Hi Michael, Just a couple of basic things to check: - was the dtb updated to the newest? - is the qman node present? This should be easily visible in /proc/device-tree/soc@ffe000000/qman@318000. --- Best Regards, Laurentiu On 04/04/2017 08:03 AM, Michael Ellerman wrote: > Horia Geantă <horia.geanta@xxxxxxx> writes: > >> Add support to submit ablkcipher and authenc algorithms >> via the QI backend: >> -ablkcipher: >> cbc({aes,des,des3_ede}) >> ctr(aes), rfc3686(ctr(aes)) >> xts(aes) >> -authenc: >> authenc(hmac(md5),cbc({aes,des,des3_ede})) >> authenc(hmac(sha*),cbc({aes,des,des3_ede})) >> >> caam/qi being a new driver, let's wait some time to settle down without >> interfering with existing caam/jr driver. >> Accordingly, for now all caam/qi algorithms (caamalg_qi module) are >> marked to be of lower priority than caam/jr ones (caamalg module). >> >> Signed-off-by: Vakul Garg <vakul.garg@xxxxxxx> >> Signed-off-by: Alex Porosanu <alexandru.porosanu@xxxxxxx> >> Signed-off-by: Horia Geantă <horia.geanta@xxxxxxx> >> --- >> drivers/crypto/caam/Kconfig | 20 +- >> drivers/crypto/caam/Makefile | 1 + >> drivers/crypto/caam/caamalg.c | 9 +- >> drivers/crypto/caam/caamalg_desc.c | 77 +- >> drivers/crypto/caam/caamalg_desc.h | 15 +- >> drivers/crypto/caam/caamalg_qi.c | 2387 ++++++++++++++++++++++++++++++++++++ >> drivers/crypto/caam/sg_sw_qm.h | 108 ++ >> 7 files changed, 2601 insertions(+), 16 deletions(-) >> create mode 100644 drivers/crypto/caam/caamalg_qi.c >> create mode 100644 drivers/crypto/caam/sg_sw_qm.h > > > This appears to be blowing up my Freescale (NXP) P5020DS board: > > Unable to handle kernel paging request for data at address 0x00000020 > Faulting instruction address: 0xc0000000004393e4 > Oops: Kernel access of bad area, sig: 11 [#1] > SMP NR_CPUS=24 > CoreNet Generic > Modules linked in: > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.11.0-rc3-compiler_gcc-4.6.3-00046-gb189817cf789 #5 > task: c0000000f70c0000 task.stack: c0000000f70c8000 > NIP: c0000000004393e4 LR: c0000000004aeba0 CTR: c0000000004fa7d8 > REGS: c0000000f70cb160 TRAP: 0300 Not tainted (4.11.0-rc3-compiler_gcc-4.6.3-00046-gb189817cf789) > MSR: 0000000080029000 <CE,EE,ME> > CR: 24adbe48 XER: 20000000 > DEAR: 0000000000000020 ESR: 0000000000000000 SOFTE: 1 > GPR00: c0000000006feba0 c0000000f70cb3e0 c000000000e60000 0000000000000000 > GPR04: 0000000000000001 0000000000000000 c000000000e0b290 0000000000000003 > GPR08: 0000000000000004 c000000000ea5280 0000000000000004 0000000000000004 > GPR12: 0000000088adbe22 c00000003fff5000 c000000000ba3518 8000080088090fa8 > GPR16: 0000000000001000 c000000000ba3500 c0000000f72c68d8 0000000000000004 > GPR20: c000000000ea5280 c000000000ba34e8 0000000000000020 0000000000000004 > GPR24: c000000000eab7c0 0000000000000000 c0000000f7fc8818 c000000000eb0000 > GPR28: c0000000f786cc00 c000000000eab780 fffffffff786cc00 c000000000eab7c0 > NIP [c0000000004393e4] .gen_pool_alloc+0x0/0xc > LR [c0000000004aeba0] .qman_alloc_cgrid_range+0x24/0x54 > Call Trace: > [c0000000f70cb3e0] [c000000000504054] .platform_device_register_full+0x12c/0x150 (unreliable) > [c0000000f70cb460] [c0000000006feba0] .caam_qi_init+0x158/0x63c > [c0000000f70cb5f0] [c0000000006fc64c] .caam_probe+0x8b8/0x1830 > [c0000000f70cb740] [c000000000503288] .platform_drv_probe+0x60/0xac > [c0000000f70cb7c0] [c000000000501194] .driver_probe_device+0x248/0x344 > [c0000000f70cb870] [c0000000005013b4] .__driver_attach+0x124/0x128 > [c0000000f70cb900] [c0000000004fed90] .bus_for_each_dev+0x80/0xcc > [c0000000f70cb9a0] [c000000000500858] .driver_attach+0x24/0x38 > [c0000000f70cba10] [c00000000050043c] .bus_add_driver+0x14c/0x29c > [c0000000f70cbab0] [c000000000501d64] .driver_register+0x8c/0x154 > [c0000000f70cbb30] [c000000000503000] .__platform_driver_register+0x48/0x5c > [c0000000f70cbba0] [c000000000c7f798] .caam_driver_init+0x1c/0x30 > [c0000000f70cbc10] [c000000000001904] .do_one_initcall+0x60/0x1a8 > [c0000000f70cbcf0] [c000000000c35f30] .kernel_init_freeable+0x248/0x334 > [c0000000f70cbdb0] [c0000000000020fc] .kernel_init+0x1c/0xf20 > [c0000000f70cbe30] [c0000000000009bc] .ret_from_kernel_thread+0x58/0x9c > Instruction dump: > eb61ffd8 eb81ffe0 eba1ffe8 ebc1fff0 ebe1fff8 4e800020 38600000 4bffffb0 > 7ce53b78 4bffff0c 7f67db78 4bffff24 <e8a30020> e8c30028 4bfffd30 fbe1fff8 > ---[ end trace 9f61087068991b02 ]--- > > > home:linux-next(4)(I)> git bisect log > ... > git bisect bad b189817cf7894e03fd3700acd923221d3007259e > # first bad commit: [b189817cf7894e03fd3700acd923221d3007259e] crypto: caam/qi - add ablkcipher and authenc algorithms > > > The oops is saying gen_pool_alloc() was called with a NULL pointer, so > it seems qm_cgralloc is NULL: > > static int qman_alloc_range(struct gen_pool *p, u32 *result, u32 cnt) > { > unsigned long addr; > > addr = gen_pool_alloc(p, cnt); > ... > > int qman_alloc_cgrid_range(u32 *result, u32 count) > { > return qman_alloc_range(qm_cgralloc, result, count); > } > > > I didn't pull the thread any further than that. > > cheers >