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failed to allocate UMP memory

william lin
Note: This was originally posted on 30th April 2013 at http://forums.arm.com

Hi everybody, I have a very strange issue on r3p0 or r3p1 driver.

When I use Firefox to do a web browsing. After that about 10~20 [size=2]min[/size]. My desktop will got black and I found some error in xorg.  [size=2]It always shows failed to [/size][font=Arial, sans-serif][size=2]allocate UMP memory. And the [/size][/font][font=Arial, sans-serif][size=2]5376[/size][/font][font=Arial, sans-serif][size=2]bytes size is not always fixed.[/size][/font]

-------------
[font=arial][font=Arial, sans-serif](EE) MALI(0): [maliModifyPixmapHeader:1344] failed to allocate UMP memory (5376[/font][font=Arial, sans-serif]bytes)[/font][/font]

[font=arial][font=Arial, sans-serif](EE) MALI(0): [maliPrepareAccess:1413] No mem_info on pixmap[/font][/font]

[font=arial] [/font]

[font=arial][font=Arial, sans-serif]Fatal server error:[/font][/font]

[font=arial][font=Arial, sans-serif]Driver failed PrepareAccess on a pinned pixmap.[/font][/font]

[font=arial][font=Arial, sans-serif]------------[/font][/font]

[font=arial][font=Arial, sans-serif] [/font][/font]

[font=arial][font=Arial, sans-serif][size=2]After trace, I found the ump.ko will allocate page fail when execute the "[/size][size=2]new_table = descriptor_table_alloc(nr_mappings_new);[/size][size=2]" in the "[/size][size=2]ump_descriptor_mapping_allocate_mapping()[/size][size=2]" in ump_kernel_descriptor_mapping.c[/size][/font][/font]

[font=arial][font=Arial, sans-serif][size=2]
[/size][/font][/font]

[font=arial][font=Arial, sans-serif][size=2]Dose anyone have met this issue or any suggestions? Thank you:)[/size][/font][/font]

Parents
  • Note: This was originally posted on 7th May 2013 at http://forums.arm.com

    Hi William,

    Would it be possible for you to give steps that reproduce the bug (e.g., what websites trigger it, how many tabs are opened)?. Also, can you test if the same behaviour exists if you use Chromium?.

    Best regards,
    Tu


    Hi everybody, I have a very strange issue on r3p0 or r3p1 driver.

    When I use Firefox to do a web browsing. After that about 10~20 min. My desktop will got black and I found some error in xorg.  It always shows failed to allocate UMP memory. And the 5376bytes size is not always fixed.

    -------------
    [font="Arial, sans-serif"](EE) MALI(0): [maliModifyPixmapHeader:1344] failed to allocate UMP memory (5376bytes)[/font]

    [font="Arial, sans-serif"](EE) MALI(0): [maliPrepareAccess:1413] No mem_info on pixmap[/font]



    [font="Arial, sans-serif"]Fatal server error:[/font]

    [font="Arial, sans-serif"]Driver failed PrepareAccess on a pinned pixmap.[/font]

    [font="Arial, sans-serif"]------------[/font]

    [font="Arial, sans-serif"] [/font]

    [font="Arial, sans-serif"]After trace, I found the ump.ko will allocate page fail when execute the "[font="Arial, sans-serif"]new_table = descriptor_table_alloc(nr_mappings_new);" in the "ump_descriptor_mapping_allocate_mapping()" in ump_kernel_descriptor_mapping.c[/font][/font]

    [font="Arial, sans-serif"] [/font]

    [font="Arial, sans-serif"]Dose anyone have met this issue or any suggestions? Thank you:)[/font]


Reply
  • Note: This was originally posted on 7th May 2013 at http://forums.arm.com

    Hi William,

    Would it be possible for you to give steps that reproduce the bug (e.g., what websites trigger it, how many tabs are opened)?. Also, can you test if the same behaviour exists if you use Chromium?.

    Best regards,
    Tu


    Hi everybody, I have a very strange issue on r3p0 or r3p1 driver.

    When I use Firefox to do a web browsing. After that about 10~20 min. My desktop will got black and I found some error in xorg.  It always shows failed to allocate UMP memory. And the 5376bytes size is not always fixed.

    -------------
    [font="Arial, sans-serif"](EE) MALI(0): [maliModifyPixmapHeader:1344] failed to allocate UMP memory (5376bytes)[/font]

    [font="Arial, sans-serif"](EE) MALI(0): [maliPrepareAccess:1413] No mem_info on pixmap[/font]



    [font="Arial, sans-serif"]Fatal server error:[/font]

    [font="Arial, sans-serif"]Driver failed PrepareAccess on a pinned pixmap.[/font]

    [font="Arial, sans-serif"]------------[/font]

    [font="Arial, sans-serif"] [/font]

    [font="Arial, sans-serif"]After trace, I found the ump.ko will allocate page fail when execute the "[font="Arial, sans-serif"]new_table = descriptor_table_alloc(nr_mappings_new);" in the "ump_descriptor_mapping_allocate_mapping()" in ump_kernel_descriptor_mapping.c[/font][/font]

    [font="Arial, sans-serif"] [/font]

    [font="Arial, sans-serif"]Dose anyone have met this issue or any suggestions? Thank you:)[/font]


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