On Wed, Jan 07, 2015 at 03:16:18PM +1100, Stephen Rothwell wrote: > Hi all, > > Changes since 20150106: > > *crickets* > > Non-merge commits (relative to Linus' tree): 1350 > 1543 files changed, 41856 insertions(+), 24250 deletions(-) > With this kernel I get the following WARNINGs (lots of htem) when running microblaze images (both big and little endian) with qemu. WARNING: CPU: 0 PID: 1 at arch/microblaze/kernel/cpu/cache.c:432 __invalidate_dcache_range_msr_irq_wt+0xcc/0xd8() Modules linked in: CPU: 0 PID: 1 Comm: swapper Not tainted 3.19.0-rc3-next-20150107 #1 ... (sample) Call Trace: [<c0004080>] microblaze_unwind+0x5c/0x78 [<c0003d64>] show_stack+0xe0/0x164 [<c02e2224>] dump_stack+0x20/0x38 [<c000adbc>] warn_slowpath_common+0x90/0xec [<c000aea0>] warn_slowpath_null+0xc/0x24 [<c000493c>] __invalidate_dcache_range_msr_irq_wt+0xc0/0xd8 [<c00c59c4>] simple_write_begin+0xf8/0x170 [<c005d18c>] generic_perform_write+0xa8/0x2ac [<c005f1f8>] __generic_file_write_iter+0x1a8/0x478 [<c005f504>] generic_file_write_iter+0x3c/0x128 [<c009b0c4>] new_sync_write+0x84/0xcc [<c009ba88>] vfs_write+0xe8/0x224 [<c009c314>] SyS_write+0x4c/0xf4 [<c03d5200>] xwrite+0x48/0xb8 [<c03d52a0>] do_copy+0x30/0x1ac [<c03d47b4>] write_buffer+0x34/0x60 [<c03d4810>] flush_buffer+0x30/0xd0 [<c03e4c70>] gunzip+0x2c0/0x3ac [<c03d4c20>] unpack_to_rootfs+0x1b8/0x368 [<c03d56e8>] populate_rootfs+0x28/0x2d8 [<c000044c>] do_one_initcall+0xa0/0x24c [<c03d2d9c>] kernel_init_freeable+0x150/0x238 [<c02dedf0>] kernel_init+0x8/0x14c [<c0005d78>] ret_from_kernel_thread+0x8/0x20 Detailed logs are available at http://server.roeck-us.net:8010/builders. bisect results: # bad: [7e3619a6de57f0257a2f6480182d2287ee05e314] Add linux-next specific files for 20150107 # good: [b1940cd21c0f4abdce101253e860feff547291b0] Linux 3.19-rc3 git bisect start 'HEAD' 'v3.19-rc3' # bad: [c48667c5659248ff2b2fbff5cd23c43b5768e81b] Merge remote-tracking branch 'net-next/master' git bisect bad c48667c5659248ff2b2fbff5cd23c43b5768e81b # bad: [5aa2843082a0ce9b710549bdc7ae8d54140edc70] Merge remote-tracking branch 'pci/next' git bisect bad 5aa2843082a0ce9b710549bdc7ae8d54140edc70 # good: [11339e9e3d575c1486ff57dc49c83b6154918305] Merge remote-tracking branch 'samsung/for-next' git bisect good 11339e9e3d575c1486ff57dc49c83b6154918305 # bad: [50d16e144b253542d89830c0ace8573a67ce4b16] Merge remote-tracking branch 'powerpc-mpe/next' git bisect bad 50d16e144b253542d89830c0ace8573a67ce4b16 # good: [3fda5c0dda2eafe244898809a74831209cdb69b7] Merge remote-tracking branch 'cris/for-next' git bisect good 3fda5c0dda2eafe244898809a74831209cdb69b7 # bad: [8b772494fda25dd998ade5621cc0684a5c897179] Merge remote-tracking branch 'microblaze/next' git bisect bad 8b772494fda25dd998ade5621cc0684a5c897179 # bad: [cd2b00db005541d15ea9fbb474b5e5e98b993d8e] microblaze: Fix variable types to remove W=1 warning git bisect bad cd2b00db005541d15ea9fbb474b5e5e98b993d8e # good: [8543e6c96762fcc930af5725088c2b9e4865c3aa] microblaze: Use unsigned return type in do_syscall_trace_enter git bisect good 8543e6c96762fcc930af5725088c2b9e4865c3aa # good: [e76fdb324844cc0367f8c6ea5d13278a81568ccb] microblaze: Use unsigned type for "for" loop because of comparison-kgdb.c git bisect good e76fdb324844cc0367f8c6ea5d13278a81568ccb # bad: [b343c7d621bf801b502cba812c3dcb4320942b93] microblaze: Use unsigned type for limit comparison in cache.c git bisect bad b343c7d621bf801b502cba812c3dcb4320942b93 # good: [bdb96e3cad21f5973c95f0e6687db4a57eff7c53] microblaze: Use unsigned type for proper comparison in cpuinfo*.c git bisect good bdb96e3cad21f5973c95f0e6687db4a57eff7c53 # first bad commit: [b343c7d621bf801b502cba812c3dcb4320942b93] microblaze: Use unsigned type for limit comparison in cache.c Reverting the offending commit fixes the problem. Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
