[systemd-bugs] [Bug 54623] New: journalctl don't follow logs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54623

             Bug #: 54623
           Summary: journalctl don't follow logs
    Classification: Unclassified
           Product: systemd
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: systemd-bugs at lists.freedesktop.org
        ReportedBy: public.avatar at gmail.com
         QAContact: systemd-bugs at lists.freedesktop.org


> journalctl -n 1  -fa
Logs begin at Thu, 23 Aug 2012 05:34:28 +0300.
Sep 07 10:06:36 CLU kernel: usb 3-1: usbfs: process 9305 (nfc-eventd) did not
claim interface 0 before use
Sep 07 10:07:03 CLU kernel: usb 3-1: reset full-speed USB device number 6 using
uhci_hcd
Sep 07 10:07:04 CLU kernel: usb 3-1: reset full-speed USB device number 6 using
uhci_hcd
Sep 07 10:07:04 CLU nfc-eventd[9305]: NFC reader: ACS / ACR122U PICC Interface
opened
Sep 07 10:07:04 CLU nfc-eventd[9305]: Found MIFARE Classic card:
Sep 07 10:07:04 CLU nfc-eventd[9305]: ATQA (SENS_RES): 00  04
Sep 07 10:07:04 CLU nfc-eventd[9305]: UID (NFCID1): 77  c6  80  43
Sep 07 10:07:04 CLU nfc-eventd[9305]: SAK (SEL_RES): 88
Sep 07 10:07:04 CLU nfc-eventd[9305]: Guessing size: seems to be a 1024-byte
card
Sep 07 10:07:06 CLU kernel: usb 3-1: usbfs: process 9305 (nfc-eventd) did not
claim interface 0 before use
Sep 07 10:07:07 CLU kernel: usb 3-1: reset full-speed USB device number 6 using
uhci_hcd
Sep 07 10:07:08 CLU kernel: usb 3-1: reset full-speed USB device number 6 using
uhci_hcd
Sep 07 10:07:10 CLU kernel: usb 3-1: usbfs: process 9305 (nfc-eventd) did not
claim interface 0 before use
Sep 07 10:07:11 CLU kernel: usb 3-1: reset full-speed USB device number 6 using
uhci_hcd


 > journalctl -n 20  -fa
Logs begin at Thu, 23 Aug 2012 05:34:28 +0300.
Sep 07 10:07:13 CLU nfc-eventd[9305]: Duplicate. Removing last
Sep 07 10:07:16 CLU kernel: usb 3-1: reset full-speed USB device number 6 using
uhci_hcd
Sep 07 10:07:16 CLU kernel: usb 3-1: reset full-speed USB device number 6 using
uhci_hcd
Sep 07 10:07:17 CLU nfc-eventd[9305]: NFC reader: ACS / ACR122U PICC Interface
opened
Sep 07 10:07:17 CLU nfc-eventd[9305]: Found MIFARE Classic card:


and so on

i.e. I pass -f option, jorunalctl follows some records, then do nothing

with strace i get something like that:
read(3, "\2\0\0\0\2\0\0\0\0\0\0\0 \0\0\0user-1000.journa"..., 4112) = 48
read(3, 0xbf8676bc, 4112)               = -1 EAGAIN (Resource temporarily
unavailable)

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