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Re: 4.14-rc2 on thinkpad x220: out of memory when inserting mmc card

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Hi!

> I inserted u-SD card, only to realize that it is not detected as it
> should be. And dmesg indeed reveals:

Tetsuo asked me to report this to linux-mm.

But 2^4 is 16 pages, IIRC that can't be expected to work reliably, and
thus this sounds like MMC bug, not mm bug.

> [10994.299846] mmc0: new high speed SDHC card at address 0003
> [10994.302196] kworker/2:1: page allocation failure: order:4,
> mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null)
> [10994.302212] CPU: 2 PID: 9500 Comm: kworker/2:1 Not tainted
> 4.14.0-rc2 #135
> [10994.302215] Hardware name: LENOVO 42872WU/42872WU, BIOS 8DET73WW
> (1.43 ) 10/12/2016
> [10994.302222] Workqueue: events_freezable mmc_rescan
> [10994.302227] Call Trace:
> [10994.302233]  dump_stack+0x4d/0x67
> [10994.302239]  warn_alloc+0xde/0x180
> [10994.302243]  __alloc_pages_nodemask+0xaa4/0xd30
> [10994.302249]  ? cache_alloc_refill+0xb73/0xc10
> [10994.302252]  cache_alloc_refill+0x101/0xc10
> [10994.302258]  ? mmc_init_request+0x2d/0xd0
> [10994.302262]  ? mmc_init_request+0x2d/0xd0
> [10994.302265]  __kmalloc+0xaf/0xe0
> [10994.302269]  mmc_init_request+0x2d/0xd0
> [10994.302273]  alloc_request_size+0x45/0x60
> [10994.302276]  ? free_request_size+0x30/0x30
> [10994.302280]  mempool_create_node+0xd7/0x130
> [10994.302283]  ? alloc_request_simple+0x20/0x20
> [10994.302287]  blk_init_rl+0xe8/0x110
> [10994.302290]  blk_init_allocated_queue+0x70/0x180
> [10994.302294]  mmc_init_queue+0xdd/0x370
> [10994.302297]  mmc_blk_alloc_req+0xf6/0x340
> [10994.302301]  mmc_blk_probe+0x18b/0x4e0
> [10994.302305]  mmc_bus_probe+0x12/0x20
> [10994.302309]  driver_probe_device+0x2f4/0x490
> 
> Order 4 allocations are not supposed to be reliable...
> 
> Any ideas?
> 
> Thanks,
> 									Pavel
> 



-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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4.14-rc2 on thinkpad x220: out of memory when inserting mmc card Pavel Machek <pavel@ucw.cz> - 2017-10-01 11:40 +0200
  Re: 4.14-rc2 on thinkpad x220: out of memory when inserting mmc card Pavel Machek <pavel@ucw.cz> - 2017-10-01 12:30 +0200
    Re: 4.14-rc2 on thinkpad x220: out of memory when inserting mmc card Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2017-10-01 13:00 +0200
      Re: 4.14-rc2 on thinkpad x220: out of memory when inserting mmc card Adrian Hunter <adrian.hunter@intel.com> - 2017-10-02 10:00 +0200
        Re: 4.14-rc2 on thinkpad x220: out of memory when inserting mmc card Pavel Machek <pavel@ucw.cz> - 2017-10-02 10:50 +0200
          Re: 4.14-rc2 on thinkpad x220: out of memory when inserting mmc card Linus Walleij <linus.walleij@linaro.org> - 2017-10-02 14:10 +0200
            Re: 4.14-rc2 on thinkpad x220: out of memory when inserting mmc card Pavel Machek <pavel@ucw.cz> - 2017-10-02 15:10 +0200

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