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Message-ID: <202410250541.6AcfkD5k-lkp@intel.com>
Date: Fri, 25 Oct 2024 06:07:52 +0800
From: kernel test robot <lkp@...el.com>
To: Dave Stevenson <dave.stevenson@...pberrypi.com>,
Maxime Ripard <mripard@...nel.org>,
Maíra Canal <mcanal@...lia.com>,
Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Javier Martinez Canillas <javierm@...hat.com>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
Dave Stevenson <dave.stevenson@...pberrypi.com>
Subject: Re: [PATCH 11/37] drm/vc4: hvs: Add support for BCM2712 HVS
Hi Dave,
kernel test robot noticed the following build errors:
[auto build test ERROR on 91e21479c81dd4e9e22a78d7446f92f6b96a7284]
url: https://github.com/intel-lab-lkp/linux/commits/Dave-Stevenson/drm-vc4-Limit-max_bpc-to-8-on-Pi0-3/20241024-005239
base: 91e21479c81dd4e9e22a78d7446f92f6b96a7284
patch link: https://lore.kernel.org/r/20241023-drm-vc4-2712-support-v1-11-1cc2d5594907%40raspberrypi.com
patch subject: [PATCH 11/37] drm/vc4: hvs: Add support for BCM2712 HVS
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20241025/202410250541.6AcfkD5k-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 5886454669c3c9026f7f27eab13509dd0241f2d6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241025/202410250541.6AcfkD5k-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410250541.6AcfkD5k-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/vc4/vc4_kms.c:17:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/gpu/drm/vc4/vc4_kms.c:17:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/gpu/drm/vc4/vc4_kms.c:17:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
693 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
701 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
709 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
718 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
727 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
736 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from drivers/gpu/drm/vc4/vc4_kms.c:17:
In file included from include/drm/drm_atomic.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:36:
In file included from include/linux/kgdb.h:19:
In file included from include/linux/kprobes.h:28:
In file included from include/linux/ftrace.h:13:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/gpu/drm/vc4/vc4_kms.c:357:3: warning: variable 'mux' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
357 | default:
| ^~~~~~~
drivers/gpu/drm/vc4/vc4_kms.c:364:20: note: uninitialized use occurs here
364 | VC4_SET_FIELD(mux, SCALER6_CONTROL_DSP1_TARGET));
| ^~~
drivers/gpu/drm/vc4/vc4_regs.h:16:36: note: expanded from macro 'VC4_SET_FIELD'
16 | WARN_ON(!FIELD_FIT(field##_MASK, value)); \
| ^~~~~
include/linux/bitfield.h:102:22: note: expanded from macro 'FIELD_FIT'
102 | !((((typeof(_mask))_val) << __bf_shf(_mask)) & ~(_mask)); \
| ^~~~
include/asm-generic/bug.h:123:25: note: expanded from macro 'WARN_ON'
123 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
drivers/gpu/drm/vc4/vc4_drv.h:668:10: note: expanded from macro 'HVS_WRITE'
668 | writel(val, hvs->regs + (offset)); \
| ^~~
drivers/gpu/drm/vc4/vc4_kms.c:337:20: note: initialize the variable 'mux' to silence this warning
337 | unsigned char mux;
| ^
| = '\0'
14 warnings generated.
--
In file included from drivers/gpu/drm/vc4/vc4_hvs.c:27:
In file included from include/drm/drm_atomic_helper.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/gpu/drm/vc4/vc4_hvs.c:27:
In file included from include/drm/drm_atomic_helper.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/gpu/drm/vc4/vc4_hvs.c:27:
In file included from include/drm/drm_atomic_helper.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:35:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
693 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
701 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
709 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
718 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
727 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
736 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from drivers/gpu/drm/vc4/vc4_hvs.c:27:
In file included from include/drm/drm_atomic_helper.h:31:
In file included from include/drm/drm_crtc.h:32:
In file included from include/drm/drm_modes.h:33:
In file included from include/drm/drm_connector.h:32:
In file included from include/drm/drm_util.h:36:
In file included from include/linux/kgdb.h:19:
In file included from include/linux/kprobes.h:28:
In file included from include/linux/ftrace.h:13:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:2213:
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/gpu/drm/vc4/vc4_hvs.c:1489:20: warning: variable 'base' is uninitialized when used here [-Wuninitialized]
