of invention." -----BEGIN PGP SIGNATURE----- iQIcBAEBCgAGBQJXtccpAAoJEKY6WKPy4XVpyFgP/jk+xRk77eF+YwlbYN1ZMBej efSamu1DOmHbfSwY6Npup9MqJBJYm2insP4gnxmkqf2Crfb4OmWhiHtEYhchGUq1 SnwKt2BZ+f9tTzh+5ZFWgqepxwOxvNJ5jE1zXdpN5iXfvXanQ2wILAg/YdKrZFQR ZLz+452azrpNevGQ6e2jvWP/ZoYNl8CTSnsEbGzRF8qHuOhY8L+NbSX1oaqypR7v DRdv544vnev3gXhFJWwh33qZQg5IEIwURHcjy1MpU6JE31bqiup0zGxDuyZeuE/R Mot4zhA2VD30nzDTPHwqQsez7oK+PJdwa+WoH50qZmErHqiexpy3AB0f9sguXEZ4 fTraZGJkMQKFAbfP8/1MtpHfU2ymwajXoUi24eU0nSzdYnT7ZCtdmCrmEj+MlCyY QYcaITXcR67hD2ACXComZwVWIPS6Vyk8d8NuwpIKF3DMzy60YkZdfhxeQojbo44x 3/CKw7/b9hXBve3YEjG0nyzZlgou8WgDzFylNBpCBUJrcavDGO4kIYpEEQ+4abnb 9MqzfpE+36uuKMlmjczd1t4YTEB44ScjOMbZ7AIuPBbGi7i2bvFHiErk7NUOdToB sR2OUDa0h8s6tN9lFKFSsI6HqcdFd18Cz+Zame5jNCffxaPgZF3BbuYdoiyl3xNh DzgO4tuDNCoo+iOwbfTm =OrZ+ -----END PGP SIGNATURE----- -- 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