From: Andrew Morton <akpm@linux-foundation.org>
To: linux-mmc@vger.kernel.org
Cc: bugzilla-daemon@bugzilla.kernel.org,
bugme-daemon@bugzilla.kernel.org, pioto@pioto.org
Subject: Re: [Bugme-new] [Bug 18602] New: mmc_block / tifm_sd not completely registering when a new sd card is inserted
Date: Wed, 15 Sep 2010 12:38:54 -0700 [thread overview]
Message-ID: <20100915123854.e36e432c.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-18602-10286@https.bugzilla.kernel.org/>
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Wed, 15 Sep 2010 13:48:30 GMT
bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=18602
>
> Summary: mmc_block / tifm_sd not completely registering when a
> new sd card is inserted
> Product: Drivers
> Version: 2.5
> Kernel Version: 2.6.35.4
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: MMC/SD
> AssignedTo: drivers_mmc-sd@kernel-bugs.osdl.org
> ReportedBy: pioto@pioto.org
> Regression: No
>
>
> After I insert an SD card once after booting, mount it, unmount it, then pop
> out the card, if I try to insert the card again, the /dev/mmcblk* devices do
> not show again. I have to unload the mmc_block and tifm_sd (and mmc_core)
> modules, then reload them, in order for the device node to apear again. I don't
> think this was always the case, but I can't remember the specific version that
> this problem first occurred.
>
> On the first insertion cycle, dmsg looks like this:
>
> [204702.558153] tifm_core: MMC/SD card detected in socket 0:1
> [204702.834915] mmc0: new SD card at address 4f9a
> [204702.878743] mmcblk0: mmc0:4f9a SD02G 1.83 GiB
> [204702.878802] mmcblk0: p1
> # ... do stuff with the card
> [204908.381864] tifm0 : demand removing card from socket 0:1
> [204908.381936] mmc0: card 4f9a removed
>
> # now, insert the card again
> [204913.581176] tifm_core: MMC/SD card detected in socket 0:1
> # and remove it again
> [204926.188570] tifm0 : demand removing card from socket 0:1
>
> lspci identifies my SD card reader as:
>
> 0f:06.3 SD Host controller: Texas Instruments PCIxx12 SDA Standard Compliant
> SD Host Controller
>
> Any advice would be appreciated. Thanks.
>
next parent reply other threads:[~2010-09-15 19:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-18602-10286@https.bugzilla.kernel.org/>
2010-09-15 19:38 ` Andrew Morton [this message]
2010-09-17 13:54 ` [Bugme-new] [Bug 18602] New: mmc_block / tifm_sd not completely registering when a new sd card is inserted Matt Fleming
2010-09-18 7:23 ` Alex Dubov
2010-09-18 9:01 ` Mike Kelly
2010-09-19 5:19 ` Alex Dubov
2010-09-19 14:56 ` Mike Kelly
2010-09-20 0:50 ` Alex Dubov
2010-09-21 3:25 ` Mike Kelly
2010-09-21 3:50 ` Alex Dubov
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