1489 | VC4_SET_FIELD(base, SCALER6_DISPX_COB_BASE));
| ^~~~
drivers/gpu/drm/vc4/vc4_regs.h:16:36: note: expanded from macro 'VC4_SET_FIELD'
16 | WARN_ON(!FIELD_FIT(field##_MASK, value)); \
| ^~~~~
include/linux/bitfield.h:102:22: note: expanded from macro 'FIELD_FIT'
102 | !((((typeof(_mask))_val) << __bf_shf(_mask)) & ~(_mask)); \
| ^~~~
include/asm-generic/bug.h:123:25: note: expanded from macro 'WARN_ON'
123 | int __ret_warn_on = !!(condition); \
| ^~~~~~~~~
drivers/gpu/drm/vc4/vc4_drv.h:668:10: note: expanded from macro 'HVS_WRITE'
668 | writel(val, hvs->regs + (offset)); \
| ^~~
drivers/gpu/drm/vc4/vc4_hvs.c:1420:20: note: initialize the variable 'base' to silence this warning
1420 | u32 reg, top, base;
| ^
| = 0
>> drivers/gpu/drm/vc4/vc4_hvs.c:1489:6: error: call to '__compiletime_assert_756' declared with 'error' attribute: FIELD_PREP: value too large for the field
1489 | VC4_SET_FIELD(base, SCALER6_DISPX_COB_BASE));
| ^
drivers/gpu/drm/vc4/vc4_regs.h:17:3: note: expanded from macro 'VC4_SET_FIELD'
17 | FIELD_PREP(field##_MASK, value); \
| ^
include/linux/bitfield.h:115:3: note: expanded from macro 'FIELD_PREP'
115 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^
include/linux/bitfield.h:68:3: note: expanded from macro '__BF_FIELD_CHECK'
68 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
| ^
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:505:2: note: expanded from macro '_compiletime_assert'
505 | __compiletime_assert(condition, msg, prefix, suffix)
| ^
include/linux/compiler_types.h:498:4: note: expanded from macro '__compiletime_assert'
498 | prefix ## suffix(); \
| ^
<scratch space>:40:1: note: expanded from here
40 | __compiletime_assert_756
| ^
14 warnings and 1 error generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for GET_FREE_REGION
Depends on [n]: SPARSEMEM [=n]
Selected by [m]:
- RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]
vim +1489 drivers/gpu/drm/vc4/vc4_hvs.c
1416
1417 static int vc4_hvs_cob_init(struct vc4_hvs *hvs)
1418 {
1419 struct vc4_dev *vc4 = hvs->vc4;
1420 u32 reg, top, base;
1421
1422 /*
1423 * Recompute Composite Output Buffer (COB) allocations for the
1424 * displays
1425 */
1426 switch (vc4->gen) {
1427 case VC4_GEN_4:
1428 /* The COB is 20736 pixels, or just over 10 lines at 2048 wide.
1429 * The bottom 2048 pixels are full 32bpp RGBA (intended for the
1430 * TXP composing RGBA to memory), whilst the remainder are only
1431 * 24bpp RGB.
1432 *
1433 * Assign 3 lines to channels 1 & 2, and just over 4 lines to
1434 * channel 0.
1435 */
1436 #define VC4_COB_SIZE 20736
1437 #define VC4_COB_LINE_WIDTH 2048
1438 #define VC4_COB_NUM_LINES 3
1439 reg = 0;
1440 top = VC4_COB_LINE_WIDTH * VC4_COB_NUM_LINES;
1441 reg |= (top - 1) << 16;
1442 HVS_WRITE(SCALER_DISPBASE2, reg);
1443 reg = top;
1444 top += VC4_COB_LINE_WIDTH * VC4_COB_NUM_LINES;
1445 reg |= (top - 1) << 16;
1446 HVS_WRITE(SCALER_DISPBASE1, reg);
1447 reg = top;
1448 top = VC4_COB_SIZE;
1449 reg |= (top - 1) << 16;
1450 HVS_WRITE(SCALER_DISPBASE0, reg);
1451 break;
1452
1453 case VC4_GEN_5:
1454 /* The COB is 44416 pixels, or 10.8 lines at 4096 wide.
1455 * The bottom 4096 pixels are full RGBA (intended for the TXP
1456 * composing RGBA to memory), whilst the remainder are only
1457 * RGB. Addressing is always pixel wide.
1458 *
1459 * Assign 3 lines of 4096 to channels 1 & 2, and just over 4
1460 * lines. to channel 0.
1461 */
1462 #define VC5_COB_SIZE 44416
1463 #define VC5_COB_LINE_WIDTH 4096
1464 #define VC5_COB_NUM_LINES 3
1465 reg = 0;
1466 top = VC5_COB_LINE_WIDTH * VC5_COB_NUM_LINES;
1467 reg |= top << 16;
1468 HVS_WRITE(SCALER_DISPBASE2, reg);
1469 top += 16;
1470 reg = top;
1471 top += VC5_COB_LINE_WIDTH * VC5_COB_NUM_LINES;
1472 reg |= top << 16;
1473 HVS_WRITE(SCALER_DISPBASE1, reg);
1474 top += 16;
1475 reg = top;
1476 top = VC5_COB_SIZE;
1477 reg |= top << 16;
1478 HVS_WRITE(SCALER_DISPBASE0, reg);
1479 break;
1480
1481 case VC4_GEN_6_C:
1482 #define VC6_COB_LINE_WIDTH 3840
1483 #define VC6_COB_NUM_LINES 4
1484 reg = 0;
1485 top = 3840;
1486
1487 HVS_WRITE(SCALER6_DISP2_COB,
1488 VC4_SET_FIELD(top, SCALER6_DISPX_COB_TOP) |
> 1489 VC4_SET_FIELD(base, SCALER6_DISPX_COB_BASE));
1490
1491 base = top + 16;
1492 top += VC6_COB_LINE_WIDTH * VC6_COB_NUM_LINES;
1493
1494 HVS_WRITE(SCALER6_DISP1_COB,
1495 VC4_SET_FIELD(top, SCALER6_DISPX_COB_TOP) |
1496 VC4_SET_FIELD(base, SCALER6_DISPX_COB_BASE));
1497
1498 base = top + 16;
1499 top += VC6_COB_LINE_WIDTH * VC6_COB_NUM_LINES;
1500
1501 HVS_WRITE(SCALER6_DISP0_COB,
1502 VC4_SET_FIELD(top, SCALER6_DISPX_COB_TOP) |
1503 VC4_SET_FIELD(base, SCALER6_DISPX_COB_BASE));
1504 break;
1505
1506 default:
1507 return -EINVAL;
1508 }
1509
1510 return 0;
1511 }
1512
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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